A behavior blocker would cause quite a lot of false positives or would bother the user to make a decision him/herself every while and then. Our aim is to keep ESET install-and-forget, without asking the users for an action. The more questions, the higher probability of wrong decisions and subsequent infection. ESET leverages a handful of advanced technologies explained at https://www.eset.com/int/about/technology/ to achieve maximum protection without nagging the user or causing false positives.