Can anyone help me how to decrypt the encrypted .WWKA files?

[pavan_k]

few days back .WWKA ransomware attacked trough unknown software. after that i have formatted the “Drive C”. but still all my files are left which is encrypted with .WWKA virus. please help to how to decrypt those files. I can not delete them.

[Iss_Ech]

Hope this helps

Crypto Sheriff | The No More Ransom Project

[pavan_k]

I don’t know which type of ransomware it is. I tried to find in the given link. message showing as in the image.