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Date discovered:03/06/2011
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
File size:515.072 Bytes
MD5 checksum:681DBDCCF7F49114A41E84E0DF9B6E0A
VDF version:
IVDF version:

 General Method of propagation:
   • No own spreading routine

   •  Mcafee: W32/Ainslot.c
   •  Kaspersky: Trojan.Win32.Jorik.Shakblades.uw
   •  TrendMicro: WORM_JORIK.IW
   •  Avast: Win32:VB-ULE [Trj]
   •  Microsoft: Worm:Win32/Ainslot.A

Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows 7

Side effects:
   • Drops files
   • Lowers security settings

 Files It copies itself to the following locations:
   • %APPDATA%\zdsafnafo\ztzasuiasfkasfn.exe
   • %APPDATA%\zanscasaos.exe

The following files are created:

%TEMPDIR%\BQuAP.bat Further investigation pointed out that this file is malware, too.
– %APPDATA%\data.dat Contains parameters used by the malware.

 Miscellaneous Accesses internet resources:

 File details Programming language:
The malware program was written in MS Visual C++.

Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Andrei Ilie on Wednesday, July 27, 2011
Description updated by Andrei Ilie on Thursday, July 28, 2011

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