Windows 7 Counterfeit Windows XP Breeding Malware

[JMH]

Beware Windows XP, as 74% of rootkit infections can be traced to PCs running that operating system. By comparison, only 17% of rootkit infections were spotted running on Vista, and 12% on Windows 7.
That finding comes from Avast--a free antivirus software developer based in Prague--and is based on a six-month study the company conducted of 630,000 malware samples encountered by its users.

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