Serious false positive hits users of old McAfee engines
Batch of system files wrongly flagged as malware, current versions not affected.
An update released by McAfee last week resulted in problems around the world, as some vital system files were
flagged as malware by updated scanner products, bringing affected systems to a crashing halt. The issue is believed only
to have affected users of McAfee's VirusScan 8.01, with those who have upgraded to versions 8.5i and
onward not affected by the problems. The misbehaving DAT file was corrected fairly quickly.
Numerous user comments have been posted on forums and elsewhere detailing the serious issues caused by the update, which
resulted in a selection of files, some of them core components of Windows, to be flagged as a generic password stealer.
With many admins already away from their posts thanks to the US 4th July holidays, damage could be considerable despite the
limited range of products affected. As usual, we advise readers to run the latest versions of all components of their
security software where possible.
Details on the glitch are at ITPro
here, with a flood of
comments at The Register here.
Further input from users reached McAfee forums
here and
here.
07 July 2009
Tags:
false positive, mcafee, update.
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