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- Discovered:
- November 1, 2003
- Updated:
- February 13, 2007 12:13:11 PM
- Also Known As:
- I-Worm.Mimail.f [Kaspersky], W32/Mimail.f@MM [McAfee], WORM_MIMAIL.G [Trend], Win32.Mimail.E [Computer Assoc, W32/Mimail-E [Sophos], Mimail.F [F-Secure]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
Due to a decreased rate of submissions, Symantec Security Response has downgraded W32.Mimail.D@mm from a Category 3 to a Category 2 as of November 9, 2003.
W32.Mimail.D@mm is a variant of W32.Mimail.C@mm that spreads by email. It is packed with UPX.
The email has the following characteristics:
Subject: don't be late! [random string of letters]
Attachment: readnow.zip (contains readnow.doc.scr)
Note: The W32.Mimail.D@mm signature was modified in definitions dated November 3, 2003 to account for the discovery of a minor variant.
Antivirus Protection Dates
- Initial Rapid Release version November 1, 2003
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version November 1, 2003
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date November 1, 2003
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: More than 10
- Geographical Distribution: Low
- Threat Containment: Easy
- Removal: Moderate
Damage
- Damage Level: Medium
Distribution
- Distribution Level: High
Writeup By: Yuhui Huang
