Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Please read the forum rules regarding things not to do.

"Warez/Serials/Keys. Do not post software serial numbers or keys or refer people to specific websites or software whose purpose is to break or bypass software licensing methods, distribute cracks, or obtain or use commercial software or media in violation of its license and/or for copyright violation. Do not ask for or give such help."
 
In this case, however, there are legitimate uses for zip file password recovery - for example, recovering one's own zip file. In other words, it's not inherently bad.

OP: please see here for possible help (it's a bit old, but...).
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.