high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 1 December 2005 02:59:51 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
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More Information
Troj/GrayBrd-AN is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.
Troj/GrayBrd-AN may attempt to log keypresses, perform video captures, start a Proxy Server and steal Microsoft product keys. The Trojan will attempt to send the stolen information to a remote user via HTTP.
When first run Troj/GrayBrd-AN copies itself to <Windows folder>\Server.exe and creates the files:
<Windows folder>\Server.DLL
<Windows folder>\Server_HOOk.dll
The dlls are also detected as Troj/GrayBrd-AN.
The file Server.exe is registered as a new system driver service named "Server 2.0", with a display name of "Server 2.0" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Server 2.0
Troj/GrayBrd-AN changes settings for Microsoft Internet Explorer by modifying the following registry entry:
HKCU\Software\Microsoft\Internet Explorer\Main
Check_Associations
no
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