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Virus name: Novarg (aka MyDoom).
Origins: Novarg is a mass-mailing worm that affects only
It enters its victims' computers as an attachment bearing a file extension of .bat, .cmd, .exe, .pif, .scr, or .zip. Once in place, the worm creates a "backdoor" into infected systems by opening TCP ports 3127 thru 3198. That backdoor can potentially give an attacker the ability to use the subjugated computer to gain access to its network resources. If that's not bad enough, the backdoor has the ability to download and execute arbitrary files.
Novarg is programmed to let loose a denial of service attack against www.sco.com, the web site of the
Virus experts suggested MyDoom's author was a fan of the Linux open source community, because the bug, which targets computers running Microsoft Windows, launched a Denial of Service Attack on SCO's site. Utah-based SCO Group, owner of the UNIX operating system, claims some versions of the Linux operating system use its proprietary code.Novarg-infected e-mails bear the following subject lines:
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