CryptoLocker is a very nasty malware that encrypts your data. Read more at: http://www.snopes.com/computer/virus/cryptolocker.asp
The only way to get your data back is to pay a ransom to obtain an encryption key. Watch out for drive by downloads and phony email attachments. Your only defense after the infection is to have good back ups. If you need help making sure this can not happen to you, call Computer Guy Consulting and I will help you plan making sure you have a copy of your data in the event something like the cryptolocker malware was to happen to you. Peace of mind is priceless. Be prepared.
Computer Guy Consulting offers: remote management and tech support, on site consulting services, managed back up systems, data recovery, and small business IT services.