Virus:W32/Virut.O
Date discovered:27/06/2007
Type:File infector
In the wild:No
Reported Infections:Low
Distribution Potential:Medium to high
Damage Potential:Medium to high
Static file:No
IVDF version:6.39.00.65 - Wednesday, June 27, 2007

 General Method of propagation:
   • Infects files


Aliases:
   •  Symantec: W32.Virut.B
   •  Kaspersky: Virus.Win32.Virut.n


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Infects files
   • Third party control

 File infection Infector type:

Appender - The virus main code is added at the end of the infected file.
– The last section of the file is modified to include the virus code.


Self Modification:

Polymorphic - The entire virus code changes from one infection to another. The virus contains a polymorphic engine.


Method:

This memory-resistent infector remains active in memory.


Ignores files that:

Contain any of the following strings in their name:
   • PSTO
   • WC32
   • WCUN
   • WINC


The following files are infected:

By file type:
   • *.exe
   • *.scr

 IRC  Server: p**********im.ircgalaxy.pl
Port: 65520
Channel: #virtu


– Furthermore it has the ability to perform actions such as:
    • Download file
    • Execute file

 Miscellaneous Mutex:
It creates the following Mutex:
   • VT_3

Description inserted by Razvan Olteanu on Monday, May 31, 2010
Description updated by Andrei Ivanes on Friday, June 4, 2010

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