Microsoft kills Google Chrome with bad malware signature - Computerworld

Microsoft scrambled earlier today to revise an antivirus definition file that deleted Google's Chrome browser from users' PCs.

"Wow, that's certainly one way to win the browser war," said Andrew Storms, director of security operations at nCircle Security.

Microsoft issued a corrected definition file around 10 a.m. PT Friday, about three hours after users began reporting the false positive on Google's support forum.

"An incorrect detection for PWS:Win32/Zbot was identified and as a result, Google Chrome was inadvertently blocked and in some cases removed from customers PCs," Microsoft said in a statement posted to the Facebook page of its malware research center. "We have already fixed the issue..., but approximately 3,000 customers were impacted."
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