Watch it guys, this one is VERY common right now. I just repaired a computer with this one earlier today, it had 7 downloaded files that contained this virus. 4 of them from different sources. One of the files that appears to be very common is called s3*something*.MP3.pif.
I'd update your virus scanners and check for this one today. It contains a backdoor trojan, which basically allows someone to gain access to your computer and take it over. It also sends out copies of itself via email to everyone in your address book.
Look at:
www.symantec.com/avcenter/venc/data/w32.badtrans.13312@mm.html If you don't have an antivirus scanner, there is a free one available that can detect and remove this virus safely. Go to
http://antivirus.cai.com and get Innoculate it personal edition. You will need to update the virus definitions after it is installed to detect this virus though. The program has the ability to auto-update itself under the options menu.
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bloom25
-MAW-
(Formerly of the)
THUNDERBIRDS