TR/BHO.rpn - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/BHO.rpn
Date discovered:	18/11/2008
Type:	Trojan
In the wild:	Yes
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	Yes
File size:	600.576 Bytes
MD5 checksum:	3e689fa211898a2ed05b6bdd8fa4f77c
VDF version:	7.01.00.56
IVDF version:	7.01.00.104 - Tue, 18 Nov 2008 17:08 (GMT+1)

General Method of propagation:
   • No own spreading routine

Platforms / OS:
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Downloads a file
   • Registry modification

Files It tries to download a file:

– The location is the following:
• http://searchersmart.com/**********
It is saved on the local hard drive under: %Tempdir%\tmp%four-digit random character string%.tmp

Registry It registers a browser helper object (BHO) by adding the following key:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   Browser Helper Objects\{6AAFDAF4-3E26-993C-6EDB-16EC4D9758BE}]
   • NoExplorer=dword:00000001

The following registry keys are added:

– [HKCR\CLSID\{6AAFDAF4-3E26-993C-6EDB-16EC4D9758BE}]
   • (Default)="searchersmart search enhancer"

– [HKCR\CLSID\{6AAFDAF4-3E26-993C-6EDB-16EC4D9758BE}\InProcServer32]
   • ThreadingModel="Apartment"
   • (Default)="%malware execution directory%\%malware dll%"

– [HKCR\CLSID\{9A27FCA9-C961-4249-7A2D-D9470543748C}]
   • (Default)="Search panel"

– [HKCR\CLSID\{9A27FCA9-C961-4249-7A2D-D9470543748C}\InProcServer32]
   • ThreadingModel="Apartment"
   • (Default)="%malware execution directory%\%malware dll%"

– [HKCU\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\
   {9A27FCA9-C961-4249-7A2D-D9470543748C}]

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

See a brief description here.

Description inserted by Alexandru Dinu on Mon, 24 Nov 2008 09:29 (GMT+1)
Description updated by Alexandru Dinu on Mon, 24 Nov 2008 10:31 (GMT+1)

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