As many of you may now, crypto-ransomware is the latest and most dangerous threat online. In a day, one may find all his valuable .doc, .xls, .jpg, .pdf, etc. files encrypted with strong crypting algo, and up to date there is no known way to recover Cryptowall 4.0 encrypted files.
Security researchers at BitDefender published a free tool, that can prevent Cryptowall infection from being installed on a computer. Please note, that if your files are already encrypted, this tool is not useful for you.
To protect yourself from being a victim of Cryptowall ransomware, simply download and install the protection tool from here.
Again, this utility protects systems only from being infected with the latest version of Cryptowall ransomware (Cryptowall 4.0).