The WannaCry ransomware 1.0 was first detected in May 2017 which targeted computers running on Microsoft Windows Operating System. It paralyses affected computers by encrypting its data and demands ransom payments in Bitcoins. As many as 230,000 computers reported to have been infected in over 150 countries. Recently, WannaCry 2.0 has resurfaced and a handful of computers had been affected by it.