I have this a a few other of the same files that are only ACB's but dont have the AWB coupled with it i was able to extract them but i don't know what the File type in side them are.
EDIT: whoops, wrong kind of thread to put this in, I apologize... what the message was is now here: https://hcs64.com/mboard/forum.php?showthread=22828&showpage=18