Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Included in our products from | January 2006 (4.01) |
| Protection available since | 30 November 2005 23:31:04 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please follow the instructions for removing Trojans.
More Information
Troj/Feutel-AQ is a backdoor Trojan for the Windows platform.
Troj/Feutel-AQ includes functionality to access the internet and communicate with a remote server via HTTP.
When first run Troj/Feutel-AQ copies itself to <Windows>\server.exe and creates the following files:
<Windows>\server.dll
<Windows>\server_HOOk.DLL
The file server.exe is registered as a new system driver service named "PigeonServer", with a display name of "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\PigeonServer\
Troj/Feutel-AQ changes settings for Microsoft Internet Explorer by modifying values under:
HKCU\Software\Microsoft\Internet Explorer\Main\
