A variant of the Koobface worm is
hitting Facebook social networking users.
The worm first appeared this July, but
security firm McAfee reports a
variant of the
worm getting past Facebook security filters.
When a user follows a link to a video in a message, they are
redirected to one of many different compromised host servers. These
display a fake error message that their version of Flash is out of
date.
The user is then prompted to download or open
"flash_player.exe", a Koobface variant.
The worm on the users' machines can then be used to steal their
personal data.
Facebook is aware of the threat and is trying to purge the
spammed links from its system.
"But with dozens of Koobface variants known to exist, the
situation is likely to get worse before it gets better," said
McAfee.
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