L' INTELLIGENCE CYBER par Jean-Paul Pinte

The code behind WannaCry, the ransomware which recently infected hundreds of thousands of victims around the globe, was full of mistakes and of very low quality, to such an extent that some victims may able to regain access to their original files even after they’ve been encrypted.

http://www.zdnet.com/article/wannacry-ransomware-code-errors-could-give-victims-a-chance-to-get-files-back/