the only cure at the moment is having backup or pay. :-\

all the smart brains in all the worlds AV labs are trying to find a solution…

CryptoLocker. http://en.wikipedia.org/wiki/CryptoLocker

securelist
http://www.securelist.com/en/blog/208214109/Cryptolocker_Wants_Your_Money

bleepingcomputer
http://www.bleepingcomputer.com/virus-removal/cryptolocker-ransomware-information