Klez Worm hitting hard

<p> A few months back you may remember reading about a virus warning for the Klez.E worm, a worm that exploits a well known security hole in Outlook Express (shocking as that may seem). Well it appears that the worm has evolved a bit and is now spreading very quickly under the name of <a href="http://securityresponse.symantec.com/avcenter/venc/data/w32.klez.h@mm.html">Klez.H</a>. </p> <p> The <a href="http://securityresponse.symantec.com/avcenter/venc/data/w32.klez.e@mm.html">original virus</a> attempts to disable anti-virus programs, and also destructivly overwrites files on the infected system. This new variant spreads has the ability to spread via email or via network shares. </p> <p> The icing on the cake is not the speed at which the virus is spreading, nor is it the fact that it exploits an <a href="http://www.microsoft.com/technet/treeview/default.asp?url=/technet/security/bulletin/MS01-020.asp">already well known security vulnerability</a>. Once a computer has been infected, the virus has a scheduled routine that begins to overwrite files on the infected systems hard drive with random content. Data files overwritten by this virus typically cannot be recovered except from a backup copy of the same file. </p> So take some time out of your day, make sure your anti-virus definitions are up-to-date, virus scan your system, and do a comprehensive backup. None of these routines are fun, but they are all much more fun then trying to rebuild your lost data files. <ul> <li><a href="http://www.symantec.com/nav/nav_9xnt/">Norton Antivirus</a></li> <li><a href="http://www.mcafee.com/anti-virus/">McAfee VirusScan</a></li> <li><a href="http://www.europe.f-secure.com/products/anti-virus/">F-Secure Antivirus</a></li> <li><a href="http://www.grisoft.com/html/us_index.htm">AVG Antivirus</a></li> <li><a href="http://housecall.antivirus.com/">Trend Micro "Housecall"</a></li> </ul>

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