Ransomware WNCRY(wanna cry) like virus effected files Change/Secure methods before format Computer

Описание: ransomware wanna cry virus infected files recovery before formatting.............

(AS user)This video show that, How can change virus like WNCRY infected files secure(safely) from windows os(Operating Systems). Video length only 3:00 Minutes

nothing more.. Use Ubuntu Operating System (OS) Bootable Disk..
if you don't get idea,
1.) watch ubuntu OS insralllation methods..( When we reach on the installation area use 'try ubuntu' method.. It's Like a portable OS Concepts)
2.) when Ubuntu is run perfect. we can asses(Coppy/Move) our files from Hard Disk(like C Drive from any other drives in your PC/Pendrive),
3.) After change of that files format your virus infected System. For the use of that system again.