The best I can offer you is to post here: https://www.bleepingcomputer.com/fo...eadmetxt-support-topic/?hl=+ryuk#entry4919666
But:
"As far as I am aware, this ransomware infection is not decryptable without paying the ransom and obtaining the private keys from the criminals who created the ransomware unless they are leaked or seized & released by authorities after making an arrest. We do not recommend paying the criminals."