Marc Elias is a Security Researcher on the McAfee Advanced Threat Research team. He is currently focused on reverse engineering and tracking APT malware, specially from bears, as well as banking trojans and ransomware.
In previous jobs, he performed forensic analysis and threat hunting in clients’ infected systems and participated in some high-profile cases such as an APT intrusion in a government client and critical ransomware incidents.
As a member of the spanish team Ripp3rs, he is an eager participant of Capture The Flag (CTF) competitions and is keen on doing a little research on its own to keep up with the latest trends in the cybersecurity space.
During his free time, Marc also enjoys electronic music and assisting to music festivals.
Executive Summary Ryuk is a ransomware that encrypts a victim’s files and requests payment in Bitcoin cryptocurrency to release the keys used for encryption. Ryuk is used exclusively in targeted ransomware attacks. Ryuk was first observed in August 2018 during a campaign that targeted several enterprises. Analysis of the initial ...