This instant messaging worm spreads in AOL Instant Messaging (AIM) network. It was found in December 2005.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
It sends copies of itself to people in the buddy list as a link, pointing to a file called clarissa17.pif.
After that it replies to all messages from other users with a message saying either "lol that's cool" or "lol no its not its a virus".
Detection for this malware was published on December 5th, 2005 in
the following F-Secure Anti-Virus updates:
Detection Type: PC
Description Created: Mikko Hypponen, December 12th, 2005;