A new ransomware variant called Locker demands $150 (..92) to restore files that it has encrypted. Locker’s encryption is based on an open source tool called’TurboPower LockBox’library. After encrypting all files, the malware place a “” file in each directory, which provides contact details of the author to buy the decryption key and once the ransom is paid, each victim gets a key to unscramble files. The malware infects users from the United States, Turkey, Russia, Germany and the Netherlands.
Source: https://thehackernews.com/2013/12/locker-malware-yet-another-new-variant.html