Petya, created in July 2016, started off as one of the next-generation ransomware strains that utilizes a Master Boot Record (MBR) locker. In the early days of ransomware strains, strains that modified the startup of a. system were popular, but they had died off for many years. Today, not long after its one year anniversary, the. virus has come back with a vengeance and a nasty new distribution method. Researchers have discovered what might be a Vaccine for the current. version of the PetyA-esque ransomwormwormworm.”]