In the ever evolving cyber security landscape new vulnerabilities are found and exploited daily. Crypto Locker ransomware is an example of the new kind of threats you face.

Once infected, it finds all personal files and encrypts them, requesting you pay a ransom to unlock your files. This would not be wise. They may use your payment information for identity theft and never return your data. The only real solution is to restore from a backup.

No backup, No data recovery. It is that simple.