而照片和影片的副檔名都被改成hvrvnzgh

請問這有辦法解除嗎?
這是勒索病毒嗎?
readme.txt的內容是
ALL YOUR DOCUMENTS PHOTOS DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED!
====================================================================================================
Your files are NOT damaged! Your files are modified only. This modification is reversible.
The only 1 way to decrypt your files is to receive the private key and decryption program.
Any attempts to restore your files with the third party software will be fatal for your files!
====================================================================================================
To receive the private key and decryption program follow the instructions below:
1. Download "Tor Browser" from https://www.torproject.org/ and install it.
2. In the "Tor Browser" open your personal page here:
http://149890707a00f6403.uweavplgqjefbcfb.onion/hvrvnzgh
Note! This page is available via "Tor Browser" only.
====================================================================================================
Also you can use temporary addresses on your personal page without using "Tor Browser":
http://149890707a00f6403.getcopy.icu/hvrvnzgh
http://149890707a00f6403.beganor.space/hvrvnzgh
http://149890707a00f6403.hitspay.club/hvrvnzgh
http://149890707a00f6403.sunonly.wales/hvrvnzgh
Note! These are temporary addresses! They will be available for a limited amount of time!
我該去點它網址嗎
請大大解惑謝謝