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Virus disguises itself as MSN Messenger beta

File purporting to be the latest test version of Microsoft's IM software tries to draw PCs into a botnet.

Stephen Shankland Former Principal Writer
Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D printing, USB, and new computing technology in general. He has a soft spot in his heart for standards groups and I/O interfaces. His first big scoop was about radioactive cat poop.
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  • Shankland covered the tech industry for more than 25 years and was a science writer for five years before that. He has deep expertise in microprocessors, digital photography, computer hardware and software, internet standards, web technology, and more.
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Stephen Shankland
A virus masquerading as a new beta version of Microsoft's MSN Messenger has begun circulating, antivirus company F-Secure said on its blog Tuesday.

The virus, which F-Secure calls Virkel.F, comes as a file called BETA8WEBINSTALL.EXE that can be downloaded from a Web site. Running the program installs not a new MSN Messenger beta, but rather a virus that sends download links to a computer user's MSN Messenger buddies. The virus falsely labels the link as "MSN Messenger 8 Working BETA."

"It also connects your machine to a botnet server," F-Secure warned, meaning that a person's computer can be controlled remotely to attack other machines or send spam.

Malicious software that uses instant messenger programs is growing more common. A November study by Akonix Systems identified 62 examples.

And Microsoft's instant-messenger infrastructure is the most popular conduit for attack, IMlogic said in an October study.