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Date discovered:25/07/2007
Type:File infector
In the wild:No
Reported Infections:Low
Distribution Potential:Medium to high
Damage Potential:Medium to high
Engine version:

 General Method of propagation:
   • Infects files

   •  Symantec: W32.Kriz
   •  Mcafee: W32/Kriz.3689
   •  Kaspersky: Virus.Win32.Kriz.3689
   •  F-Secure: Win32.Kriz.A
   •  Bitdefender: Win32.Kriz.A
   •  Avast: Win32/Kriz
   •  Microsoft: Virus:Win32/Kriz.3689
   •  Panda: W32/Kriz.4029
   •  VirusBuster: Win32.Kriz.3689
   •  Norman: W32/Kriz.B

 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.


This memory-resistent infector remains active in memory.

Infection length:

- 3.689 Bytes

The following files are infected:

By file type:
   • *.exe

By exact path:
   • %SYSDIR%\Kernel32.dll

Description inserted by Razvan Olteanu on Thursday, February 24, 2011
Description updated by Razvan Olteanu on Friday, February 25, 2011

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