https://www.bleepingcomputer.com/news/security/vaccine-not-killswitch-found-for-petya-notpetya-ransomware-outbreak/
origin - http://www.pipiscrew.com/2017/06/vaccine-not-killswitch-found-for-petya-notpetya-ransomware-outbreak/ vaccine-not-killswitch-found-for-petya-notpetya-ransomware-outbreak