The newest AOL Instant Messenger (AIM) worm, discovered today, causes targeted AIM users to receive a message, ostensibly from a buddy, that says “LOL, LOOK AT HIM,” and contains a link to a file called “picture.pif.” This worm is considered to be a variation of the Opanki worm.

However, that file is not a picture of “him” or anyone else. It is the file to unleash the worm on to the user’s system. Once unleashed, the worm replicates itself, sending itself to all of the user’s own AIM buddies.

It is not known yet whether this new “LOL look at him worm” also installs a backdoor on to compromised systems…

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