Tracking Ransomware End-to-end[C] 2018 IEEE SYMPOSIUM ON SECURITY AND PRIVACY (SP) 2018 Huang, Danny Yuxing Aliapoulios, Maxwell Matthaios Li, Vector Guo Invernizzi, Luca McRoberts, Kylie Bursztein, Elie Levin, Jonathan Levchenko, Kirill Snoeren, Alex C. McCoy, Damon