Cryptolockers have become more and more sophisticated, bypassing system protections and terrifying anyone in their path. TeslaCrypt, CryptoWall, TorrentLocker, Locky and CTB-Locker are only some of the malware we have protected from for the past two years. We have seen many shapes and colors of cryptolockers, but the new CTB-Locker variant says it all. The world of cybercriminals is investing in how to reinvent cryptolockers.