During this process it may optionally modify or disable the DVD region code or the User operation prohibition features of the copied data.
The previous lack of an OS X equivalent to the PC software DVDShrink gave this standalone DVD ripper widespread popularity among Macintosh users.
The latest version, v4.2.7, is available at the MTR-4 forum, which is accessible only after a registration with, and an approval from, an administrator.
The creation and distribution of MacTheRipper may violate the anti-circumvention laws which the U.S. and EU have adopted as part of the WIPO Copyright Treaty.
In a case against the maker of a program similar to MacTheRipper, the court found that "the downstream uses of the software [...], whether legal or illegal, are not relevant to determining whether [the manufacturer] itself is violating the statute.