[iwar] [fc:Two.new.mutant.variants.of.the.Nimda.virus.found.in.Korea]

From: Fred Cohen (fc@all.net)
Date: 2001-10-15 17:32:50


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Date: Mon, 15 Oct 2001 17:32:50 -0700 (PDT)
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Subject: [iwar] [fc:Two.new.mutant.variants.of.the.Nimda.virus.found.in.Korea]
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Two new mutant variants of the Nimda virus found in Korea 
Security News Portal, 10/15/2001
<a href="http://www.securitynewsportal.com/article.php?sid=1938&mode=thread&order=0">http://www.securitynewsportal.com/article.php?sid=1938&mode=thread&order=0>

Ahnlab, a Korean anti-virus company, has discovered two mutant versions
of the Nimda virus, a virulent Internet worm that hit computer servers
and networks hard last month, reported Ahnlab yesterday. 
The anti-virus company said it detected two mutated versions of the
Nimda worm _ Win32/Nima28672 and Win32/Nimda 39991 _ last Friday, and
distributed an updated version of its vaccine program on its website.
``As for Nimda28672 and Nimda39991, they have been found here but were
never reported overseas,'' an Ahnlab researcher noted. 
North American anti-virus companies have stated that their current virus
engines can already detect these new variants - but it would be best to
ensure that your anti-virus software is running the most current version 
He added, ``We named the virus according to the world vaccine industry's
custom that put either the discoverer or company of the computer virus
or the size of the attached virus infected files in the e-mail.'' 
The vaccine developer explained that the two mutant Nimda worms behave
pretty much as do previous Nimda worms, except that they normally stay
compressed. But when they enter a computer system, they extract
themselves and run automatically. 
To prevent or to cure infections of the transformed Nimda viruses,
Internet users can access Ahnlab or other anti-virus firms' websites and
update their vaccine software or download and install the vaccine
program

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