What sort of non-personal data do AVG collect?
Advertising ID associated with your device;
Browsing and search history, including metadata;
Internet service provider or mobile network you use to connect to our products; and
Information regarding other applications you may have on your device and how they are used.
What do they do with this?
"we collect non-personal data to make money from our free offerings so we can keep them free"
Here's what they say about personally-identifiable data:
"We may also aggregate and/or anonymize personal data we collect about you. For instance, although we would consider your precise location to be personal data if stored separately, if we combined the locations of our users into a data set that could only tell us how many users were located in a particular country, we would not consider this aggregated information to be personally identifiable,"
Here's the rub though: they still collect the data and attempt to clean it after the fact. How much do you trust their infrastructure, staff, contractors...? They have just broadcast to the world "hey everyone, we snoop our users and their personally identifiable data...come hack us!". This is a veritable gold mine for malicious players and AVG have painted a target on their back.
So what can you do? Simple: remove AVG and find a new anti-virus solution. My suggestion is to go with either: