W32.Mytob.KM@mm

Risk Level 2: Low

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Discovered:: October 12, 2005
Updated:: February 13, 2007 12:45:24 PM
Also Known As:: W32.Mytob@mm, Win32.Mytob.JP [Computer Assoc
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mytob.KM@mm is a mass-mailing worm that opens a back door and lowers security settings on the compromised computer.

Note: Virus definitions dated prior to October 12, 2005 detect this risk as W32.Mytob@mm.

Antivirus Protection Dates

Initial Rapid Release version October 12, 2005
Latest Rapid Release version October 12, 2005
Initial Daily Certified version October 12, 2005
Latest Daily Certified version October 12, 2005
Initial Weekly Certified release date October 12, 2005

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

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 50 - 999
Number of Sites: More than 10
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: Candid Wueest

Technical Details

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Internet Security Threat Report, Volume 16