W32.Mits.A@mm

Risk Level 2: Low

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Discovered:: July 24, 2004
Updated:: February 13, 2007 12:25:38 PM
Also Known As:: Trojan.Win32.Smith [Kaspersky], Smith [McAfee]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mits.A@mm is a mass-mailing worm that uses its own SMTP engine to send itself to the email addresses that it finds on an infected host.

The worm alters many system settings, including registry editing to make it difficult to remove.

Antivirus Protection Dates

Initial Rapid Release version July 24, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version July 24, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date July 26, 2004

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: Difficult

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Writeup By: Sergei Shevchenko

Technical Details

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Internet Security Threat Report, Volume 16