Viral web infection siphons ad dollars from Google

A compromise that is moving virally across websites is making unwitting people who surf to them part of a botnet that redirects Google search results, a security researcher has warned.

During the past week, the number of websites identified as infected have almost tripled, according to researcher Mary Landesman with real-time malware scanning specialist ScanSafe tracking the attacks since March. Normally, web compromises die out after a few weeks, as search engines and anti-virus programs grow wise to them. But that's not happening this time.

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