W32.Mimail.I@mm

W32.Mimail.I@mm is a mass-mailing worm that attempts to steal credit card information. The worm displays a form that asks the user to enter their credit card information. (See the "Technical Details" section for an illustration of a fake "PayPal Secure Application" window.) This information is saved and later emailed to several predetermined email addresses.

The email has the following characteristics:

Subject: YOUR PAYPAL.COM ACCOUNT EXPIRES
Attachment: paypal.asp.scr -or-
www.paypal.com.scr

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Note: Virus definitions dated prior to November 17, 2003 may detect this threat as W32.Paylap@mm or W32.Mimail.H@mm.

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Protection

• Initial Rapid Release version November 13, 2003
• Latest Rapid Release version July 19, 2008 revision 019
• Initial Daily Certified version November 13, 2003
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date November 13, 2003

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

Threat Assessment

Wild

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

Damage

• Damage Level: Medium

Distribution

• Distribution Level: High