Troj/Bckdr-QES

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	Drops more malware Installs itself in the registry
Included in our products from	April 2007 (4.16)
Protection available since	8 March 2007 06:48:08 (GMT)
Detected by	All Sophos products

Troj/Bckdr-QES is a Trojan for the Windows platform.

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

When Troj/Bckdr-QES is installed the following files are created:

<System>\mslfmpk.dll - Detected as Troj/Bckdr-QES.
<System>\dload.ini - Can be deleted.
<System>\setmsx.dat - Can be deleted.

The following registry entry is created to run code exported by
(66220950-9370-7155-8256-014011770067) on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad
UrlMon
(66220950-9370-7155-8256-014011770067)

The file mslfmpk.dll is registered as a COM object, creating registry entries under:

HKCR\CLSID\66220950-9370-7155-8256-014011770067

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