CYBER CRIME & CYBER SECURITY TRENDS IN AFRICA Crypto-Ransomware Over Time, Global 11 Crypto-Ransomware as Percentage of All Ransomware, Global TT    While more traditional locker-style ransomware is showing a rapid decline, crypto-ransomware continues to grow. Crypto-ransomware employs very strong, ostensibly unbreakable key-based cryptography to hold a victim’s personal files to ransom by encrypting them with a key that only the criminals have access to. TT    Although the chart indicates a steady decline in traditional ransomware in 2015, crypto-ransomware now accounts for the majority of all ransomware. Ransomware 50,000 Crypto-Ransomware 600 Crypto-Ransomware as % of All Ransomware 40,000 100% 500 THOUSAND 30,000 20,000 10,000 90 80 70 400 60 50 300 40 200 30 20 100 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2015 10 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2015 Global Ransomware Discoveries LockDroid KeRanger CryptoApp Encryptor RaaS Global Ransomware Discoveries Coinvault 2005 Urausy Reveton Zerolocker 2012 2013 Q1 Q2 Q3 Onion Q4 Kovter 2014 Q1 Q2 Slocker CTB-Locker/Citron Synolocker Umbrecrypt Locky 2015 Q1 Q2 Q3 Q4 Dumb 2016 Q1 Ransom32 73v3n CryptoJocker Pacman Mabouia OSX POC Pclock Power Worm Threat Finder Hidden Tear Source: Symantec Hydracrypt Simplocker VirLock Vipasana LowLevel404 Cryptolocker2015 Linkup Browlock BandarChor Q4 Hi Buddy CryptInfinite TeslaCrypt Q3 Job Cryptor Unix.Ransomcrypt Cryptvault TorrentLocker Nymaim Radamant Tox PayCrypt VaultCrypt Troldesh Cryptowall Gpcoder XRTN ORX-Locker Nanolocker LeChiffre DMA-Locker Gomasom Chimera-Locker Magic Ginx