I remember mcAffee webadvisor came preinstalled with a crappy asus vivobook i got when i was younger, i could not delete it, i had to manually remove the files from the programfiles folder but it reinstalled itself every time it updated, the laptop bricked itself recently anyway so it doesn't matter.
You can bet your ass they paid a lot of money to get their malware on your computer. It should be illegal to load consumer hardware with 3rd party bloatware that can't be removed.