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PE_VIRUT.B
Overview

Malware type: File infector

Aliases: W32.Virut.A(Symantec), W32/Virut-T(Sophos), Virus.Win32.Virut.b(Kaspersky), W32/Virut.b(Avira), W32/Virut.5129(F-Prot), W32/Virut.b(McAfee)

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No

Overall risk rating:


Reported infections:

Damage potential:

Medium

Distribution potential:

Medium

Infection Channel 1 : Infects files


Description: 

This file infector spreads by infecting running processes that have EXE and SCR extension names. It checks whether the said target processes are in portable executable (PE) format. It then appends its code to infect target processes. Note that it avoids processes and files with certain strings in their file names.

It creates the event VT_3 to ensure its memory residency and so that only one instance of itself is running on the affected system's memory.

For additional information about this threat, see:
Solution
Technical Details

Description created: Aug. 16, 2006 7:56:48 PM GMT -0800

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