It  is the latest Ransomware that allows users to pay easily
by providing QR code.

On infecting, files are encrypted and changed to WCRY extension.
The file's ransom requires a 0.3-bit coin,
If you do not pay within three days, warn you that you are doubling up,
And warn you that if you do not pay in seven days, y

ou will not be able to recover files forever.