Kaspersky Restore Utility ✦

| File Type | Ransomware A (Legacy) | Ransomware B (Modern, full-overwrite) | Ransomware C (Delete+TRIM) | | :--- | :--- | :--- | :--- | | Small .txt files | 92% recovery | 0% (overwritten) | 0% | | .jpg photos | 78% recovery | 12% (partial headers) | 3% (fragments) | | .docx (ZIP structure) | 65% recovery | 0% | 0% | | .pdf | 81% recovery | 8% | 1% |

Most ransomware variants use asymmetric encryption (AES + RSA). Without the private key, you cannot mathematically reverse the encryption. This tool does not try. kaspersky restore utility

Keep a copy of restore.exe on a USB drive before you get infected. If you wait until after, downloading it onto the compromised machine might overwrite the very sectors you need to recover. | File Type | Ransomware A (Legacy) |