W32.Nopir.C

Risk Level 2: Low

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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

Initial Rapid Release version June 5, 2005
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version June 5, 2005
Latest Daily Certified version August 20, 2008 revision 016
Initial Weekly Certified release date June 5, 2005

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Costin Ionescu

Technical Details

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