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This hack was specifically focused on Internet Explorer version 6. It was sent to a few people in around thirty companies. This was not a widespread attack. Google was one of the high profile target companies under attack. Google has reported that only two accounts were compromised at their company.
Microsoft is releasing an emergency patch today. McAfee has updated their Stinger virus removal tool. This version is being called Aurora Stinger. It seems like McAfee is generating a lot of hype regarding this exploit. Although they are combating a real vulnerability, from the outside it looks like a big publicity drive.