求助！！！数据库和备份都被锁了

数据库和备份都被锁了，被锁文件的文件夹内有个文档，以下是具体内容
Your files has been encrypted
To recover them you need decryption tool
You can contact us in two ways:
1 Download TOR Browser https://www.torproject.org/download/ (sometimes need VPN to download)
Open TOR browser and follow by link below:
http://weaxorpemwzoxg5cdvvfd77p3 ... 53138D7AC2ADA57B8A1
2 Or email: datahelper@cyberfear.com
Your key: 55A412487B2D944C3A310849F192074F03A15AA27A74C53138D7AC2ADA57B8A1
Include your key in your letter
Our guarantee: we provide free decyrption for 3 files up to 3 megabytes (not zip,db,backup)

同问，也是这个

同问,电脑没关，啥也没动，没打开邮件，也没看网页，然后就出现了这

需要进行溯源分析，排查中毒原因。请添加2880706404，并备注被加密文件后缀。