Installation guide. OS/2 single user

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1 Installation guide OS/2 single user Document date: February 2007

2 Sophos Anti-Virus installation guide Contents About this guide 3 1 Installing Sophos Anti-Virus 4 2 Using Sophos Anti-Virus via the GUI 8 3 Using Sophos Anti-Virus via the CLI 15 4 Updating Sophos Anti-Virus 18 5 Removing Sophos Anti-Virus 21 Technical support 22 2

3 OS/2 single user About this guide This guide tells you how to install Sophos Anti-Virus on a single OS/2 computer scan the computer for viruses eliminate viruses update Sophos Anti-Virus remove Sophos Anti-Virus. You can find details of all other configuration options in the Sophos Anti-Virus OS/2 user manual. To install Sophos Anti-Virus on an OS/2 network refer to the Sophos Anti-Virus OS/2 computers on a network installation guide. Sophos documentation is published on the Sophos Anti-Virus Supplementary CD each month and at 3

Sophos Anti-Virus installation guide 1 Installing Sophos Anti-Virus To run Sophos Anti-Virus, your computer must be running OS/2 Warp 3 or later have at least 11 MB of hard disk space if all options

4 Sophos Anti-Virus installation guide 1 Installing Sophos Anti-Virus To run Sophos Anti-Virus, your computer must be running OS/2 Warp 3 or later have at least 11 MB of hard disk space if all options are active. This requirement can increase considerably if Sophos Anti-Virus is scanning complex archive files. To run InterCheck on-access scanning, your computer must be running OS/2 Warp 4 or later (uniprocessor). InterCheck also works with ecomstation (uniprocessor) from Serenity Sytems International. You must uninstall any other anti-virus software before installing Sophos Anti-Virus. The installation process includes the following steps: Install Sophos Anti-Virus (section 1.1). Add the latest virus identity files (IDEs) (section 1.2). 1.1 Install Sophos Anti-Virus 1. Insert the Sophos Anti-Virus Supplementary CD in the CD drive. 2. At a command prompt, enter F:\OS_2\INSTALL where F: is the CD drive. 3. In the Install dialog box, click OK. 4

5 OS/2 single user 4. The Install directories dialog box enables you to choose which components of Sophos Anti-Virus to install. Sophos Anti-Virus for OS/2 GUI Select this component if you would like to use and configure Sophos Anti-Virus via its graphical user interface. You will also be able to use Sophos Anti-Virus via the command line. Sophos Anti-Virus for OS/2 Command Line Select this component if you wish to use and configure Sophos Anti-Virus via the command line only. InterCheck On-Access Scanner for OS/2 You must select this if you want Sophos Anti-Virus to check files for viruses as they are accessed by the computer. Disk space Click this button to check how much space is available on local drives. Sophos Anti-Virus directory Enter the directory where Sophos Anti-Virus will be installed, e.g. C:\SAV. 5. Click Install. 5

Sophos Anti-Virus installation guide 6. When installation has finished, in the Installation and Maintenance dialog, click OK. Reboot the computer to start InterCheck.

6 Sophos Anti-Virus installation guide 6. When installation has finished, in the Installation and Maintenance dialog, click OK. Reboot the computer to start InterCheck. Now add the latest IDEs to the computer (section 1.2). 1.2 Add the latest virus identity files (IDEs) This section describes how to download IDEs from the Sophos website. A virus identity file (IDE) enables Sophos Anti-Virus to detect a specific virus. You need IDEs to protect your computer against viruses discovered since your version of Sophos Anti-Virus was compiled. Download IDEs as follows: 1. Go to the IDE download page of the Sophos website ( downloads/ide). 2. Download the compressed IDEs file for your version of Sophos Anti-Virus. 3. Extract the IDEs to C:\SAV\OS2SWEEP\ENG If you prefer, scroll down the IDE download page and download the IDEs one by one, to the location above. 4. If you installed InterCheck, restart it by running the following command. C: CD \SAV\OS2SWEEP\ENG RESTART This ensures that InterCheck uses the new IDEs. Help with downloading IDEs is available in the Sophos support knowledgebase ( 6

7 OS/2 single user If you need further help with downloading IDEs, please contact Sophos technical support. You have finished adding the latest IDEs. Installation of Sophos Anti-Virus is complete. Now go to section 2 to find out how to use Sophos Anti-Virus via the GUI, or section 3 to find out how to use Sophos Anti-Virus via the CLI. 7

Sophos Anti-Virus installation guide 2 Using Sophos Anti-Virus via the GUI The sections that follow assume you installed Sophos Anti-Virus with the GUI.

8 Sophos Anti-Virus installation guide 2 Using Sophos Anti-Virus via the GUI The sections that follow assume you installed Sophos Anti-Virus with the GUI. If you chose to install only the command-line version of Sophos Anti-Virus, go straight to section 3. This section explains how to open the Sophos Anti-Virus GUI (section 2.1) scan your computer for viruses now (section 2.2) schedule virus scanning (section 2.3) set up automatic virus disinfection (section 2.4). For more detailed information about using Sophos Anti-Virus via the GUI, refer to the Sophos Anti-Virus OS/2 user manual. 2.1 To open the Sophos Anti-Virus GUI 1. On the desktop, double-click the Sophos Anti-Virus for OS/2 icon. 2. In the Sophos Anti-Virus for OS/2 folder, double-click the Show Sophos Anti-Virus window icon. The Sophos Anti-Virus window is opened, displaying the Immediate tabbed page. 8

9 OS/2 single user 2.2 To scan your computer for viruses now This is also known as an on-demand virus scan, or on-demand scanning. 1. In the Sophos Anti-Virus window, by default the Path list contains one item: Local Hard Drives. This includes all hard drives and CD drives on your computer. 2. Click GO. When the scan is complete, the results are displayed in the on-screen log at the bottom of the window. 9

Sophos Anti-Virus installation guide 2.2.1 What happens if Sophos Anti-Virus finds a virus?

10 Sophos Anti-Virus installation guide What happens if Sophos Anti-Virus finds a virus? If Sophos Anti-Virus finds a virus, it displays a message box like this: You also see details in the on-screen log at the bottom of the Sophos Anti-Virus window. Double-click the name of the virus to view its analysis on the Sophos website. To find out how to set up Sophos Anti-Virus to disinfect files automatically, go to section 2.4. You have now completed an on-demand virus scan. To find out how to schedule a virus scan, go to section

11 OS/2 single user 2.3 To schedule a virus scan 1. In the Sophos Anti-Virus window, click the Scheduled tab. By default, there is a job named Default, which scans all local hard drives. 2. To add a new scheduled job, click Add. 3. In the Enter new job name dialog box, add a name and click OK. 11

Click the Time tab. Enter the time and the days of the week when the scan should occur, and click OK.

12 Sophos Anti-Virus installation guide 4. In the Job Configuration dialog box, click Add or Remove to select the files and drives you wish to scan. 5. Click the Time tab. Enter the time and the days of the week when the scan should occur, and click OK. You can use the other tabs to customise the scheduled scan. Refer to the Sophos Anti-Virus OS/2 user manual for more information. Go to section 2.4 to find out how to configure Sophos Anti-Virus to attempt to disinfect files. 12

disinfected. 1. In the Sophos Anti-Virus window, click Configuration. 2. In the Job configuration - Immediate dialog box, click the Action tab. 3.

13 OS/2 single user 2.4 To set up disinfection This section describes how to configure Sophos Anti-Virus to disinfect boot sectors, documents and programs automatically, and to delete or shred files that cannot be disinfected. 1. In the Sophos Anti-Virus window, click Configuration. 2. In the Job configuration - Immediate dialog box, click the Action tab. 3. To set up automatic disinfection of boot sectors and/or documents and programs, select Disinfect boot sectors and/or Disinfect documents and programs. To set up deletion or shredding of files, select Infected files, then click either the Delete or the Shred option. Sophos recommends that you select Request confirmation. If you choose to delete or shred files, Sophos Anti-Virus does not attempt to disinfect them first, even if you select disinfection as well. However, Sophos Anti-Virus does not delete or shred infected mailboxes. 13

14 Sophos Anti-Virus installation guide 4. Click OK. When you scan your computer for viruses, Sophos Anti-Virus will try to perform the action you have specified on any files it finds to be infected with a virus. If you selected Request confirmation in step 3, a dialog box is displayed. Click Yes to confirm Sophos Anti-Virus should carry out the requested actions on finding a virus. After the scan, the results are displayed in the on-screen log. Check the contents of any disinfected documents carefully, as the virus may have corrupted them. Delete any disinfected programs and replace them from backups, as the virus may have corrupted them. If you need further help, contact Sophos technical support. 14

15 OS/2 single user 3 Using Sophos Anti-Virus via the CLI This section explains how to scan your computer for viruses now (section 3.1) disinfect documents, boot sectors and programs (section 3.2) from the command line. For more detailed information about using Sophos Anti-Virus via the CLI, refer to the Sophos Anti-Virus OS/2 user manual. 3.1 To scan your computer for viruses now To scan the computer for viruses, enter OSWEEP This scans all local hard drives. To scan particular hard drives, use their letters. For example OSWEEP D: E: What happens if Sophos Anti-Virus finds a virus? If command-line Sophos Anti-Virus finds a virus, it displays a message like this: Sophos Anti-Virus Version 3.68, April 2003 Includes detection for viruses, trojans and worms Copyright (c) 1989,2003 Sophos Plc, System time 11:34:41, System date 02 May 2003 Quick Sweeping Press Esc to quit >>> Virus 'EICAR-AV-Test' found in file F:\EICAR.COM 39 files swept in 0 minutes and 2 seconds. For information on disinfection, see section

16 Sophos Anti-Virus installation guide 3.2 To disinfect from the command line To disinfect a document 1. Close down the application in which the document was created, and enter OSWEEP [FILE.DOC] -DI where [FILE.DOC] is the file name. 2. Check the document carefully after disinfection. The virus may have corrupted the contents To disinfect a boot sector on your hard disk This procedure assumes that A: is the floppy disk and E: is the CD. 1. If OS/2 is already running, shut it down. 2. Boot OS/2 from the OS/2 Utility disk set. The disks should include a CD driver and the following files: NLS.DLL, QUECALLS.DLL, and VIOCALLS.DLL. Follow the on-screen instructions. When booting is finished, the A: prompt appears. 3. Insert the Sophos Anti-Virus Supplementary CD. 4. At a command prompt, enter SET BEGINLIBPATH=A:\;E:\OS_2 This tells OS/2 where to find the files mentioned in step Enter E:\OS_2\OSWEEP -DI The computer is scanned for boot sector and file viruses. Sophos Anti-Virus disinfects infected boot sectors and some programs (see section 3.2.4). If this procedure fails to disinfect a virus on your computer, contact Sophos technical support To disinfect a boot sector on a floppy disk This procedure assumes that A: is the floppy disk and E: is the CD. 1. If OS/2 is already running, shut it down. 2. Boot OS/2 from the OS/2 Utility disk set. The disks should include a CD driver and the following files: NLS.DLL, QUECALLS.DLL, and VIOCALLS.DLL. Follow the on-screen instructions. When booting is finished, the A: prompt appears. 16

17 OS/2 single user 3. Insert the Sophos Anti-Virus Supplementary CD. 4. At a command prompt, enter SET BEGINLIBPATH=A:\;E:\OS_2 This tells OS/2 where to find the files mentioned in step Enter E:\OS_2\OSWEEP A: -DI -MU 6. When the computer prompts you, insert the floppy disks to be disinfected. Infected boot sectors and programs are disinfected. 7. When disinfection is complete, scan the whole computer for remaining infections. If this procedure fails to disinfect a virus on your floppy disk, contact Sophos technical support To disinfect a program 1. To disinfect an infected program, enter OSWEEP [PROG.EXE] -DI where [PROG.EXE] is the program name. 2. Scan the whole computer for remaining infections. 3. If the program cannot be disinfected, delete the program using OSWEEP [PROG.EXE] -REMOVEF 4. Even if you have not deleted the program, replace it from original installation disks, a clean computer, or sound backups. The virus may have corrupted it. 17

18 Sophos Anti-Virus installation guide 4 Updating Sophos Anti-Virus This section explains how to update Sophos Anti-Virus both when a new virus is discovered, and when you receive the monthly update CD. 4.1 To update Sophos Anti-Virus between monthly updates When a new virus is discovered, Sophos creates a virus identity file (IDE) that enables Sophos Anti-Virus to detect the new virus should it infect your computer. To keep your copy of Sophos Anti-Virus up to date, download new IDEs from the Sophos website as soon as they become available. Register at to receive an notification whenever a new IDE is made available. Go to section 1.2 for instructions on how to download IDEs. 4.2 To update Sophos Anti-Virus from the monthly update CD To update Sophos Anti-Virus, carry out the following steps: Update the Sophos Anti-Virus files (section 4.2.1). Download the latest compressed IDEs file (or individual IDEs if you prefer) from the Sophos website (section 1.2) Update the Sophos Anti-Virus files 1. Insert the Sophos Anti-Virus Supplementary CD in the CD drive. 2. At a command prompt, enter F:\OS_2\UPDATE where F: is the CD drive. 18

OS/2 single user 3. In the Update dialog box, ensure Update CONFIG.SYS is selected. Selecting Save a backup of the installed product saves the version of Sophos Anti-Virus currently installed.

Occasionally, UPDATE informs you that the computer must be rebooted to activate new features of InterCheck. You must reboot the computer as soon as convenient after it has updated.

19 OS/2 single user 3. In the Update dialog box, ensure Update CONFIG.SYS is selected. Selecting Save a backup of the installed product saves the version of Sophos Anti-Virus currently installed. A backup lets you restore the existing version if you stop the update or the update goes wrong. Click Update. 4. When the update is complete, in the Installation and Maintenance dialog box, click OK. Occasionally, UPDATE informs you that the computer must be rebooted to activate new features of InterCheck. You must reboot the computer as soon as convenient after it has updated. However, InterCheck still detects new viruses on the computer without rebooting. You have updated the Sophos Anti-Virus files. Now download the latest compressed IDEs file (or individual IDEs if you prefer) from the Sophos website (section 1.2). When you have done this, the monthly update of Sophos Anti-Virus is complete. 4.3 To restore a previous version of Sophos Anti-Virus To restore a previous version, update the installation from the Sophos Anti- Virus Supplementary CD for the version you require. All the files needed are copied from the source, regardless of their date and time. 19

20 Sophos Anti-Virus installation guide When you restore a previous version, the setup program deletes any IDEs already on the computer. Deleted IDEs cannot be restored. 20

21 OS/2 single user 5 Removing Sophos Anti-Virus You can remove Sophos Anti-Virus completely or only specific components. In each case, removing Sophos Anti-Virus involves running the setup program from the Sophos Anti-Virus Supplementary CD. 1. Insert the Sophos Anti-Virus Supplementary CD in the CD drive. 2. At a command prompt, enter F:\OS_2\SETUP -REMOVE where F: is the CD drive. 3. In the Delete dialog box, select the components you want to remove. Click Delete. 4. When removal is complete, in the Installation and Maintenance dialog box, click OK. 5. If you want to remove Sophos Anti-Virus completely, delete any directories or files that remain on the computer. If you made a default installation, delete the C:\SAV directory and any subdirectories and files. Components of Sophos Anti-Virus have been removed from the computer. 21

22 Sophos Anti-Virus installation guide Technical support For technical support, visit If you contact technical support, provide as much information as possible, including the following: Sophos software version number(s) operating system(s) and patch level(s) the exact text of any error messages. Copyright , 2007 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. 22

Sophos Anti-Virus standalone startup guide. For Windows and Mac OS X

Sophos Anti-Virus standalone startup guide For Windows and Mac OS X Document date: June 2007 Contents 1 What you need for installation...4 2 Installing Sophos Anti-Virus for Windows...5 3 Installing Sophos