Sounds fishy. You could try doing an online scan, there are links in the thread below
WARNING: Viruses on the network you should be aware of

If you need more help, try one of the sites below

http://www.spywarewarrior.com/index.php

http://www.castlecops.com/forums.html

http://forums.spywareinfo.com/index.php?showtopic=79038