Avast behavior shield bit slow to react on ransomwares.Pls make it more quick by tweaking it.
The technology is from avg and its a little new in Avast so give it time.
If you have any specific samples that IDP misses please post virustotal links here so Avast! Team can look and try to respond to your call.
They always work hard to improve the product but just plain suggestions don't help them when it comes to protection.