Discovered: June 4, 2005
Updated: February 13, 2007 12:39:48 PM
Also Known As: Win32.Nopir.C [Computer Associ, P2P-Worm.Win32.VB.db [Kaspersk, Del-471 [McAfee], W32/Nopir-E [Sophos], WORM_NOPIR.C [Trend Micro]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Nopir.C is a worm that attempts to spread through file sharing applications such as eMule, Kazaa, Morpheus, and Gnucleus. The worm lowers security settings and deletes .MP3, .AVI, .MPG, .MPEG, and .RAR files.
Protection
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Initial Rapid Release version June 5, 2005
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Latest Rapid Release version May 13, 2008 revision 038
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Initial Daily Certified version June 5, 2005
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Latest Daily Certified version May 13, 2008 revision 048
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Initial Weekly Certified release date June 5, 2005
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Easy
Damage
Distribution
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Distribution Level: Medium
Writeup By: Costin Ionescu
