that one was the old one..
this one is the new one..hackers declared nov 5 2011 as 'facebook kill day'
so they have started it..
i think this one is like..u clicked the image of your fren to see your fren pics and then it will subscribe/attach or whatever and u will be victimized
and u will even not know about it coz only others can see that one..
visit cnn news..for more details..