ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,438, issued on Sept. 30, was assigned to Nubeva Inc. (San Jose, Calif.).
"Recovering from ransomware attacks" was invented by Randy Yen-pang Chou (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed embodiments disclose techniques for decrypting an encrypted file. During operation, a recovery system receives an encryption key and a program executable that were previously used to encrypt an encrypted file using an unknown encryption technique. The program executable is executed in a sandbox environment that includes a known file containing a known pattern; the executing program generates a subsequent key and encrypts the kn...