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Troj/Agent-JSH

Aliases
  • Trojan-Downloader.Win32.VB.hqa
  • TR/Agent.tvb
  • TrojanDownloader:Win32/Tonick.gen
  • Backdoor.IRC.Bot
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 1 May 2009 22:40:42 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Agent-JSH is an IRC backdoor Trojan for the Windows platform.

Troj/Agent-JSH runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

Troj/Agent-JSH includes functionality to access the internet and communicate with a remote server via HTTP.

When Troj/Agent-JSH is installed the following files are created:

<Windows>\fonts\Setup.exe - also detected as Troj/Agent-JSH
<Windows>\fonts\a.zip - also detected as Troj/Agent-JSH
<Windows>\fonts\svchost.exe - also detected as Troj/Agent-JSH
<System>\vbzip10.dll - clean zip dll

The following registry entry is created to run Troj/Agent-JSH on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Host Process
<Windows>\Fonts\svchost.exe

Registry entries may be created under:

HKCU\Software\VB and VBA Program Settings\FC3\x

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