Troj/Dloadr-LR

Aliases	Trojan-Downloader.Win32.Agent.mp
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 2006 (4.04)
Protection available since	21 February 2006 04:59:48 (GMT)
Detected by	All Sophos products

Troj/Dloadr-LR is a downloader and dropper Trojan for the Windows platform.

Troj/Dloadr-LR includes functionality to download, install and run new software.

When Troj/Dloadr-LR is installed the following files are created:

<System>\ffservice.exe
<System>\lservice.exe
<System>\wservice.exe

The files ffservice.exe, lservice.exe and wservice.exe are detected as Troj/Prorat-O.

The following registry entries are created to run ffservice.exe and lservice.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows Reg Services
<System>\ffservice.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Reg Services
<System>\ffservice.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
Windows Reg Services
<System>\ffservice.exe

HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{a75aed00-d7bf-11d1-9947-00c0Cf98bbc9}
StubPath
<System>\lservice.exe

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