[.docm ransomware, how to decrypt the files ? [MOVED] [Solved][Closed]]

Hi everyone: After donwloading a link from "weetransfer" website and open it, my PC got .DOCM virus. All files on desktop and in the folder i opened it in became .DOCM files. i give the PC to a professional company in our country, they remove the virus but could not decrypt the files. i contact the criminal as per the note left on my desktop and he decrypt on file for me. How to decrypt these files? I will upload an encrypted file and the same file after the criminal decrypt it. Moderator: Moved to the correct forum.