Due to a decreased rate of submissions, Symantec Security Response has downgraded this threat to a Category 2 rating as of January 6, 2004.
W32.Mimail.J@mm is a mass-mailing worm that attempts to steal personal information. This worm displays a series of forms that ask users to enter their credit card information. (See the "Technical Details" for illustrations.) This information is saved and later emailed to several predetermined email addresses.
This worm is similar to W32.Mimail.I@mm
The email has the following characteristics:
Subject: IMPORTANT <random string of characters>
Virus definitions dated November 17, 2003, rev 21 (20031117.021), or greater are required to detect this threat.
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.