Avast / AVG are a company that sell your data, also they spy your HTTP Traffic and monitorize.
That is the price you pay, for using free version of AV for long time, people see Avast like a "god" for years, they are famous because of their free version, if they didn't have any free version, until today they are like other AV Company.
Kaspersky, GData, Emsisoft, BitDefender gives 10/0 to Avast/AVG.
Why not sell your data to Marketing companies? Did someone try to create a new email and create account in Avast and AVG and newsletters with the new email?
You will see "other unknown" emails coming out in less 2 weeks. Data shared or selled!? Cof cof
When the AV is free, the product is you. Just like any other free VPN. Don't expect to be treated with full of privacy. Since they need to pay servers, and since you are the product,