Random "Thank you for using Avast Antivirus"

It randomly popped up when I wasn’t even using my computer, I didn’t do any kind of update, I have no idea if it’s legit or not, it’s coming from AvastUI.exe and the correct origin location but I don’t know why, I didn’t do a restart or an update, is this a new tactic?

Oh, I think it had something to do with my avast being re-registered.