Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Included in our products from | January 2008 (4.25) |
| Protection available since | 12 August 2006 15:26:06 (GMT) |
| Last updated | 13 November 2007 01:21:40 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please follow the instructions for disinfecting PE executables.
More Information
W32/Virut-A is a virus and IRC backdoor for the Windows platform.
When a file infected with W32/Virut-A is run, the virus will become resident in memory, and will attempt to infect any executable that is accessed by any process running on the system. W32/Virut-A will thus spread very quickly throughout the filesystem.
W32/Virut-A will also attempt to connect to an IRC channel and thus serves as a backdoor with which a remote attacker may compromise the system.
