Troj/Agent-TR

Aliases	Trojan.Win32.VB.abz Downloader-AFB trojan TROJ_VB.TL Download.Trojan
Category	Viruses and Spyware
Type	Trojan
What to do	If you've received an alert for a virus or spyware, then follow the instructions for removing the threat.
Prevalence	low high

Summary


Affected operating systems	Windows
Characteristics	Installs itself in the registry
Included in our products from	March 2006 (4.03)
Protection available since	23 January 2006 22:06:42 (GMT)
Detected by	All Sophos products

Troj/Agent-TR is a Trojan for the Windows platform.

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

When first run Troj/Agent-TR copies itself to <Windows folder>\smss.exe.

The following registry entries are created to run Troj/Agent-TR on startup:

HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows
Run
<Windows folder>\smss.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
smss
<Windows folder>\smss.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
smss
<Windows folder>\smss.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Runservices
smss
<Windows folder>\smss.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Runservices
smss
<Windows folder>\smss.exe

Troj/Agent-TR changes the Start Page for Microsoft Internet Explorer by modifying values under:

HKCU\Software\Microsoft\Internet Explorer\Main\Start Page
HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page

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