Norton protect quietly reinstalled itself after I ran that tool.
Oracle snuck it onto my system in a java update and I ended up having to dig through the registry and disk to weed it out. It is malware, plain and simple.
Quite a lot, and it’s not just Norton. Google does the same, and pays companies to secretly include Chrome in their installers and auto-updaters, like they included the Google Toolbars before.
Here’s an interview with the VLC developers, where the VLC developers complain how Google tried to get them to secretly install Chrome with it, and offered enormous amounts of money, but they obviously said no: https://www.youtube.com/watch?v=jWx1P93nS0c&t=48s