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 - Tuesday, November 18, 2008

 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++.

Description inserted by Alexandru Dinu on Monday, November 24, 2008
Description updated by Alexandru Dinu on Monday, November 24, 2008

Back . . . .