They have a way of retrieving files from your computer.

他们有办法恢复你电脑里的文件。

The ransomware-hunters can sometimes find those chinks in its digital armour, allowing victims to retrieve their files without paying.

勒索软件猎手有时可以在其数字盔甲中找到这些漏洞，让受害者无需付费即可检索文件。