| Risk Level | Threat Description | |------------|--------------------| | | Malware/Ransomware – Many "keygen.exe" files contain RedLine stealer or ransomware. A 2023 report showed 38% of cracked software installers contained trojans. | | Medium | Botnet recruitment – Your PC could become part of a DDoS botnet without your knowledge. | | High | Data leakage – Cracks often disable firewall rules, allowing your personal files (scanned by Duplicate Cleaner) to be exfiltrated. | | Low but annoying | False positives – Cracked versions may corrupt the duplicate database, causing you to delete the wrong files. |

Files from unofficial sources frequently contain malware or trojans that can compromise your data.

Duplicate Cleaner Pro - Free download and install on Windows

will continue to work indefinitely for that specific version. DigitalVolcano Software If you bought Version 4 after January 2020 , you might be eligible for a free upgrade to Version 5. Check your eligibility on the DigitalVolcano Download Page 3. Official Purchase

What didn’t go well (license-key update)

The "405" update specifically patched several scanning crashes on Windows 11 and improved UI responsiveness when handling over 100,000 files.