Windows 10 Controlled folder access will try to stop ransomware
 

As we get further out from the idea of keeping real, physical records of things, protecting our digital documents is more important than ever. With ransomware like WannaCry out there trying to lock up files for extortion, it's also more complicated than ever. Microsoft is making some security-related additions to the Fall Creators Update that might help mitigate ransomware's effectiveness.

http://techreport.com/news/32181/win...top-ransomware