W32.Mimail.F@mm

Risk Level 2: Low

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Discovered:: November 4, 2003
Updated:: February 13, 2007 12:13:19 PM
Also Known As:: I-Worm.Mimail.e [Kaspersky], W32/Mimail-E [Sophos], WORM_MIMAIL.E [Trend], Win32.Mimail.E [Computer Assoc, W32/Mimail.e@mm [McAfee], Mimail.E [F-Secure]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Mimail.F@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: Virus definitions dated prior to November 5, 2003 may detect this threat as W32.Mimail.D@mm.

Antivirus Protection Dates

Initial Rapid Release version November 5, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version November 5, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date November 5, 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: 3 - 9
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: High

Technical Details

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Internet Security Threat Report, Volume 16