Never heard of that particular identd before...the most logical explanation would be that, as you think, it's a virus.
If you've download
any scripts/addons or anything lately, it could also be that.
Try some other virus scans, two is better than one (3>2 etc):
Useful security/virus websites:
McAffee Trend Micro - Housecall Symantec Security Check DALnet #NoHack Homepage Gibson Research Center Hope you solve the prob
Regards,
