Be Warned: Trojan Pretends To Be Microsoft Security Essentials

I spent the day at two clients today. One who needed her laptop tweaked after having a new hard drive installed by a major retailer, and someone who got infected by a very interesting trojan that I’d like to tell you about. Apparently, she clicked on a link that allowed her to download what she thought was Microsoft Security Essentials. But in reality it was a trojan, and she figured it out when it it said that she had to pay to scan her hard drive. I did some research and discovered this Microsoft note on the subject. It is a really nasty bug and it took me the better part of an hour to get rid of it as stuff like this is really difficult to kill.

So be warned, if you see a link or an offer to download “Security Essentials 2010”, you should run quickly in the other direction.

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