W32.Mumo

Risk Level 1: Very Low

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Discovered:: December 29, 2003
Updated:: February 13, 2007 12:15:35 PM
Type:: Virus
Systems Affected:: Windows 2000, Windows NT, Windows XP

W32.Mumo is a polymorphic and encrypted virus that attempts to infect windows Portable Executable (PE) files. The size of an infected file is increased by 8,192 bytes.

Antivirus Protection Dates

Initial Rapid Release version December 30, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version December 30, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date December 31, 2003

Click 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: Low

Distribution

Distribution Level: Low

Writeup By: Robert X Wang

Technical Details

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Internet Security Threat Report, Volume 16