From zdnet.com
The United States Patent and Trademark Office has granted this week a patent to online payments company PayPal for a technique for detecting and stopping ransomware attacks.
According to US patent number 10262138, issued on April 16, PayPal believes it can detect the early stages of a ransomware infection, and take one of two actions –to stop the encryption process, or to save a copy of the untainted original file to a remote server, before it gets encrypted, as a backup, so it can be restored later on.