Avast Cleanup is a new optimization tool which replaces the old GrimeFighter product that clears disk space and speeds up your system. About Cleanup. Download Avast Free Antivirus on your Windows, Android, and Mac. World- leading antivirus, compatible with all Windows operating systems. Free forever. Download and try Avast programs free of charge and get full access to all product functions and technical support for a 30-day trial period. How to use Cleanup in Avast 2016. Avast Cleanup is an optimization tool which replaces GrimeFighter. Cleanup optimizes your system by finding and removing.
In version 2016 of Avast Antivirus, the Avast GrimeFighter feature is upgraded to Avast Cleanup. If GrimeFighter was activated and your license is still valid.