Trend Micro Ransomware File Decryptor review
A free Windows decryptor with broad family coverage, but recovery depends on the infection.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Trend Micro Ransomware File Decryptor is a downloadable Windows utility for people trying to recover files encrypted by supported ransomware families. It lets users select a family manually or ask the tool to attempt identification from a file signature, then scan and attempt decryption on a file or a folder. Its coverage spans named families including CryptXXX, TeslaCrypt, CERBER V1, Crysis, WannaCry (WCRY), and Petya, making it a fit for Windows users who can identify a likely strain or need to check a range of legacy families.
Its workflow offers two useful paths into recovery: family selection when the strain is known, or signature-based identification when it is not. Users can target an individual file or process folders recursively, and the utility creates logs of the decryption process. For some families, it requests a matching clean and infected file pair. It can also repair certain Office file formats after decryption. These options make it more adaptable than a tool limited to a single file or one identification path, but they do not ensure that encrypted files can be restored.
Recovery is explicitly conditional: Trend Micro says effectiveness varies by family and infection conditions, and some files may be only partially recovered. The downloadable executable was uploaded on November 16, 2017, while the related support article was last updated September 30, 2024. The utility is free, but it should be treated as a targeted recovery attempt rather than a dependable substitute for intact backups. Choose it if you use Windows and its supported families match the incident; look elsewhere for a different operating system or strains outside that coverage.
Trend Micro Ransomware File Decryptor pros and cons
- Where it wins
- Supports a long list of named ransomware families.
- Offers manual selection or signature-based family identification.
- Processes individual files or folders recursively and creates logs.
- Where it doesn't
- Decryption results vary by family and infection conditions.
- Some files may be only partially recovered.
- Some families require a matching clean and infected file pair.
Trend Micro Ransomware File Decryptor fact sheet, pricing and score →
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