^
Yep, Xilosoft should work.
BTW, when it comes to making backup copies of encrypted DVDs, these are two tried-and-true programs:
http://www.dvddecrypter.org.uk/
http://www.afterdawn.com/software/cd...dvd_shrink.cfm
You can also use DVD Decrypter to decrypt and then use your favorite program to convert to .MOV or .mp4.