A search for "blockchain" on google resulted in an add on the top of the search result which redirects to, I believe,  a hacked site:

Google URL : http:// goo.gl / 9C321G
Target URL: http://blockchain-info-wallet.megamusicpm.com/

http://i.imgur.com/f9f8Sbv.jpg

http://i.imgur.com/rcbEim1.jpg

Be careful!