Abstract: Ransomware is a malware for data kidnapping, an exploit in which the defender encrypts the target's data and loads expense for the decryption key. Ransomware blowouts through e-mail attachments, infected programs and compromised websites. A ransomware malware database may also be named ascryptovirus, cryptotrojan or cryptoworm.

Keywords: Ransomware, Crypto Locker, Decryptor, Cryptowall.