full-disclosure - Microsoft Update Loader msrtwd.exe

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From: jstewart at lurhq.com (Joe Stewart)
Subject: Microsoft Update Loader msrtwd.exe

On Wed, 1 Sep 2004 15:08:56, Scott Birl wrote:
> Recently discovered a trojan(? - possibly a virus) called msrtwd.exe.
> It's listed in the Registry as "Microsoft Update Loader"
>
> Does anyone know anything about this?   Google doesnt offer much.

We saw an Rbot variant spreading on August 23 with the same exe name. 
I've also seen other Rbot variants using a similar registry key name. 
Kaspersky does a pretty good job of spotting unknown Rbot variants with 
a generic signature "Backdoor.Rbot.gen".

-Joe

-- 
Joe Stewart, GCIH 
Senior Security Researcher
LURHQ http://www.lurhq.com/