Kaspersky: Restore Utility ((link))

Without the private RSA key, brute-force decryption would take millions of years. The Kaspersky Restore Utility only works when the ransomware developer made a mistake, such as:

Here's a step-by-step overview of how the Kaspersky Restore Utility works: kaspersky restore utility

The Kaspersky Restore Utility is not a backup tool. It is a forensic-grade, signature-agnostic file-carving engine designed to resurrect data from drives that ransomware has deliberately tried to destroy. If you think your encrypted files are gone forever, this is your last line of defense. Without the private RSA key, brute-force decryption would