Threat Level: green Handler on Duty: Johannes Ullrich

SANS ISC: BitDefender 2010 Update Problem SANS ISC InfoSec Forums

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BitDefender 2010 Update Problem

We have started to receive reports this morning concerning a popular consumer antivirus product has caused some grief today.  BitDefender 2010 appears to have released a set of bad definitions.  Unfortunately, these bad virus definitions appear to detect core DLL files and even parts of BitDefender, itself, as infected by "Trojan.FakeAlert.5".  There is quite a thread discussing this issue on the BitDefender Forums.

If you or your organization uses BitDefender, I would heavily recommend that you disable auto-update of the definitions until corrected ones are released soon.  Also, I would recommend preparing to do a lot of hands-on clean up to reverse those files which were quarantined by accident.

Scott Fendley ISC Handler

ScottF

189 Posts
ISC Handler
Mar 20th 2010

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