i think it;s just like that program find who blocked u , that start to send with each conversation a message saying : did u know that you can find who blocked you on http://www.``.com "
so it's just a message, and not a real virus that will delete your PC and it's not from your pc, but your contact's one
/ 
and it's not from your pc, but your contact's one 
![[Image: outpox.jpg]](http://tinypic.com/outpox.jpg)
