No. Avast discontinued lifetime licenses in 2015 for consumers. Some legacy users still have them, but new ones are not issued.
Avast uses multiple layers of license validation: avast premium security license file 2038 exclusive
A file claiming to be valid until 2038 will fail signature validation within Avast’s current builds. If you disable Avast’s self-defense to apply a crack, you’ve already lost. A file claiming to be valid until 2038
Using unauthorized license files poses severe security risks, ironically often compromising the very security the user is trying to establish. you’ve already lost.