As far as I know, it is part of the smartscan unless you have the standalone version of the BCU installed.
Thank you for answer.
What is the BCU?
I found afb_endpoint_premium. PDF file.
This file contains the browser clean-up function.
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BROWSER CLEAN-UP (PC ONLY)
Deletes annoying and unwanted toolbars or plug-ins that slow
down or hijack browsers.
=======================
Previous client versions had a browser cleanup, but the program GUI changed and disappeared.