Sophos researchers say a rumored Christmas tree-themed Facebook app that crashes computers is only a hoax.

"Thousands of Facebook users have raced in recent days to rescue friends by posting warnings of 'one of the WORST Trojan viruses' out there, but Sophos says it has seen no evidence that such a malware-bearing app exists (not that one couldn't be concocted)," writes Computerworld's Bob Brown.

"Sophos says the warnings of this non-existent app actually appear to have traveled faster than past warnings of real threats," Brown writes.

Click here to read the Computerworld article.

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