[OT] How to know if it is a virus / trojan and which one ??

["Kevin Hawkins" <lists@xxxxxxx>]

I have a friend with a PC in his business who has a problem - today his
email application Outlook Express on XP  is sending out an email from three
weeks previously to 2 contacts (one who was the orignal recipient & one
other - this 2nd recipent is constant). OE is sending thousands of copies
of
this email repeatedly but just to these two same contacts. The sent emails
are not appearing in the Outbox or Sent items folder. He has full installed
and has up to date Norton Antivius and has run that across the PC with no
detections. He has also tried a couple of reliable (legitimate) trojan app
detectors and these have come back negative. Any ideas - or suggestions on
what to try ??  I really don't know how to determine if there is such a
known virus - and I feel if it was known then Norton or these Trojan
detectors should be picking it up anyway.

Any thoughts ??

Kevin


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