Asking for Divx Pro without adware is asking for wares, so Im afraid we cant help you, however you can DL a trial copy of DR Divx from divx.com, and that is free for 30 days, and has no evil-ware.
link for Dr. Divx download/freetrial:
http://www.divx.com/divx/?src=toptab...rom_/index.php
Hope that helps.