Antivirus: DO YOU HAVE IT

Make sure you do have antivirus and that it is up to date. Also verify you have a backup plan and that you have a current backup. There is a new virus out and it is Nasty. Besides stealing your information, it also encrypts your files. They ask you to pay to decrypt. That apparently does not work. Either prevent the infection, or have a good disaster recovery plan. Read more below.

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