i downloaded a virus which turns all extensions for my files to pptx and i want to fix it can anyone help?

[ahmedokka]

i don't have a restore points and i setup new windows version but the files still existed on another drive and i want to repair them.

 

[TwinHeadedEagle]

Hello,

Try uploading an encrypted file here:

ID Ransomware

It can tell you whether it can be decrypted or not.