BitcoinRansomware is becoming increasingly popular with hackers and cyber criminals The ability to lock down an entire system and render it useless until a ransom has been met is quite powerful Ransomware often requires payment in a method that is irreversible allowing the criminals to keep any payments they receivedunless they are caught of course The FBI has warned that companies might not be able to get their data back unless they pay the ransom or have backups in which they can restore the system to Cryptolocker was incredibly prevalentfor a year but was replaced by Cryptowall a very strong form of ransomware