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Sophos Anti-Virus for Windows, version 7 user manual

1. causes Sophos Anti Virus to exclude everything from the Tools folder on the D drive and all subfolders You can specify a folder and filename and Sophos Anti Virus excludes any folder and filename that match For example logs log txt causes Sophos Anti Virus to exclude log txt in any folder called logs on any drive or share Wildcards The wildcard can be used only ina filename or extension It generally matches any single character However when used at the end of a filename or extension it matches any single character or no characters For example file txt matches file txt filel txt and file12 txt but not file123 txt The wildcard can be used only in a filename or extension in the form filename or extension For example file txt file txt and file txt are invalid Multiple filename extensions Filenames with multiple extensions are treated as if the last extension is the extension and the rest are part of the filename For example filename extension1 extension2 means the filename is filename extension1 and the extension is extension2 Standard naming conventions The filename or path is validated against standard naming conventions e g a folder name may contain spaces but may not contain only spaces Changing when on access scanning occurs Caution Ifa management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to th
2. Details displays the subtype of the controlled application If a more link is displayed next to the subtype click it to see the list of other components that are part of the controlled application Available actions displays actions that you can perform on the item However there are no actions available for controlled applications apart from clearing the item from the list described below Dealing with the controlled applications To deal with the controlled applications use the buttons described below Select all Deselect all Sophos Anti Virus for Windows version 7 user manual 14 7 Click these buttons to select or deselect all the items This enables you to perform the same action on a group of items To select or deselect a particular item select the check box to the left of the item type Clear from list Click this to remove selected items from the list This does not delete the items from disk however Controlled applications must be authorized by the central console before you can use them Dealing with blocked devices in quarantine 1 Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 2 In the Quarantine manager page click the drop down arrow on the Show box and select Controlled applications Information about each item is shown in the columns Name displays the de
3. 49 side effects 52 single item scanning 14 slow computer 51 SMTP settings 25 SNMP messaging 27 Sophos Anti Virus system tray icon 6 9 48 49 Sophos Anti Virus window 5 spyware 35 39 starting on access scanning 9 Status 5 stopping on access scanning 9 support 54 suspending scanning 22 suspicious behavior 24 41 47 suspicious files 20 37 42 47 system tray icon 6 9 48 49 T technical support 54 threat partially detected 51 toolbar 5 turning protection on or off 9 U updating 30 32 34 48 user groups 15 46 52 user interface 5 user rights 15 46 52 V viruses 35 39 52 57
4. you must specify where it fetches updates from 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties for Sophos AutoUpdate dialog box click the Primary server tab and enter the details needed as described below Address Enter the address UNC network path or web address from which Sophos Anti Virus will usually fetch updates If you select Sophos Sophos Anti Virus will download updates directly from Sophos via the internet Note Your administrator can give you the address and account details you need User name If necessary enter the User name for the account that will be used to access the server and then enter and confirm the Password Note If the User name needs to be qualified to indicate the domain use the form domain username If you want to limit the bandwidth used click Advanced For information on the Advanced button seeLimiting the bandwidth used on page 34 If you access the internet via a proxy server click Apply and then Proxy Details For information on proxy details see Updating via a proxy server on page 33 Note that some internet service providers require web requests to be sent to a proxy server 31 Sophos Anti Virus for Windows version 7 user manual 12 4 12 5 32 Setting an alternative source for updates You can set an alternative source for updates If Sophos Anti V
5. and navigating between the pages in the right hand pane of the Sophos Anti Virus window Status This contains the status of on access scanning the number of items in Quarantine the last time Sophos Anti Virus was updated and the product version number Help and information This enables you to contact Sophos technical support and access help with Sophos Anti Virus and information on threats and controlled applications To see more detailed information about your version of Sophos Anti Virus and your computer click View product information Activity summary This appears when you run a scan and contains information about any items found Sophos Anti Virus for Windows version 7 user manual 2 2 Home page This is displayed in the right hand pane when you open the Sophos Anti Virus window It includes the task list and the Available scans list As you use the Sophos Anti Virus window the content of the right hand pane may change You can return to the home page by clicking the Home button The task list is displayed at the top of the home page It enables you to m scan your computer For information see Scanning my computer on page 10 m set up scans For information see Setting up a scan on page 11 E manage quarantine items For information see What is quarantine manager on page 39 E configure Sophos Anti Virus The Available scans list lists the scans that have been set up From here you can run edit or delete each
6. box to the left of the item type Clear from list Click this to remove selected items from the list if you are sure that they do not contain a virus or spyware This does not delete the items from disk however Perform action Click this to display a list of actions that you can perform on the selected items m Click Clean up to remove a virus or item of spyware from the selected items Cleanup of documents does not repair any side effects of the virus in the document Note To fully clean some viruses spyware consisting of several components from your computer or to clean up hidden files you will need to restart the computer If this is the case you will be given an option to restart your computer immediately or later The final cleanup steps will be performed after the computer is restarted m Click Delete to delete the selected items from your computer Use this function with care m Click Move to move the selected items to another folder The items are moved to the folder that was specified when cleanup was set up Moving an executable file reduces the likelihood of it being run Use this function with care Caution Sometimes if you delete or move an infected file your computer may stop working properly because it cannot find the file Also an infected file may only be part of a multiple infection in which case deleting or moving this particular file will not clean your computer from the infection In this case contact Sophos
7. run a full computer scan to determine all components of a multi component threat or to detect a threat in files that were previously hidden before Sophos Anti Virus can clean it from your computer 1 To scan all disk drives including boot sectors on the computer run the Scan my computer scan To find out how to do this refer to Scanning my computer on page 10 2 If the threat has still not been fully detected it may be because you have insufficient access rights or some drives or folders on the computer containing the threat s components are excluded from scanning Check the list of the items excluded from scanning To find out how to do this refer to Excluding items from scanning on page 18 If there are some items on the list remove them from the list and scan your computer again If you do not have sufficient rights to scan your entire computer contact your administrator Sophos Anti Virus may not be able to fully detect or remove threats with components installed on network drives For advice contact Sophos technical support For information about contacting technical support see Technical support on page 54 Sophos Anti Virus for Windows version 7 user manual 14 Managing quarantine items 14 1 14 2 What is Quarantine manager Quarantine manager enables you to deal with the items found by scanning that were not eliminated automatically during scanning Each item is here for one of the following reasons m
8. runtime behavior analysis to display the HIPS runtime behavior analysis dialog box 2 To enable or disable detection of suspicious behavior select or deselect Detect suspicious behavior respectively To enable or disable detection of buffer overflows select or deselect Detect buffer overflows respectively Note The buffer overflow detection feature is not available for Windows Vista and 64 bit versions of Windows These operating systems are protected against buffer overflows by Microsoft s Data Execution Prevention DEP feature 3 If this is a new installation of Sophos Anti Virus on this computer by default suspicious behavior and buffer overflows are detected but not blocked If this is an upgrade by default suspicious behavior and buffer overflows are not detected A Caution Sophos recommends that you run Sophos Anti Virus in detect only mode for a time and authorize the programs you need before enabling automatic blocking of suspicious behavior and buffer overflows This approach avoids blocking programs that your users may need To enable blocking of suspicious behavior and buffer overflows as well as detection clear the Alert only check box Sophos Anti Virus for Windows version 7 user manual 10 Configuring alerts 10 1 Desktop messaging A Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help
9. scan and view a summary of what happened the last time the scan was run Sophos Anti Virus system tray icon The Sophos Anti Virus system tray icon is always displayed even ifthe Sophos Anti Virus window is closed If you move the mouse pointer over the icon the tool tip displays the last time Sophos Anti Virus was updated If you right click the icon a menu is displayed From here you can E update Sophos Anti Virus For information see Updating immediately on page 30 E configure updating For information see Setting up automatic updating on page 30 mM check the progress of an update E open the Sophos Anti Virus window Note You need to be a member of the SophosAdministrator group to configure updating The appearance of the icon changes depending on whether on access scanning is active whether Sophos Anti Virus is updating and whether Sophos Anti Virus updated successfully last time Icon appearance Explanation A blue shield means that on access scanning is active Sophos Anti Virus 3 updated successfully last time If a green stripe appears running over a blue shield this means that Sophos Anti Virus is updating On access scanning is active Sophos Anti Virus for Windows version 7 user manual 2 3 2 4 Icon appearance Explanation If a red circle with a white cross in it appears over a blue shield this means that updating has failed On access scanning is active A gray shield means tha
10. technical support to get assistance in dealing with the items For information about contacting technical support see Technical support on page 54 To configure what action you can perform refer to Configuring user rights for Quarantine manager on page 46 Sophos Anti Virus for Windows version 7 user manual 14 3 Dealing with suspicious behavior in quarantine Suspicious behavior is activity that appears to be malicious 1 Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 2 In the Quarantine manager page click the drop down arrow on the Show box and select Suspicious behavior Information about each item is shown in the columns Name displays the identity that Sophos Anti Virus has detected To learn more about the behavior click the identity and Sophos Anti Virus connects you to the analysis of the behavior on the Sophos website Details displays the name and location of the item Available actions displays actions that you can perform on the item If you have enabled blocking of suspicious behavior there is one action Authorize described below If you click the action the action is performed on the item following confirmation Dealing with the suspicious behavior To deal with the suspicious behavior use the buttons described below Select all Deselect all Click these b
11. the Sophos user group for a user you must do as follows Refer to your Windows documentation if necessary 1 Use Windows to move the user from one Sophos user group to another 2 When that user logs on to Windows again they should find that their access rights have changed accordingly 15 Sophos Anti Virus for Windows version 7 user manual 16 7 7 1 7 2 Changing settings for multiple users Changing settings for all computers To configure Sophos Anti Virus on workstations from a central location on the network refer to the management console help Changing settings for all users on the computer To configure Sophos Anti Virus for all users on the computer use the Configure menu From here you can configure the following On access scanning On demand extensions and exclusions Runtime behavior analysis Application control User rights for Quarantine manager List of authorized adware and PUAs and suspicious items Messaging Logging Updating You need to be a member of the SophosAdministrator group to change these settings Sophos Anti Virus for Windows version 7 user manual 8 8 1 Configuring scanning Opening the scan settings dialog box The scan settings for the three types of scanning are in three different dialog boxes To open the on access scan settings dialog box on the Configure menu click On access scanning To open the on demand scan settings dialog box in the home page of th
12. 1 45 buffer overflows 24 41 47 C central configuration 16 changing settings for all computers 16 changing settings for all users on the computer 16 checking protection ison 9 cleaning up 35 37 39 42 43 49 creatingascan 11 D desktop messaging 25 detection 24 device control 21 22 45 disabling scanning 22 disinfection 35 39 49 E editing a scan 12 email alerting 25 event logging 28 excluding items from scanning 18 extensive scanning scanning complete contents 23 F file types scanned 17 filename extensions scanned 17 fragment 49 50 full computer scan 38 G GUI 5 H Help and information 5 home page 5 icons items to scan 13 immediate updating 30 infected boot sector 52 information on cleanup 35 L log for a scan 29 log for this computer 29 logging updates 34 M Macintosh files 23 monitoring on access scanning 9 O on access scanning 7 9 on demand scanning 7 10 11 12 56 Sophos Anti Virus for Windows version 7 P partial detection 51 password error 53 primary server 31 protection 9 proxy server 33 PUAs 20 37 43 47 51 52 R recovering from side effects 52 right click scanning 8 14 rootkits 22 runtime behavior analysis 8 24 S scanning 10 14 17 20 22 23 scanning level scanning complete contents 23 scheduling ascan 11 53 scheduling updates 32 secondary server 32 security information 35 setting up a scan 11 shieldicon 6 9 48
13. 5 A progress dialog box is displayed and the Activity summary appears in the Sophos Anti Virus window If any threats or controlled applications are found click More and refer to Managing quarantine items To stop scanning click Stop scan Note The Scan my computer scan does not scan Macintosh files stored on Windows computers If you want Sophos Anti Virus to scan executable Macintosh files you must set up a custom on demand scan and enable scanning of Macintosh files for that scan For more information on custom on demand scans see Setting up a scan on page 11 For more information on scanning Macintosh files see Scanning Macintosh files on page 23 For information on setting up scheduling running and configuring a scan refer to the rest of this section and Configuring scanning Sophos Anti Virus for Windows version 7 user manual 4 3 4 4 Setting up a scan 1 On the File menu click New scan to display the scan setup page 2 In the Scan name text box type a name for the scan 3 In the Items to scan panel select the drives and folders you want to scan To do this select the check box to the left of each drive or folder To learn about the icons that appear in the check boxes refer to Representation of items to scan on page 13 Note Drives or folders that are unavailable because they are offline or have been deleted are displayed in a strikethrough font They are removed from the Items to scan panel if they
14. No cleanup options clean up delete move were chosen for the type of scan that found the item E Acleanup option was chosen for the type of scan that found the item but the option failed m The item is multiply infected and still contains additional threats m The threat has only been partially detected and a full computer scan is needed to fully detect it To find out how to do this refer to Running a full computer scan on page 38 m The item exhibits suspicious behavior m The item is a controlled application Note Adware PUAs and multi component infections detected during on access scanning are always listed in Quarantine manager Automatic cleanup of adware PUAs and multi component infections is not available for on access scanning A cleanup option may have failed because of insufficient access rights If you have greater rights you can use Quarantine manager to deal with the item s Threats that are detected during web page scanning are not listed in Quarantine manager because the threats are not downloaded to your computer Therefore there is no need to take any action Dealing with viruses spyware in quarantine Note Virus here is used to refer to any virus worm Trojan or other malicious software 1 Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 2 In the Quarantine m
15. SOPHOS Sophos Anti Virus for Windows version 7 user manual For Windows 2000 and later Document date August 2008 Contents 10 11 12 13 14 15 16 17 18 About Una al AAA o O A 3 Introduction to Sophos Anti Virus serieren inaina i a a a a 5 Checking the computer is protected sssssesessssssesesesssresesesteseresestsssseresestssenereststesenesestesesenesesteseneneseesese 9 Scanning items on demand iia 10 Scanning a Single afan 14 Restricting access GA A E E 15 Changing settings for multiple USers sssseeeesesssssresesesssresesessesereststessseresessesenenesteserenesteeesenenestesesenenens 16 Configuring CO Eso 17 Configuring runtime behavior analysis eessseesesceceseeceseecesseeeccsceecscecesseeeacseeacseeeseeeeaseceacseeesceeeases 24 Configuring alerts canibal e EE 25 Loi a ts naa deiiada iio 29 pd a 30 Gleaming UP a 35 Managing quarantine AAA lavataie anstaieusstatarasscratensecrenneaats 39 Authorizing Items fOr Usted 47 Troublesho0MM e A 48 Technical e e tate el 54 COP AAA A A iaa 55 Sophos Anti Virus for Windows version 7 user manual About Sophos Anti Virus P sophos anti virus Sophos Anti Virus is software that detects and deals with E threats see http www sophos com security viruses worms Trojans spyware suspicious files suspicious behavior adware PUAs potentially unwanted applications and rootkits E applications that are controlled as part of your company
16. To enable Sophos Anti Virus to display desktop messages when a threat is found do as follows This applies only to on access scanning 1 On the Configure menu click Messaging 2 In the Messaging dialog box click the Desktop messaging tab Set the options as described below Enable desktop messaging Select this to enable Sophos Anti Virus to display desktop messages when a threat is found Messages to send Select the events for which you want Sophos Anti Virus to display desktop messages User defined message In this text box you can type a message that will be added to the end of the standard message 10 2 Email alerting Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help 25 Sophos Anti Virus for Windows version 7 user manual To enable Sophos Anti Virus to send email alerts when a threat is found or an error occurs do as follows This applies to on access on demand and right click scanning 1 On the Configure menu click Messaging 2 In the Messaging dialog box click the Email alerting tab Set the options as described below Enable email alerting Select this to enable Sophos Anti Virus to send email alerts Messages to send Select the events for which you want Sophos Anti Virus to send email alerts Scanning errors include instances when Sophos Anti Virus is denied access to an item that it att
17. aling with adware and PUAs in quarantine on page 43 Any actions that Sophos Anti Virus takes against adware and PUAs are logged in the log for this computer or log for the on demand scan For information see Viewing the log for this computer on page 29 or Viewing the log for the on demand scan on page 29 To fully clean some adware and PUAs consisting of several components from your computer you will need to restart the computer If this is the case you will be given an option to restart your 37 Sophos Anti Virus for Windows version 7 user manual 13 6 38 computer immediately or later The final cleanup steps will be performed after the computer is restarted 1 Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 2 In the scan settings dialog box click the Cleanup tab 3 Select Automatically clean up adware PUAs to enable Sophos Anti Virus to remove all known components of adware and PUAs from the computer for all users Cleanup does not repair any changes the adware or PUA has already made Refer to Getting cleanup information on page 35 to find out how to view details on the Sophos website of the adware or PUA s side effects Note To learn how to clean your computer from adware and PUAs using Quarantine manager refer to Dealing with adware and PUAs in quarantine on page 43 Running a full computer scan You may need to
18. anager page click the drop down arrow on the Show box and select Virus spyware Information about each item is shown in the columns Name displays the identity that Sophos Anti Virus has detected To learn more about the virus spyware click the identity and Sophos Anti Virus connects you to the analysis of the virus spyware on the Sophos website Details displays the name and location of the item If the item is associated with a rootkit it is displayed as Hidden If a more link is displayed next to the filename this means that the item is infected with a multi component infection Click the link to see the list of other components 39 Sophos Anti Virus for Windows version 7 user manual 40 that are part of the infection If any of the components are associated with a rootkit the dialog box indicates that some components are hidden Available actions displays actions that you can perform on the item Unless the item is hidden there are three actions Clean up Delete and Move described below If you click one of the actions the action is performed on the item following confirmation Hidden files can only be cleaned up Dealing with the infected items To deal with the viruses spyware use the buttons described below Select all Deselect all Click these buttons to select or deselect all the items This enables you to perform the same action on a group of items To select or deselect a particular item select the check
19. anup information on page 35 to find out how to view details on the Sophos website of the virus s side effects E Sophos Anti Virus can make an infected file safe in ways other than cleanup You can select other actions that you want Sophos Anti Virus to take against infected files if you do not use automatic cleanup or if cleanup fails However A Caution You should use these options only if advised to by Sophos technical support Otherwise use Quarantine manager to clean your computer from viruses spyware found by Sophos Anti Virus For information about Quarantine manager see Dealing with adware PUAs in quarantine on page 43 Click Delete to dispose of the file Click Move to to move the file to another folder which you can select using Browse Moving an executable file reduces the likelihood of it being run You cannot automatically move a multi component infection Note To learn how to clean your computer from viruses spyware using Quarantine manager refer to Dealing with viruses spyware in quarantine on page 39 36 Sophos Anti Virus for Windows version 7 user manual 13 4 Setting up automatic cleanup of suspicious files A Caution Ifa management console is used to administer Sophos Anti Virus on workstations it 13 5 may override changes made here To avoid this refer to the console help When on access scanning is turned on or when you run an on demand or right click scan Sophos Anti Virus can automatically de
20. are deselected or if there is a change in the selection of their parent drive or folder s 4 To configure the scan further click Configure this scan Refer to Configuring scanning for more information 5 To schedule the scan click Schedule this scan Refer to Scheduling a scan on page 11 for more information Note You cannot manually run a scan that you have scheduled Scheduled scans are displayed in the Available scans list with a clock icon 6 Click Save to save the scan or Save and start to save and run the scan Scheduling a scan Note You need to be a member of the SophosAdministrator group to schedule a scan or to view and edit scheduled scans created by other users To schedule a scan that you are setting up or editing do as follows For information on setting up a scan see Setting up a scan on page 11 For information on editing a scan see Editing a scan on page 12 Note You cannot manually run a scan that you have scheduled Scheduled scans are displayed in the Available scans list with a clock icon 1 In the right hand pane of the Sophos Anti Virus window click Schedule this scan 2 In the Schedule scan dialog box select Enable schedule Select the day s on which the scan should run Add the time s by clicking Add If necessary remove or edit a time by selecting it and clicking Remove or Edit respectively 3 Type a user name and password Password cannot be blank The scheduled scan runs with t
21. atically do the following m clean up many infected items m make infected items safe in ways other than cleanup Note Automatic cleanup of multi component infections is not available for on access scanning To clean multi component infections from your computer use Quarantine manager For information about Quarantine manager see Dealing with adware PUAs in quarantine on page 43 Any actions that Sophos Anti Virus takes against infected items are logged in the log for this computer or log for the on demand scan For information see Viewing the log for this computer on page 29 or Viewing the log for the on demand scan on page 29 To fully clean some multi component infections from your computer you will need to restart the computer If this is the case you will be given an option to restart your computer immediately or later The final cleanup steps will be performed after the computer is restarted 1 Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 2 In the scan settings dialog box click the Cleanup tab Set the options as described below E Select Automatically clean up items that contain virus spyware to enable Sophos Anti Virus to disinfect floppy disk boot sectors documents programs and anything else that is selected for scanning Cleanup of documents does not repair any side effects of the virus in the document Refer to Getting cle
22. ation if necessary 53 Sophos Anti Virus for Windows version 7 user manual 17 Technical support For technical support visit http www sophos com support If you contact technical support provide as much information as possible including the following E Sophos software version number s E Operating system s and patch level s E The exact text of any error messages 54 Sophos Anti Virus for Windows version 7 user manual 18 Copyright Copyright 2004 2008 Sophos Group All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise unless you are either a valid licensee where the documentation can be reproduced in accordance with the licence terms or you otherwise have the prior permission in writing of the copyright owner Sophos and Sophos Anti Virus are registered trademarks of Sophos Plc and Sophos Group All other product and company names mentioned are trademarks or registered trademarks of their respective owners 55 Sophos Anti Virus for Windows version 7 Index A access rights 15 46 52 accessing disks 52 Activity summary 5 adware 20 37 43 47 51 52 all files scanning 17 analyses of threats 35 archive files 22 authorizing 41 42 43 47 automatic cleanup 35 37 automatic updating 30 Available scans 5 12 B bandwidth 34 blocked devices 2
23. canning 14 Sophos Anti Virus for Windows version 7 user manual 6 Restricting access rights 6 1 6 2 Types of user Sophos Anti Virus restricts access to certain parts of the software to certain types of user This security is based on the user groups that have been set up in Windows on this computer When Sophos Anti Virus is installed each user is assigned to one of the Sophos user groups depending on their Windows user group as follows m Members of the Windows Administrators group are assigned to the SophosAdministrator group E Members of the Windows Power Users group are assigned to the SophosPowerUser group m Members of the Windows Users group are assigned to the SophosUser group Any user who is not assigned to one of the Sophos user groups including Guest users can perform only E on access scanning E scans run from a right click menu Members of the SophosUser group can perform the above functions and m access the Sophos Anti Virus window E set up and run on demand scans E configure scans run from a right click menu E manage with limited privileges quarantined items Members of the SophosPowerUser group have the same rights as members of the SophosUser group with the addition of greater privileges in Quarantine manager and access to Authorization manager Members of the SophosAdministrator group can use or configure any part of Sophos Anti Virus Changing membership of Sophos user groups To change
24. ct Scan for Macintosh viruses This enables Sophos Anti Virus to scan executable Macintosh files 8 14 Scanning complete contents of files Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help To detect some viruses you must enable scanning of the complete contents of each file Caution Sophos does not recommend selecting this option except on the advice of Sophos technical support Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 In the scan settings dialog box click the Options tab In the Scanning level panel click Extensive When you have cleaned up the virus es click Normal 23 Sophos Anti Virus for Windows version 7 user manual 24 9 9 1 a Configuring runtime behavior analysis Detecting suspicious behavior and buffer overflows Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help Suspicious behavior is activity that appears to be malicious If you want to change the settings for detection of suspicious behavior and buffer overflows do as follows Note You need to be a member of the SophosAdministrator group to change these settings 1 On the Configure menu click HIPS
25. described below Enable event logging Select this to enable Sophos Anti Virus to send messages to the Windows event log Messages to send Select the events for which you want Sophos Anti Virus to send messages Scanning errors include instances when Sophos Anti Virus is denied access to an item that it attempts to scan Sophos Anti Virus does not send messages for threats that are detected by web page scanning because the threats are not downloaded to your computer Therefore there is no need to take any action Sophos Anti Virus for Windows version 7 user manual 11 11 1 11 2 11 3 Logging Viewing the log for this computer The log for this computer is a log of all scanning on the computer 1 In the home page of the Sophos Anti Virus window click Configure Sophos Anti Virus For information about the home page see Sophos Anti Virus window on page 5 2 In the Configure page click View log to display the log for the computer 3 From the log page you can copy the log to the clipboard or email or print the log To find specific text in the log click Find and enter the text you want to find Configuring the log for this computer The log for this computer is a log of all scanning on the computer It is stored in the following location C Documents and Settings All Users Application Data Sophos Sophos Anti Virus logs SAV txt 1 On the Configure menu click Logging 2 In the Configure logging for this comput
26. e You need to be a member of the SophosAdministrator group to turn protection on or off for a computer 1 On the Configure menu click On access scanning 2 In the On access scan settings for this computer dialog box click the Scanning tab To turn on access scanning on for the computer select Enable on access scanning for this computer and click OK The Sophos Anti Virus system tray icon turns blue To turn on access scanning off for the computer deselect Enable on access scanning for this computer and click OK The Sophos Anti Virus system tray icon turns gray In the Sophos Anti Virus window the Status menu is updated Note Sophos Anti Virus retains the settings you make here even after you restart the computer If you have turned on access scanning off it remains inactive until you turn it on again Note If you turn on access protection off you can still run on demand scans of your computer Sophos Anti Virus for Windows version 7 user manual 10 4 Scanning items on demand 4 1 4 2 What is an on demand scan An on demand scan is a scan of the computer or parts of the computer that you can run immediately or schedule to run at another time Scanning my computer To run a scan of all fixed disk drives including boot sectors on the computer do as follows In the home page of the Sophos Anti Virus window click Scan my computer For information about the home page see Sophos Anti Virus window on page
27. e Sophos Anti Virus window in the Available scans list select the scan you want to edit Click Edit In the scan setup page click Configure this scan For information about the home page see Sophos Anti Virus window on page 5 To open the right click scan settings dialog box on the Configure menu click Right click scanning Changing types of file scanned Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help 1 To change the settings for on access scanning on the Configure menu click On access scanning To change the settings for on demand scanning and right click scanning on the Configure menu click On demand extensions and exclusions 2 Click the Extensions tab Set the options as described below Scan all files Click this to enable scanning of all files regardless of the filename extension Allow me to control exactly what is scanned Click this to restrict scanning to only files with a particular filename extension specified in the extension list A Caution The extension list includes file types that Sophos recommends are scanned Be careful if you alter the list as explained below To add a filename extension to the list click Add You can use the wildcard to match any single character To remove a filename extension from the list select the extension and click Remove To change a filename extension
28. e SophosAdministrator group 2 On the Configure menu click Application control 3 Clear the Enable on access scanning check box All devices that were blocked by policy on the computer are now enabled Note m The next policy update deployed by the management console may override changes made here m Ifyou disable on access scanning for blocked devices scanning for controlled applications will be disabled at the same time For more information see Scanning for controlled applications on page 21 Scanning for rootkits Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help Scanning for rootkits is always performed when you run the Scan my computer scan if you are a member of the SophosAdministrator group However if you want to change the setting for another on demand scan that has been set up do as follows 1 Open the scan settings dialog box for the on demand scan that you want to configure Refer to Opening the scan settings dialog box on page 17 2 In the scan settings dialog box click the Options tab 3 Select or deselect Scan for suspicious files and rootkits as required Note If you disable scanning for rootkits scanning for suspicious files is disabled at the same time Scanning inside archive files Caution Scanning inside archive files makes scanning significantly slower and is generally not requir
29. e console help 19 Sophos Anti Virus for Windows version 7 user manual 20 You can specify whether Sophos Anti Virus scans files when they are opened when they are saved or when they are renamed 1 On the Configure menu click On access scanning 2 In the On access scan settings for this computer dialog box click the Scanning tab Set the options as described below To specify that files must be scanned when they are opened select On read This is the recommended option To specify that files must be scanned when they are saved select On write To specify that files must be scanned when they are renamed select On rename 8 5 Scanning for suspicious files Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help A suspicious file is a file that exhibits a combination of characteristics that are commonly but not exclusively found in viruses 1 Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 In the scan settings dialog box click the Options tab Select or deselect Scan for suspicious files as required Note If you disable scanning for suspicious files scanning for rootkits is disabled at the same time 8 6 Scanning for adware and PUAs Caution If a management console is used to administer So
30. ed Even if you do not select the option when you attempt to access a file extracted from the archive file the extracted file is scanned Sophos therefore does not recommend selecting this option Sophos Anti Virus for Windows version 7 user manual Whether you select this option or not files compressed with dynamic compression utilities PKLite LZEXE and Diet are scanned 1 A Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 In the scan settings dialog box click the Options tab Select Scan inside archive files To enable scanning inside only particular archive file types click Advanced In the Advanced scanning settings dialog box select the archive file types that you want Sophos Anti Virus to scan inside Caution The advanced settings are very specialized and you should use them only with advice from Sophos technical support 8 13 Scanning Macintosh files Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help You can enable Sophos Anti Virus to scan Macintosh files stored on Windows computers 1 Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 In the scan settings dialog box click the Options tab Sele
31. ed for scanning M The item and all sub items are selected for scanning M The item is partially selected the item is not selected but some sub items are selected for scanning x The item and all sub items are excluded from this particular scan M The item is partially excluded the item is selected but some sub items are excluded from this particular scan A The item and all sub items are excluded from all on demand scans because of an on demand exclusion that has been set up For information seeExcluding items from scanning on page 18 13 Sophos Anti Virus for Windows version 7 user manual 5 Scanning a single item 5 1 Scanning a single item You can scan a single item by performing a right click scan A right click scan is a scan of selected item s in Windows Explorer or on the desktop that you can run by right clicking the selection to display a menu and selecting Scan with Sophos Anti Virus 1 Open Windows Explorer To do this at the taskbar click Start Programs Accessories Windows Explorer 2 Select the file s folder s and or disk drives you want to scan 3 Right click the selection to display a menu and select Scan with Sophos Anti Virus A progress dialog box is displayed If any threats or controlled applications are found click More and refer to Managing quarantine items To stop scanning click Stop scan For information on configuring a scan refer to Configuring s
32. empts to scan Sophos Anti Virus does not send email alerts for threats that are detected by web page scanning because the threats are not downloaded to your computer Therefore there is no need to take any action Recipients Click Add or Remove to add or remove respectively email addresses to which email alerts should be sent Click Edit to change an email address you have added Configure SMTP Click this to change the settings for the SMTP server and the language of the email alerts Refer to the table below Configure SMTP settings SMTP server In the text box type the host name or IP address of the SMTP server Click Test to test that a connection to the SMTP server can be made This does not send a test email SMTP sender address In the text box type an email address to which bounces and non delivery reports can be sent SMTP reply to address As email alerts are sent from an unattended mailbox you can type in the text box an email address to which replies to email alerts can be sent Language Click the drop down arrow and select the language in which email alerts should be sent 26 Sophos Anti Virus for Windows version 7 user manual 10 3 A SNMP messaging Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help To enable Sophos Anti Virus to se
33. er dialog box set the options as described below Logging level To stop anything being logged click None To log summary information error messages and so on click Normal To log most information including files scanned major stages of a scan and so on click Verbose Log archiving To enable the log file to be archived monthly select Enable archiving The archive files are stored in the same folder as the log file Select the Number of archive files to store before the oldest one is deleted Select Compress log to reduce the size of the log file Viewing the log for an on demand scan The log for an on demand scan is a log of what happened the last time that the scan was run 1 Inthe home page of the Sophos Anti Virus window in the Available scans list select the scan for which you want to view the log Click Summary For information about the home page see Sophos Anti Virus window on page 5 2 In the summary dialog box click the link at the bottom 3 From the log window you can copy the log to the clipboard or email or print the log 29 Sophos Anti Virus for Windows version 7 user manual 12 12 1 12 2 30 Updating Updating immediately Note If you have installed Sophos Anti Virus as recommended in Sophos documentation updating occurs automatically If you want to update Sophos Anti Virus immediately you can do so 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Ri
34. ere is one 1 Right click the Sophos Anti Virus system tray icon to display a menu Select Configure updating 2 Click the Primary server tab Then click Proxy Details 3 In the Proxy details dialog box enter the proxy server address and port number and the account details For information on proxy details see Updating via a proxy server on page 33 Sophos Anti Virus for Windows version 7 user manual 16 1 4 Automatic updating is not correctly scheduled 16 1 5 16 2 16 3 1 Right click the Sophos Anti Virus system tray icon to display a menu Select Configure updating 2 Click the Schedule tab For information on the Schedule tab see Scheduling updates on page 32 If your computer is networked or if you update via a broadband internet connection select Enable automatic updates and enter the frequency of updating If you update via a dial up connection select Check for updates on dial up The source for updates is not being maintained Your company may have moved the directory on the network or on a web server from which you should update Alternatively they may not be maintaining the directory If you think this may be the case contact your network administrator System tray icon is grayed out If the Sophos Anti Virus system tray icon is grayed out the computer is not protected by on access scanning 3 To enable on access scanning for all users on the computer refer to Turning protection on or off fo
35. ght click the icon to display a menu and select Update now Note Alternatively double click the Sophos Anti Virus system tray icon Provided Sophos Anti Virus has been correctly configured it checks the usual source for new software and if necessary updates itself For information on configuring updating refer to the other pages in this section Setting up automatic updating If your computer is on a network or if your administrator installed Sophos Anti Virus for you Sophos Anti Virus should have been set to update itself automatically If automatic updating has not been set up follow the steps below For full information on the options at each step refer to the section describing that configuration page Note You need to be a member of the SophosAdministrator group to set up automatic updating 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties for Sophos AutoUpdate dialog box click the Primary server tab and set the source for updates For information see Setting a source for updates on page 31 Your administrator can give you the details you need to enter 4 Click the Schedule tab and schedule updates For information see Scheduling updates on page 32 Sophos Anti Virus for Windows version 7 user manual 12 3 Setting a source for updates If you want Sophos Anti Virus to update itself automatically
36. have been correctly entered Then click Apply and then Proxy Details 4 In the Proxy details dialog box select Access the server via a proxy Then enter the proxy server Address and Port number Enter a User name and Password that give access to the proxy server If the user name needs to be qualified to indicate the domain use the form domain username 33 Sophos Anti Virus for Windows version 7 user manual 12 7 12 8 34 Limiting the bandwidth used You can limit the bandwidth used for updating This prevents Sophos Anti Virus from using all your bandwidth when you need it for other purposes e g downloading your email 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties for Sophos AutoUpdate dialog box click the Primary server tab or the Secondary server tab as required Then click Advanced 4 In the Advanced settings dialog box select Limit amount of bandwidth used and use the slider control to specify the bandwidth in Kbits second If you specify more bandwidth than the computer has available Sophos Anti Virus uses all that is available Logging updates You can configure Sophos Anti Virus to record updating activity in a log file 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties f
37. he access rights of that user 11 Sophos Anti Virus for Windows version 7 user manual 12 4 5 4 6 Running a scan To run a scan that has been set up do as follows In the home page of the Sophos Anti Virus window in the Available scans list select the scan you want to run Click Start For information about the home page see Sophos Anti Virus window on page 5 Note You cannot manually run a scan that you have scheduled Scheduled scans are displayed in the Available scans list with a clock icon A progress dialog box is displayed and the Activity summary appears in the Sophos Anti Virus window If any threats or controlled applications are found click More and refer to Managing quarantine items To stop scanning click Stop scan For information on setting up scheduling and configuring a scan refer to the rest of this section and Configuring scanning Editing a scan To edit a scan that has been set up do as follows 1 In the home page of the Sophos Anti Virus window in the Available scans list select the scan you want to edit Click Edit to display the scan setup page For information about the home page see Sophos Anti Virus window on page 5 2 To rename the scan in the Scan name text box type a name for the scan 3 To change which items to scan in the Items to scan panel select or deselect the drives and folders you want to scan To do this select the check box to the left of each drive or fo
38. in the list select the extension and click Edit When you select Allow me to control exactly what is scanned Scan files with no extension is selected by default To disable scanning of files with no filename extension deselect Scan files with no extension 17 Sophos Anti Virus for Windows version 7 user manual 18 8 3 A Excluding items from scanning Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help Note The procedure described below applies to all on demand scans To exclude items from a particular on demand scan refer to Editing a scan on page 12 1 To change the settings for on access scanning on the Configure menu click On access scanning To change the settings for on demand scanning and right click scanning on the Configure menu click On demand extensions and exclusions 2 Click the Exclusions tab Set the options as described below Excluded item To specify items that should be excluded from scanning click Add In the Exclude item dialog box specify the type and name of the item to be excluded Refer to Specifying excluded items below To remove items from the list of excluded items click Remove To change items in the list of excluded items click Edit Specifying excluded items In the Exclude item dialog box select the Item type All remote files means all files not on this com
39. irus cannot contact its usual source it will attempt to update from this alternative source 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties for Sophos AutoUpdate dialog box click the Secondary server tab Then enter the details needed as described below Address Enter the Address UNC network path or web address from which Sophos Anti Virus will fetch updates if it cannot contact the usual source If you select Sophos Sophos Anti Virus will download updates directly from Sophos via the internet Note Your administrator can give you the address and account details you need User name If necessary enter the User name for the account that will be used to access the server and then enter and confirm the Password Note If the User name needs to be qualified to indicate the domain use the form domain username If you want to limit the bandwidth used click Advanced For information on the Advanced button seeLimiting the bandwidth used on page 34 If you access the internet via a proxy server click Apply and then Proxy Details For information on proxy details see Updating via a proxy server on page 33 Note that some internet service providers require web requests to be sent to a proxy server Scheduling updates You can specify when or how often Sophos Anti Virus updates itself Sophos Anti Virus for Wi
40. isplays the identity that Sophos Anti Virus has detected To learn more about the suspicious file click the identity and Sophos Anti Virus connects you to the analysis of the suspicious file on the Sophos website Details displays the name and location of the item If the item is associated with a rootkit it is displayed as Hidden Available actions displays actions that you can perform on the item Unless the item is hidden there are three actions Authorize Delete and Move described below If you click one of the actions the action is performed on the item following confirmation Hidden files can only be authorized Dealing with the suspicious files To deal with the suspicious files use the buttons described below Select all Deselect all Click these buttons to select or deselect all the items This enables you to perform the same action on a group of items To select or deselect a particular item select the check box to the left of the item type Clear from list Click this to remove selected items from the list if you trust them This does not delete the items from disk however Perform action Click this to display a list of actions that you can perform on the selected items m Click Authorize to authorize the selected items on the computer if you trust them This adds the items to the list of authorized suspicious items so that Sophos Anti Virus does not prevent them from being accessed m Click Delete to delete
41. lder To learn about the icons that appear in the check boxes refer to Representation of items to scan on page 13 Note Drives or folders that are unavailable because they are offline or have been deleted are displayed in a strikethrough font They are removed from the Items to scan panel if they are deselected or there is a change in the selection of their parent drive or folder s 4 To configure the scan further click Configure this scan Refer to Configuring scanning for more information 5 To schedule the scan click Schedule this scan Refer to Scheduling a scan on page 11 for more information Note You cannot manually run a scan that you have scheduled Scheduled scans are displayed in the Available scans list with a clock icon 6 Click Save to save the scan or Save and start to save and run the scan Sophos Anti Virus for Windows version 7 user manual 4 7 To delete a scan in the home page of the Sophos Anti Virus window in the Available scans list select the scan you want to delete Click Delete and then click Yes to confirm the deletion For information about the home page see Sophos Anti Virus window on page 5 Representation of items to scan In the Items to scan panel different icons are displayed in the check box next to each item drive or folder depending on which items will be scanned These icons are shown below with explanations Explanation O The item and all sub items are not select
42. lete or move suspicious files A suspicious file is a file that exhibits a combination of characteristics that are commonly but not exclusively found in viruses 1 Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 2 In the scan settings dialog box click the Cleanup tab In the Suspicious files panel set the options as described below A Caution You should use these options only if advised to by Sophos technical support Otherwise use Quarantine manager to clean your computer from viruses spyware found by Sophos Anti Virus For information about Quarantine manager see Dealing with suspicious files in quarantine on page 42 Click Delete to dispose of the file Click Move to to move the file to another folder which you can select using Browse Moving an executable file reduces the likelihood of it being run Note To learn how to clean your computer from suspicious files using Quarantine manager refer to Dealing with suspicious files in quarantine on page 42 Setting up automatic cleanup of adware and PUAs When you run an on demand or right click scan Sophos Anti Virus can automatically clean adware and PUAs from your computer Note Automatic cleanup of adware and PUAs is not available for on access scanning To clean unwanted adware and PUAs from your computer use Quarantine manager For information about Quarantine manager see De
43. n authorize it as follows 1 On the Configure menu click Authorization 2 In the Authorization manager dialog box click the Adware PUAs tab 3 Inthe Known adware PUAs list box select the adware or PUA you want to authorize and click Add The adware or PUA now appears in the Authorized adware PUAs list box If you want to prevent currently authorized adware and PUAs from running on your computer select them in the Authorized adware PUAs list and click Remove Note You can also authorize adware and PUAs in Quarantine manager For information on how to do this refer to Dealing with adware and PUAs in quarantine on page 43 Authorizing suspicious items for use Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help If you want to allow an item that Sophos Anti Virus has classified as suspicious you can authorize it as follows 1 On the Configure menu click Authorization 2 In the Authorization manager dialog box click the tab for the type of item that has been detected e g Buffer overflow 3 To authorize the item select it in the Known list and move it to the Authorized list Note You can also authorize suspicious items in Quarantine manager For information on how to do this refer to Dealing with suspicious files in quarantine on page 42 and Dealing with suspicious behavior in quarantine on page 41 If yo
44. nd SNMP messages when a threat is found or an error occurs do as follows This applies to on access on demand and right click scanning 1 On the Configure menu click Messaging 2 In the Messaging dialog box click the SNMP messaging tab Set the options as described below Enable SNMP messaging Select this to enable Sophos Anti Virus to send SNMP messages Messages to send Select the events for which you want Sophos Anti Virus to send SNMP messages Scanning errors include instances when Sophos Anti Virus is denied access to an item that it attempts to scan Sophos Anti Virus does not send SNMP messages for threats that are detected by web page scanning because the threats are not downloaded to your computer Therefore there is no need to take any action SNMP trap destination In the text box type the IP address or name of the computer to which alerts are sent SNMP community name In the text box type the SNMP community name Test Click this to send a test SNMP message to the SNMP trap destination you have specified 27 Sophos Anti Virus for Windows version 7 user manual 10 4 Event logging 28 To enable Sophos Anti Virus to add alerts to the Windows 2000 or later event log when a threat is found or an error occurs do as follows This applies to on access on demand and right click scanning 1 On the Configure menu click Messaging 2 In the Messaging dialog box click the Event log tab Set the options as
45. ndows version 7 user manual a 12 6 Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties for Sophos AutoUpdate dialog box click the Schedule tab Then enter the details as described below If you want Sophos Anti Virus to update itself at regular intervals select Enable automatic updates Then enter the frequency in minutes with which Sophos Anti Virus will check for updated software The default is 60 minutes Note If the updates are downloaded directly from Sophos you cannot update more frequently than every 60 minutes If you update via a dial up connection to the internet select Check for updates on dial up Sophos Anti Virus will attempt to update whenever you connect to the internet Updating via a proxy server If Sophos Anti Virus fetches updates via the internet you must enter details of any proxy server that you use to connect to the internet 1 Locate the Sophos Anti Virus icon in the system tray shown below 2 Right click the icon to display a menu and select Configure updating 3 In the Properties for Sophos AutoUpdate dialog box click the Primary server tab or the Secondary server tab as required Ensure that all details
46. nti Virus may not detect it as part of the adware or PUA In this case the file is not removed from your computer even after the adware or PUA that installed the file has been cleaned from the computer Adware or PUA is part of a program you need Sometimes an item of adware or PUA is part of a program that you intentionally installed and needs to be there for the program to run If you remove the adware or PUA the program may stop running on your computer What to do It is very important that you read the threat analysis on the Sophos website Refer to Getting cleanup information on page 35 to find out how to view details on the Sophos website of the adware or PUAS side effects To be able to recover your system and its settings to their previous state you should maintain regular backups of your system You should also make backup copies of the original executable files of the programs you want to use For more information or advice on recovering from adware and PUA side effects contact Sophos technical support For information about contacting technical support seeTechnical support on page 54 Password error reported If you are trying to schedule an on demand scan and an error message is displayed concerning the password make sure that m the password is correct for the account m the password is not blank To check that the password is correct check the properties of the account via Control Panel Refer to your Windows document
47. om the computer for all users To clean adware and PUAs from the computer you must be a member of both Windows Administrators and SophosAdministrator groups Note To fully clean some adware and PUAs consisting of several components from your computer or to clean up hidden files you will need to restart the computer If this is the case you will be given an option to restart your computer immediately or later The final cleanup steps will be performed after the computer is restarted To configure what actions you can perform refer to Configuring user rights for Quarantine manager on page 46 To see the list of known and authorized adware and PUAs click Configure authorization Dealing with controlled applications in quarantine A controlled application is a legitimate consumer application that can undermine productivity and network performance 1 Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 2 In the Quarantine manager page click the drop down arrow on the Show box and select Controlled applications Information about each item is shown in the columns Name displays the identity that Sophos Anti Virus has detected To learn more about the controlled application click the identity and Sophos Anti Virus connects you to the analysis of the controlled application on the Sophos website
48. ophos Anti Virus system tray icon on page 6 Sophos Anti Virus for Windows version 7 user manual Sophos Anti Virus can perform m On access scanning For information see What is on access scanning on page 7 m On demand scanning For information see What is an on demand scan on page 7 m Right click scanning For information see What is a right click scan on page 8 m Runtime behavior analysis For information see What is runtime behavior analysis on page 8 Sophos Anti Virus for Windows version 7 user manual 2 Introduction to Sophos Anti Virus 2 1 Sophos Anti Virus window To open the Sophos Anti Virus window right click the Sophos Anti Virus system tray icon to display a menu Select Open Sophos Anti Virus The components of the window are described below Sophos Anti Virus file Yew Configure Help Qu O veo A 2 A Scan my computer Manage quarantine items Y On access scanning Active D Y a Items in Quarantine 8 gt A 7 S y B Last updated 11 27 2006 12 20 Soy 0a Q T Product version 7 0 0 Configure Sophos Anti Virus Help and information amp Man Q Hel topics Vist Sophos website RD View securty information 8 Sophos technical support O View product information Activity summary R Scan my computer started by CASSISH Scan running Rems scanned 1 466 Items detected 8 Click here for more Toolbar This contains buttons for getting help
49. or Sophos AutoUpdate dialog box click the Logging tab Ensure that Log Sophos AutoUpdate activity is selected Then set other options as described below When you want to open the log click View Log File Maximum log size Specify a maximum size for the log in MB Log level You can select Normal or Verbose logging Verbose logging provides information on many more activities than usual so the log will grow faster Use this setting only when detailed logging is needed for troubleshooting Sophos Anti Virus for Windows version 7 user manual 13 13 1 13 2 13 3 Cleaning up What is cleanup Cleanup eliminates threats on your computer In particular it removes a virus from a file or boot sector moves or deletes a suspicious file or deletes an item of adware or PUA However it does not undo any actions the threat has already taken It is not available for threats that are detected by web page scanning because the threats are not downloaded to your computer Therefore there is no need to take any action Getting cleanup information When a threat is found on your computer it is very important that you check the threat analysis on the Sophos website for information on the threat and cleanup advice You can do this via E the desktop alert on access scanning E the scan progress dialog box on demand and right click scanning E Quarantine manager all scanning types Getting information via the desktop alert If on acces
50. outines that cause them to infect target files incorrectly An inactive portion of the virus possibly a substantial part may appear within the host file and this is detected by Sophos Anti Virus A corrupted virus cannot spread Sophos Anti Virus for Windows version 7 user manual 16 5 16 6 16 7 Database containing a virus or item of spyware When running a full scan Sophos Anti Virus may report that there is a virus spyware fragment in a database file If this is the case do not delete the database Contact Sophos technical support for advice For information about contacting technical support see Technical support on page 54 Threat partially detected If Sophos Anti Virus has partially detected a threat Trojan adware or PUA a full computer scan is required to determine all components of the threat 1 To scan all disk drives including boot sectors on the computer run the Scan my computer scan For information see Scanning my computer on page 10 2 If the threat has still not been fully detected 1t may be because you have insufficient access rights or some drives or folders on the computer containing the threats components are excluded from scanning For information see Excluding items from scanning on page 18 Check the list of the items excluded from scanning If there are some items on the list remove them from the list and scan your computer again Sophos Anti Virus may not be able to fully detect or remo
51. phos Anti Virus on workstations it may override changes made here To avoid this refer to the console help 1 Ze 3 Open the scan settings dialog box for the type of scanning that you want to configure Refer to Opening the scan settings dialog box on page 17 In the scan settings dialog box click the Options tab Select Scan for adware PUAs Caution The advanced settings are very specialized and you should use them only with advice from Sophos technical support Sophos Anti Virus for Windows version 7 user manual 8 7 8 8 8 9 Scanning for controlled applications A controlled application is a legitimate consumer application that can undermine productivity and network performance Scanning for controlled applications is enabled or disabled by a management console as part of an application control policy and is included as part of on demand scanning For information see What is an on demand scan on page 10 If scanning for controlled applications is enabled it might prevent you from uninstalling some applications If this is the case you can temporarily disable scanning for controlled applications on this computer For information see Disabling scanning for controlled applications on page 21 Disabling scanning for controlled applications 1 Log on to the computer as a member of the SophosAdministrator group 2 On the Configure menu click Application control 3 Clear the Enable on access scanning check bo
52. policy m devices that are blocked as part of your company policy on your computer or network In particular it can E scan your computer or network for threats and controlled applications m check if each file you access is a threat or controlled application m check if each web page you view contains a threat applies only to Internet Explorer version 6 or later alert you when it finds a threat controlled application or blocked device clean up infected items stop suspicious behavior prevent adware and PUAs from running on your computer clean adware and PUAs from your computer keep a log of its activity be updated to detect the latest threats Sophos Anti Virus can be installed on computers running Windows 2000 or later Sophos Anti Virus is integrated with a management console which enables network administrators to centrally manage Sophos Anti Virus on workstations Sophos Anti Virus is also integrated with the network security solution Cisco Network Admission Control NAC thus enabling network administrators to include the state of Sophos Anti Virus when validating host compliance with network admission policy For more information refer to the management console help and Sophos Anti Virus Cisco NAC integration guide Sophos Anti Virus can be used in two ways m via the Sophos Anti Virus window For information see Sophos Anti Virus window on page 5 E via the Sophos Anti Virus system tray icon For information see S
53. puter Unless you select All remote files specify the Item name by using the Browse button or typing in the text box Note If you work on a 64 bit platform the Browse button will not be visible in the Exclude item dialog Further details on specifying item names are given below m Filename You can specify only the name of a file and Sophos Anti Virus excludes all files with that name wherever they are located For example fred bmp causes Sophos Anti Virus to exclude all files called fred bmp wherever they are located E Full path You can specify the exact location and name of a file and Sophos Anti Virus excludes only that particular file The path can include the drive or the share For example C Miscellaneous fred bmp causes Sophos Anti Virus to exclude fred bmp in the Miscellaneous folder on the C drive Sophos Anti Virus for Windows version 7 user manual Serverl Users Fred Letter rtf causes Sophos Anti Virus to exclude Letter rtf in the Fred folder in the Users share on Server1 If you do not specify the drive or share Sophos Anti Virus matches the path at the root of any drive or share m Partial path You can specify a drive or share and Sophos Anti Virus excludes everything from that drive or share and below For example A causes Sophos Anti Virus to exclude everything on the A drive You can specify a folder and Sophos Anti Virus excludes everything from that folder and below For example D Tools
54. r computer again Removable medium is write protected If dealing with a removable medium e g floppy disk CD make sure that it is not write protected NTFS volume is write protected If dealing with files on an NTFS volume Windows 2000 or later make sure that it is not write protected Virus spyware fragment has been reported Sophos Anti Virus does not clean a virus spyware fragment because it has not found an exact virus spyware match Refer to Virus spyware fragment reported on page 50 Virus spyware fragment reported If a virus spyware fragment is reported update Sophos Anti Virus on the affected computer so that it has the latest virus identity files Then run a scan of the computer If virus spyware fragments are still reported contact Sophos technical support for advice For information about contacting technical support seeTechnical support on page 54 The report of a virus spyware fragment indicates that part of a file matches part of a virus or item of spyware There are three possible causes Variant of a known virus or item of spyware Many new viruses or items of spyware are based on existing ones so that code fragments typical of a known virus or item of spyware may appear as part of a new one If a virus spyware fragment is reported it is possible that Sophos Anti Virus has detected a new virus or item of spyware which could become active Corrupted virus Many viruses contain bugs in their replication r
55. r the computer on page 9 Threat not cleaned If Sophos Anti Virus has not cleaned a threat from your computer it may be because of the following Automatic cleanup is disabled If Sophos Anti Virus has not attempted cleanup check that automatic cleanup has been enabled To enable automatic cleanup refer to Cleaning up Automatic cleanup of adware and PUAs is not available for on access scanning Cleanup failed If Sophos Anti Virus could not clean a threat Cleanup failed it may be that it cannot clean that type of threat or you have insufficient access rights 49 Sophos Anti Virus for Windows version 7 user manual 16 4 50 Full computer scan is required You may need to run a full computer scan to determine all components of a multi component threat or to detect a threat in files that were previously hidden before Sophos Anti Virus can clean it from your computer 1 To scan all disk drives including boot sectors on the computer run the Scan my computer scan For information see Scanning my computer on page 10 2 If the threat has still not been fully detected it may be because you have insufficient access rights or some drives or folders on the computer containing the threat s components are excluded from scanning For information see Excluding items from scanning on page 18 Check the list of the items excluded from scanning If there are some items on the list remove them from the list and scan you
56. s scanning is enabled on your computer Sophos Anti Virus displays a desktop alert when a threat is found In the message box click the name of the threat that you want to find out about Sophos Anti Virus connects you to the analysis of the threat on the Sophos website Getting information via the scan progress dialog box For an on demand scan or a scan run from a right click menu in the log that is displayed in the scan progress dialog box or scan summary dialog box displayed after the scan has finished click the name of the threat that you want to find out about Sophos Anti Virus connects you to the analysis of the threat on the Sophos website Getting information via Quarantine manager Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 In the Name column click the name of the threat that you want to find out about Sophos Anti Virus connects you to the analysis of the threat on the Sophos website Setting up automatic cleanup of viruses spyware Caution Ifa management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help 35 Sophos Anti Virus for Windows version 7 user manual When on access scanning is turned on or when you run an on demand or right click scan Sophos Anti Virus can autom
57. s used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help By default Sophos Anti Virus prevents access to removable disks whose boot sectors are infected To allow access e g to copy files from a floppy disk infected with a boot sector virus do as follows 1 On the Configure menu click On access scanning 2 In the On access scan settings for this computer dialog box click the Scanning tab 3 Select Allow access to drives with infected boot sectors Caution When you have finished accessing the disk deselect the option Remove the disk from the computer so that it cannot try to re infect the computer on restart Unable to access areas of Sophos Anti Virus If you are unable to use or configure particular areas of Sophos Anti Virus it might be because access to these areas is restricted to particular types of user Refer to Restricting access rights Recovering from virus side effects Recovery from virus infection depends on how the virus infected the computer Virus side effects Some viruses leave you with no side effects to deal with others may have such extreme side effects that you have to restore a hard disk in order to recover Some viruses gradually make minor changes to data This type of corruption can be hard to detect What to do It is very important that you read the threat analysis on the Sophos website and check documents carefully af
58. t on access scanning is inactive Sophos Anti Virus updated successfully last time If a green stripe appears running over a gray shield this means that Sophos Anti Virus is updating On access scanning is inactive gag d ad If a red circle with a white cross in it appears over a gray shield this 3 means that updating has failed On access scanning is inactive To learn what to do if a red circle with a white cross in it appears over the system tray icon or if the icon is grayed out refer to System tray icon has a white cross on page 48 or System tray icon is grayed out on page 49 What is on access scanning On access scanning intercepts files as they are accessed and grants access to only those that do not pose a threat to your computer or are authorized for use For more information on scanning on access refer to Checking protection is on on page 9 and Configuring scanning What is an on demand scan An on demand scan is a scan of the computer or parts of the computer that you can run immediately or schedule to run at another time For more information on scanning on demand refer to Scanning items on demand and Configuring scanning Sophos Anti Virus for Windows version 7 user manual 2 5 2 6 What is a right click scan A right click scan is a scan of selected item s in Windows Explorer or on the desktop that you can run by right clicking the selection to display a menu and selecting Scan
59. t to the subtype this means that the item is a multi component item of adware or PUA Click the link to see the list of other components that are part of the adware or PUA If any of the components are associated with a rootkit the dialog box indicates that some components are hidden Available actions displays actions that you can perform on the item There are two actions Authorize and Clean up described below If you click one of the actions the action is performed on the item following confirmation Dealing with the adware and PUAs To deal with the adware and PUAs use the buttons described below Select all Deselect all Click these buttons to select or deselect all the items This enables you to perform the same action on a group of items To select or deselect a particular item select the check box to the left of the item type Clear from list Click this to remove selected items from the list if you trust them This does not delete the items from disk however 43 Sophos Anti Virus for Windows version 7 user manual 14 6 44 Perform action Click this to display a list of actions that you can perform on the selected items m Click Authorize to authorize the selected items on the computer if you trust them This adds the items to the list of authorized adware and PUAs so that Sophos Anti Virus does not prevent them from running on your computer m Click Clean up to remove all known components of selected items fr
60. ter cleanup Refer to Getting cleanup information on page 35 to find out how to view details on the Sophos website of the virus s side effects Sound backups are crucial If you did not have them before you were infected start keeping them in case of future infections Sometimes you can recover data from disks damaged by a virus Sophos can supply utilities for repairing the damage caused by some viruses Contact Sophos technical support for advice For information about contacting technical support seeTechnical support on page 54 Recovering from adware and PUA side effects Removing adware and PUAs may have some side effects that cannot be eliminated during cleanup Sophos Anti Virus for Windows version 7 user manual 16 12 Operating system has been modified Some items of adware and PUAs modify the Windows operating system for example change your internet connection settings Sophos Anti Virus cannot always restore all settings to the values they had before installation of the adware or PUA If for example an item of adware or PUA changed the browser home page then Sophos Anti Virus cannot know what the previous home page setting was Utilities not cleaned Some items of adware and PUAs can install utilities such as dll or ocx files on your computer If a utility is harmless that is it does not possess the qualities of adware and PUAs for example a language library and is not integral to the adware or PUA Sophos A
61. the selected items from your computer Use this function with care Sophos Anti Virus for Windows version 7 user manual 14 5 m Click Move to move the selected items to another folder The items are moved to the folder that was specified when cleanup was set up Moving an executable file reduces the likelihood of it being run Use this function with care Caution Sometimes if you delete or move an infected file your computer may stop working properly because it cannot find the file To configure what actions you can perform refer to Configuring user rights for Quarantine manager on page 46 To see the list of authorized suspicious files click Configure authorization Dealing with adware and PUAs in quarantine 1 Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 2 In the Quarantine manager page click the drop down arrow on the Show box and select Adware PUA Information about each item is shown in the columns Name displays the identity that Sophos Anti Virus has detected To learn more about the adware or PUA click the identity and Sophos Anti Virus connects you to the analysis of the adware or PUA on the Sophos website Details displays the subtype of the adware or PUA If the item is associated with a rootkit it is displayed as Hidden If a more link is displayed nex
62. u want to allow an item that Sophos Anti Virus has not yet classified as suspicious you can pre authorize it as follows 1 Click New entry 2 Browse to the item and select it to add it to the Authorized list 47 Sophos Anti Virus for Windows version 7 user manual 16 16 1 16 1 1 16 1 2 16 1 3 48 Troubleshooting System tray icon has a white cross Cause If a red circle with a white cross in it appears over the Sophos Anti Virus system tray icon updating has failed To find out more about an update failure look at the update log Right click the Sophos Anti Virus system tray icon to display a menu Select Configure updating Then click the Logging tab and click View Log File The sections below explain why updating may fail and how you can change the settings to correct the problem Note You need to be a member of the SophosAdministrator group to change the updating settings Sophos Anti Virus contacts the wrong source for updates 1 Right click the Sophos Anti Virus system tray icon to display a menu Select Configure updating 2 Click the Primary server tab For information on the Primary server tab see Setting a source for updates on page 31 Check that the address and account details are those supplied by your administrator Sophos Anti Virus cannot use your proxy server If your copy of Sophos Anti Virus updates itself via the internet you must ensure that it can use your proxy server if th
63. user types refer to Types of user on page 15 Remember that the rights you set here apply only to Quarantine manager The types of action are explained below Clean up sectors This refers to cleaning up floppy disk boot sectors Clean up files This refers to cleaning up documents and programs Cleanup of documents does not repair any changes the virus has made in the document Cleanup of programs should be used only as a temporary measure You should subsequently replace cleaned programs from the original disks or a clean backup Delete files This refers to disposal of infected files Move files This refers to moving infected files to another folder Moving an executable file reduces the likelihood of it being run Authorize This refers to authorizing suspicious items adware and PUAs in order to allow them to run on the computer It applies to Authorization manager and Quarantine manager Note To clean up adware and PUAs you must be a member of both Windows Administrators and SophosAdministrator groups Sophos Anti Virus for Windows version 7 user manual 15 15 1 d 15 2 Authorizing items for use Authorizing adware and PUAs for use Caution If a management console is used to administer Sophos Anti Virus on workstations it may override changes made here To avoid this refer to the console help If you want to run adware or an application that Sophos Anti Virus has classified as potentially unwanted you ca
64. uttons to select or deselect all the items This enables you to perform the same action on a group of items To select or deselect a particular item select the check box to the left of the item type Clear from list Click this to remove selected items from the list if you trust them This does not delete the items from disk however Perform action Click this to display a list of actions that you can perform on the selected items m Click Authorize to authorize the selected items on the computer if you trust them This adds the items to the list of authorized suspicious items so that Sophos Anti Virus does not prevent the behavior To configure what actions you can perform refer to Configuring user rights for Quarantine manager on page 46 To see the list of authorized suspicious behavior click Configure authorization 41 Sophos Anti Virus for Windows version 7 user manual 14 4 Dealing with suspicious files in quarantine 42 A suspicious file is a file that exhibits a combination of characteristics that are commonly but not exclusively found in viruses 1 Open Quarantine manager To do this in the home page of the Sophos Anti Virus window click Manage quarantine items For information about the home page see Sophos Anti Virus window on page 5 2 In the Quarantine manager page click the drop down arrow on the Show box and select Suspicious files Information about each item is shown in the columns Name d
65. ve threats with components installed on network drives For advice contact Sophos technical support For information about contacting technical support seeTechnical support on page 54 Adware or PUA disappeared from quarantine If an item of adware or PUA detected by Sophos Anti Virus disappeared from Quarantine manager without your taking action on it the adware or PUA might have been authorized or cleaned up from the management console or by another user Check the list of authorized adware and PUAs to see if it has been authorized To find out how to do this refer to Authorizing adware and PUAs for use on page 47 Computer becomes slow Ifyour computer has become very slow it may be that you have a PUA running on and monitoring your computer If you have on access scanning enabled you may also see many desktop alerts warning about a PUA To solve the problem do the following 1 Run the Scan my computer scan to detect all components of the PUA For information see Scanning my computer on page 10 Note If after the scan the PUA is partially detected refer to Threat partially detected on page 51 step 2 2 Clean the adware or PUA from your computer To find out how to do this refer to Dealing with adware and PUAs in quarantine on page 43 51 Sophos Anti Virus for Windows version 7 user manual 16 8 A 16 9 16 10 16 11 52 Unable to access disk with infected boot sector Caution Ifa management console i
66. vice that Sophos Anti Virus has detected To learn more about the device type click it and Sophos Anti Virus connects you to an analysis of the device type on the Sophos website Details displays the subtype of the device If a more link is displayed next to the subtype click it to see the list of other components that are part of the device Available actions displays actions that you can perform on the item However there are no actions available for blocked devices apart from clearing the item from the list described below Dealing with the blocked devices To deal with the blocked devices use the buttons described below Select all Deselect all Click these buttons to select or deselect all the items This enables you to perform the same action on a group of items To select or deselect a particular item select the check box to the left of the item type Clear from list Click this to remove selected items from the list Blocked devices must be authorized by the central console before you can use them 45 Sophos Anti Virus for Windows version 7 user manual 14 8 Configuring user rights for Quarantine manager 46 Note You need to be a member of the SophosAdministrator group to change these settings 1 On the Configure menu click User rights for Quarantine manager 2 In the Configure user rights for Quarantine manager dialog box select the levels of user that may perform each type of action For more information on
67. with Sophos Anti Virus For more information on right click scanning refer to Scanning a single item on page 14 and Configuring scanning What is runtime behavior analysis Runtime behavior analysis comprises suspicious behavior detection and buffer overflow detection Suspicious behavior detection is the dynamic analysis of all programs running on the computer to detect and block activity that appears to be malicious For more information on runtime behavior analysis refer to Detecting suspicious behavior and buffer overflows on page 24 Sophos Anti Virus for Windows version 7 user manual 3 3 1 Checking the computer is protected Checking protection is on The computer is protected by on access scanning On access scanning intercepts files as they are accessed and grants access to only those that do not pose a threat to your computer or are authorized for use When on access scanning is active a blue shield is displayed in the system tray When on access scanning is inactive the shield is gray Note The status of on access scanning is also indicated in the Sophos Anti Virus window under Status If your computer is on a network on access scanning has probably already been configured However if you want to change the settings refer to Configuring scanning Turning protection on or off for the computer Caution If you turn protection off Sophos Anti Virus does not scan files that you access for threats Not
68. x Note m The next policy update deployed by the management console may override changes made here m Ifyou disable on access scanning for controlled applications scanning for blocked devices will be disabled at the same time For more information see Scanning for blocked devices on page 21 Scanning for blocked devices A blocked device is a type of device which has not been authorised for use on your computer There are two types of device you can choose to block storage devices and wireless connections Storage devices m Floppy disk drives m CD DVD drives m Removable storage USB flash drives PC Card readers USB hard disk drives Wireless connections m Bluetooth interfaces m IrDA interfaces m Wi Fi 802 11 standard interfaces Scanning for blocked devices is enabled or disabled by a management console as part of an application control policy 21 Sophos Anti Virus for Windows version 7 user manual A Caution Scanning for blocked devices is not included as part of on demand scanning 8 10 8 11 8 12 22 If you are a Sophos Administrator and you want to connect a device to this computer for maintenance or troubleshooting for example to install software from a CD you can temporarily disable on access scanning for blocked devices For information see Disabling on access scanning for blocked devices on page 22 Disabling on access scanning for blocked devices 1 Log on to the computer as a member of th

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