Help with Malware Blocked notification that cannot be removed from screen

Part 1 of 2

Thanks to a long standing contributor @John Galt  to remove this Malware. 

Restart the computer in Safe Mode

Then follow the instructions in link below

About those "<app> will damage your computer" messages

Part 2 of 2

Get rid of com.skype.skype.shareagent.plist Application as Microsoft will shut this service Off in May 2025

Get rid of this Application AVG AntiVirus    >> Useless

com.avg.hub.plist

com.avg.tuneup.plist

com.avg.tuneup.update.plist

com.avg.userinit.plist

You are welcome

From yet another contributor

Adware and malware can affect computers and are often downloaded from “shady” websites or developers who inject them into downloads.

Source: User tip from @ Kurt Lang

What is malware? - Apple Community