...Sadly from what I understand, it is not a free tool, but does have a 30 day free trial.
That is correct. Sophos Clean is built on HitmanPro technology but not intended for the Home user..
...we’ve built Sophos Clean on top of the cutting-edge HitmanPro technology, using progressive behavior analytics, forensics and collective intelligence to discover and remove all traces of malware threats that your antivirus might miss.
Got malware? Get Sophos Clean
4. Is Sophos Clean intended for home use?
No. It can only be purchased in a minimum of 5 user licences to aim it solely at the business space. HitmanPro continues to be available from Surfright for consumers.
Sophos Clean: Frequently Asked Questions
Sophos Clean is available for SMB customers only, however, you can use SurfRight (a Sophos company) Hitman Pro which is still available for home users.
Sophos Clean and HitmanPro are...Two names for same product.
erikloman, Developer Post #7147
Sophos Clean and HitmanPro use the same license. You can scan for free ALWAYS, cleaning is free for 30 days. Cleaning after 30 days requires paid license. Same for both products.
erikloman, Developer Post #7143