Sophos

Troj/Proxy-BS

Aliases
  • Trojan-Proxy.Win32.Agent.hd
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 8 April 2006 21:15:22 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Proxy-BS is a backdoor Trojan which allows a remote intruder to gain access
to the infected computer.

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

When first run Troj/Proxy-BS copies itself to <System>\win32update.exe.

The following registry entry is created to run win32update.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Win32 Kernel Update
<System>\win32update.exe

The Trojan listens on a random port for connections from remote attackers. The
Trojan then allows remote intruders the ability to route HTTP traffic
anonymously through the infected computer.

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