1. Abrams, L. (2016, December 8). New scheme: Spread popcorn time Ransomware, get a chance of free Decryption key. Bleeping Computer. Retrieved from https://www.bleepingcomputer.com/news/security/new-scheme-spread-popcorn-timeransomware-get-chance-of-free-decryption-key/.
2. Awareness Education as the Key to Ransomware Prevention Dr. Xin Luo Ph.D. and MBA and MSIS a & Dr. Qinyu Liao Ph.D.
3. Cisco (2015) Ransomware on steroids: Crytowall 2.0. http://www.blogs.cisco.com/security/talos/cryptowall-211.Threatpost (2013) Researchers uncover the affiliate network for ransomware, by Tom Spring. https://www.threatpost.com/researchers-uncover-affiliate-network-for-ransomware/118452/
4. ‘Crypto locker’. Wikipedia. Accessed Sep 2016. https://en.wikipedia.org/wiki/CryptoLocker.
5. E. P. Torres P. and S. G. Yoo, “Detecting and neutralizing encrypting Ransomware attacks by using machine-learning techniques: A literature review,” Int. J. Appl. Eng. Res., vol. 12, no. 18, pp. 7902–7911, 2017.