Please help me how to recover my files?
Unfortunately my files were encrypted by an online key.
If your files are encrypted using an online key, then they cannot be decrypted, because only the creators of the virus have the key. While there is no way to somehow determine or calculate this key, even using the fastest or super computer.
But do not despair, there is a chance that you will be able to recover the contents of encrypted files. This can be done using programs created to recover lost and deleted data. You can learn more about how to recover encrypted files in this article: