Security alert: Active links in Messenger 2009 temporarily turned off to prevent a malicious worm

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Security alert: Active links in Messenger 2009 temporarily turned off to prevent a malicious worm (InsideWindowsLive)

A particularly malicious worm (a self-replicating computer virus) is currently trying to spread itself through many of the world’s largest instant messaging and social networks, including Windows Live Messenger 2009. We’re very serious about protecting our customers, and are pursuing multiple avenues to help stop its progress. The worm spreads by inserting a link into an IM conversation with a person whose computer is already infected. When someone clicks the link, it opens in a browser, downloads the worm on the recipient’s computer, and then repeats this process.

It is spreading in Windows Live Messenger 2009 so Microsoft has disabled live/active links in messages.

Windows Live Messenger 2011 is not impacted so if you use Messenger, I would strongly recommend upgrading to Windows Live Messenger 2011.

If you suspect that you are infected, download and run a quick scan with Microsoft’s Malicious Software Removal Tool (MRT). If you find anything, run a deep scan after the quick scan.

Thanks to Corrine through Scot’s Newsletter Forums and her blog, Security Garden, for calling this information to our attention.

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