all in/out traffic goes true avast webshield…so MBAM see this as coming from avast…not correct :wink:
you are not the first one to ask, so many topics if you search

and here is some info about how/what MBAM block and why when surfing the net

Oh, the Sites You Will Never See
http://blog.malwarebytes.org/development/2013/05/oh-the-sites-you-will-never-see/