Troj/Toader-A

Aliases	Backdoor.Win32.Agent.ns
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
Protection available since	16 September 2005 21:45:45 (GMT)
Detected by	All Sophos products

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Troj/Toader-A is a backdoor Trojan for the Windows platform.

When first run Troj/Toader-A copies itself to <System>\oobe\sysoobe.exe and
creates the file <System>\oobe\ws_sk32.dll.

ws_sk32.dll is used to a remote command prompt, giving a remote intruder access
to an infected computer.

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

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Gestionnaire de disques universel
<System>\oobe\sysoobe.exe

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