Hi. Not sure what "VaMExtractor" is, I assume you meant "VaMExporter". All my stuff is here on the Hub.
The scripts you are looking for are part of the example project here:
After some people essentially begged me to do it, I spend several evenings this week and the this entire Saturday on writing a tutorial on Unity AssetBundles. It ended up to be an 13 page PDF of 2700 words. Lots of pictures, obviously. This...
hub.virtamate.com