this is the address that stole my BTC ;-( it was off a vanity i created and had on blockchain.info.... guess i will be moving wallets to non online :-( i wanna cry :-(
If you created a vanity address,it may have been the creators of the address who took your private key. I will think that you would have created it with vanitygen so it may not be such a problem. Check your computer for malware.