Actually on the packaging it is written that the CD is protected with a BIG logo as seen
here and a web address is given ti get "more info" which is
http://www.universal-kopierschutz.de/
The full text translates to something like:
"
This CD is protected against Copying. It is intended to be played on standard CD-players and computer with Windows operating system. More infos at
http://www.universal-kopierschutz.de/
"
FlatQuantum