Adwcleaner problem

I’ve been using Adwcleaner for months to check my computer for malware and stuff, never had a problem till tonight as Avast removed it from my laptop and put it in my virus chest, it just disappeared during a Adwcleaner scan , I’ve never had problems with it before, Adwcleaner is very good in my opinion, why is Avast thinking its a virus for?

Report it >> https://forum.avast.com/index.php?topic=14433.msg1289438#msg1289438