TR/Click.Agent.AC - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Click.Agent.AC
Date discovered:	17/01/2005
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	Yes
File size:	90.112 Bytes
MD5 checksum:	807ec8a8b8e28b11258ff2782f1f91be
VDF version:	6.29.00.64 - Mon, 17 Jan 2005 10:28 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Kaspersky: Trojan-Clicker.Win32.Agent.ac
   • TrendMicro: TROJ_CLICKER.EQ
   • Bitdefender: Trojan.Clicker.Agent.GQ

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

Side effects:
   • Drops a file
   • Registry modification
   • Third party control

Files The following file is created:

– %SYSDIR%\ansi.cfg

Registry The values of the following registry key are removed:

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
   ShellServiceObjectDelayLoad
   • SystemChecÂwk
   • SystemChecÂwk1

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

– HKCR\CLSID\{54645654-2225-4455-44A1-9F4543D34546}\InProcServer32
   • (Default) = "%SYSDIR%\vbsys2.dll"

The following registry keys are added:

– HKCR\CLSID\{54645654-2225-4455-44A1-9F4543D34546}
   • (Default) = "System Check Application"

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\
   ShellServiceObjectDelayLoad
   • SystemCheck2 = "{54645654-2225-4455-44A1-9F4543D34546}"

Backdoor Contact server:
All of the following:
   • http://www7.logih.com/777/**********
   • http://540.filost.com/randomsites/**********

As a result remote control capability is provided.

Remote control capabilities:
    • Visit a website

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

See a brief description here.

Description inserted by Marius T. Nicolae on Tue, 12 Sep 2006 14:28 (GMT+1)
Description updated by Marius T. Nicolae on Wed, 13 Sep 2006 10:48 (GMT+1)

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