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"License keys" from these sites are often blacklisted immediately. Secure Alternatives Use the official F-Secure free trial to test
The malware began scanning his computer for saved passwords and banking details. all his personal documents were encrypted
A week later, all his personal documents were encrypted, and a demand for payment was made. but he ignored it
He downloaded a file labeled F-Secure_Crack_18.5.exe . Immediately, his browser warned him the file was dangerous, but he ignored it, eager for the "free" tool.
Here is a story highlighting the risks associated with such searches: The "Free" Protection Trap