Since its discovery in early 2016, we have tracked a number variations of Petya, a ransomware variant famous for multi-stage encryption that not only locks your computer, but also overwrites the Master Boot Record. Petya continues to persist, and in this blog we will take a deeper look at its more complex second stage of attack. Petya overwrites the Master Boot Record (MBR), along with its neighboring sectors using its boot code and a small kernel code. The MBR contains the master boot code, the partition table,... [Read More]
by RSS Raul Alvarez  |  Feb 01, 2017  |  Filed in: Security Research