You may encounter the situation
Your personal documents and files on this computer have just been encrypted. It means that you will not be able to access your files anymore until they are decrypted. Your original files have been deleted, these can be recovered as described below. Click on “View encrypted files” to see a list of files that got encrypted.
To receive your private key, you need to pay the amount of bitcoins displayed left of this window. You need to send the amount of bitcoins to the bitcoin address at the bottom of this window.
After the purchase is made, please wait a few minutes for confirmation of the bitcoins. After the bitcoins are confirmed, click the ‘check payment and receive keys’ button. Your keys will appear in the text boxes. After that, you simply click ‘decrypt using keys’, your files will be decrypted and restored to their original location.
You can easily delete this software, but know that without it, you will never be able to get your original files back."