A malware has been found which encrypts the file and asks for ransom. check out the following link::
http://www.symantec.com/connect/blogs/breaking-bad-themed-los-pollos-hermanos-crypto-ransomware-found-wild -- You received this message because you are subscribed to the Google Groups "NFORCEIT" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at http://groups.google.com/group/nforceit. For more options, visit https://groups.google.com/d/optout.
