Tuesday, May 23, 2006

Yahoo messaging worm installs bogus browser

Security researchers have identified a new worm spreading across Yahoo's instant messaging network that has been cloaked under the guise of a "safety" browser in an attempt to dupe users.

Malware writers have created a new worm that installs a new browser and plays screeching music. [Because Safety Browser uses the Internet Explorer icon to identify itself, users can easily mistake it for the legitimate Microsoft browser.]

The annoyance starts with a link apparently sent by a friend in Yahoo's instant messaging program. Once loaded onto a PC, the malicious program automatically hijacks the computer's existing browser home page and encourages users to visit a fraudulent Web site that attempts to load spyware programs onto their devices.

A detailed and illustrated explanation is available HERE.

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