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Re: More along the lines of malware disinfection

from [Jon R. Kibler] Network Security [Permanent Link]
Subject: Re: More along the lines of malware disinfection
Date: Tue, 18 Mar 2008 12:46:25 -0500
Mike Moratz-Coppins wrote:
When removing malware of one sort or another, 

<SNIP>

Hi,

IMHO, anytime, repeat ANYTIME, you have an infected box, it is < 0%
trustworthy. You can remove the malware, but how do you know that
you found everything? You don't. Especially if the malware is some
sort of downloader or spyware.

Infected system? Back up the data, and ONLY the data, then (to quote
Microsoft from RSA a couple of years ago) "Nuke it from space!".

Bottom line: It is impossible to give any reasonable assurance that
a box that was infected has been cleaned. Best solution: Never store
use data on a client system (so you have nothing to back up) and
simply reimage any suspect system (ZenWorks, Ghost, etc.). I have
some clients that reimage every desktop every weekend just for good
measure.

Jon Kibler
--
Jon R. Kibler
Chief Technical Officer
Advanced Systems Engineering Technology, Inc.
Charleston, SC  USA
o: 843-849-8214
m: 843-224-2494




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