try Zip password tool (portable)
Code:
http://rapidshare.com/files/80669637/Zip_Password_Tool_v1.6_portable.rar
or
Code:
http://rapidshare.com/files/69277061/Advanced.Archive.Password.Recovery_v3.01.build_7.zip
or
Code:
http://rapidshare.com/files/71997618/WinRAR_Password_Cracker_4.12.rar