MSN Messenger Trojan Spreading Quickly

A Trojan is introducing malware into thousands of computer systems worldwide, and the number is growing by the hour.The malware is being introduced by MSN Messenger files posing as pictures, mostly seeming to come from known acquaintences.The files are a new type of Trojan that has snared several thousand PCs for a bot network within […]

A Trojan is introducing malware into thousands of computer systems worldwide, and the number is growing by the hour.

The malware is being introduced by MSN Messenger files posing as pictures, mostly seeming to come from known acquaintences.

The files are a new type of Trojan that has snared several thousand PCs for a bot network within hours of its launch earlier today, and is being used to discover virtual PCs as a means of increasing its growth vector.

The eSafe CSRT (Content Security Response Team) at Aladdin—a security firm—detected the new threat propagating around noon on Nov. 18. At 18:00 UTC/GMT, eSafe had detected 1 operator and over 500 on-command bots in the network. Less than three hours later, or by 2:30 E.D.T., when eWEEK spoke with Roei Lichtman, eSafe director of product management, the number had soared to several thousand PCs and was growing by several hundred systems per hour.

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MSN, Messenger, Trojan, Malware