DavidR
22
Whilst I don’t know its exact purpose and how it functions, the name kind of gives us a clue. It has been around for some considerable time, https://forum.avast.com/index.php?topic=100404.0, this topic from 01 July 2012 is almost 3 years old. That is still my best guess and that topic pre-dates these current popups by some years.