Ransomware has come full circle since it first appeared on the scene in 2005. Early crypto ransomware soon gave way to misleading apps, fake antivirus tools, and lockers. The main threat today is crypto ransomware, where files are securely encrypted and victims have to pay to secure the key and unlock their own files. The FBI’s Internet Crime Complaint Center (IC3) received 992 related complaints between April 2014 and June 2015, with victims reporting losses of more than $18 million.”]