You want to stay legal, go check out this place they will help you. http://www.digital-digest.com/dvd/downloads/encoding_plugin.html
But, everything that comes free in this world, is worth a big zero! Good free stuff, does not exist and yes maybe the decoder will cost you as much as your drive. You made a bad choice and now you will feel the consequences. May the shareware world live forever!!!! Sucker ha!ha!ha!
To pay or not to pay, that is the question! Don't be a scrooge next time.
Those who act make mistakes; and those who do nothing really blunder.