W32.Mytob.CZ@mm

Risk Level 2: Low

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Discovered:: June 1, 2005
Updated:: February 13, 2007 12:39:38 PM
Also Known As:: Win32.Mytob.DS [Computer Assoc, Net-Worm.Win32.Mytob.bd [Kaspe, W32/Mytob.bm@MM [McAfee], W32/Mytob-CU [Sophos], WORM_MYTOB.BS [Trend Micro]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mytob.CZ@mm is a mass-mailing worm that has back door capabilities and uses its own SMTP engine to send an email to addresses that it gathers from the compromised computer.

Antivirus Protection Dates

Initial Rapid Release version June 2, 2005
Latest Rapid Release version June 2, 2005
Initial Daily Certified version June 2, 2005
Latest Daily Certified version June 2, 2005
Initial Weekly Certified release date June 2, 2005

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: 3 - 9
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: Yana Liu

Technical Details

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Internet Security Threat Report, Volume 16