Sophos

Troj/Feutel-AI

Aliases
  • Backdoor.Win32.Hupigon.ft
  • BackDoor-AWQ.b
  • Backdoor.Graybird.K
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Protection available since 21 November 2005 05:22:04 (GMT)
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Action

More Information

Troj/Feutel-AI is a backdoor Trojan for the Windows platform.

When first run Troj/Feutel-AI copies itself to <Windows>\G_Server.exe and creates the following files:

<Windows>\G_Server.DLL

The file G_Server.exe is registered as a new system driver service named "GrayPigeonServer", with a display name of "Gray_Pigeon_Server" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\GrayPigeonServer\

Troj/Feutel-AI changes settings for Microsoft Internet Explorer by modifying values under:

HKCU\Software\Microsoft\Internet Explorer\Main\

The following registry entry is set:

HKCU\Software\Microsoft\Internet Explorer\Toolbar
Locked
1

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