Looking for Ransomware protection? Below is a curated list of free Windows programs that offer this feature. Each program links to its full detail page where you'll find system requirements, download links, and a feature breakdown. Free software listed here comes directly from the publisher — no installer wrappers, no bundled extras.
Programs with this feature
How to use:
Menu › Ransomware Protection › Choose protected folders › Blocks unauthorized file changes.
How to use:
Works automatically. Monitors processes attempting to modify files in protected folders. Blocks suspicious file encryption.
How to use:
Protection › Ransomware Remediation › Enable › Bitdefender backs up protected files and blocks encryption attempts.
How to use:
Settings › Protection › Ransomware Protection › Enable monitoring of file changes.
How to use:
Windows Security › Virus & threat protection › Ransomware protection › Controlled folder access › Enable.
How to use:
Settings › Ransomware Protection › Enable › Monitors suspicious file encryption patterns and blocks them.
How to use:
Advanced settings › Ransomware Protection › Behavioral analysis blocks encryption.
How to use:
Protection › Anti-Ransomware › Monitors suspicious encryption patterns › Blocks unauthorized access.
How to use:
Settings › Behavior Guard › Process monitoring › Automatically blocks programs that attempt to encrypt files without permission.
How to use:
protection › Ransomware Shield › Protects selected folders (Documents, Photos) from unauthorized encryption.
How to use:
Protection › Ransomware Shield › Add folders to protect (Documents/Pictures by default) › Blocks unauthorized file modifications.