Many "key generators" are bundled with trojans or ransomware. Data Corruption:
Quickly restoring deleted office documents, pictures, and music from internal drives, USB sticks, or memory cards. PhotoRec (Cross-Platform) aidfile recovery register code exclusive
Only registered users can save the data found during a scan; the free version is often restricted to a "preview-only" mode. Many "key generators" are bundled with trojans or ransomware