While Deep Freeze stops save-to-disk malware (ransomware, trojans, keyloggers), note:
For users who test suspicious files or let family members use a shared PC. A permanent license turns an old laptop into an invincible testing machine. Deep Freeze Standard Edition 7.51.020.4179 With Permanent
Purchase directly from Faronics or resellers like CDW, SoftwareKeep, or Amazon (Sell via third-party, but verify seller). A perpetual license for Standard Edition costs approximately $60–$80 USD —a trivial price for enterprise-grade protection. or Amazon (Sell via third-party