4/15: Kelvir-J an IM Worm
April 15, 2005

W32/Kelvir-J is an instant messaging worm. W32/Kelvir-J spreads by sending a message through Windows Messenger to all of the infected user's contacts.

W32/Kelvir-J encourages the recipient to visit a website to download a file which is usually a copy of the worm. The message text is "it's you (URL)".

It may also drop a file detected by Sophos as W32/Sdbot-XE.

More information can be found at Sophos page.