If your PC has been infected by WannaCry the ransomware that wreaked havoc across the world last Friday you might be lucky to get your locked files back without paying the ransom of $300 to the cyber criminals.

Adrien Guinet, a French security researcher from Quarkslab, has discovered a way to retrieve the secret encryption keys used by the WannaCry ransomware for free, which works on Windows XP, Windows 7, Windows Vista, Windows Server 2003 and 2008 operating systems.

Read more: WannaCry Ransomware Decryption Tool Released; Unlock Files Without Paying Ransom – Geek The Net