Copy-X
Redump.info discs with Copy-X (All 3 versions)
General Information
Ring based DRM by optimal media productions and mostly seen on games from German publishers. Comes in 3 versions each which require different methods for dumping.
Identification
In general the DRM can be identified by the presence of a physical ring often near the edge of the disc as well as a series of dummy files housed in a folder called ZDATA. The dummy files themselves have no consistent naming but often have the file ending ".x64". In addition, all Copy-X discs are made by the same plant and should have mastering SID IFPI L571-L580.
As for how to identify individual versions of Copy-X, see dumping below.
Dumping
Version 1
The first (example) can be identified by having a single data track. These should be treated as normal ringed discs and dumped using the Ringed Disc Dumping Guide.
Version 2
The second combines Copy-X and Bitpool (example) and can be identified by having the same track structure as the later. Dumping method for these are currently being researched
Version 3
The third can be identified by having a series of audio tracks following the data track (example). These discs are unique in that they carry "fake" rings consisting of C2 errors in a way that resembles CodeLok / CopyLok more than anything. Two invincible ones covering ~150 sectors in the data tracks corresponding to the dummy files and one visible located in said audio tracks covering ~9000 sectors.
Like CopyLok its possibly for a drive to force its way through these errors. At the moment though it requires a H353B/D163B running kreon firmware (A H353C/D163C running ZZ00 might work but is untested) and the guide below.
Step 1: Put the disc in the Kreon and run (standalone) redumper with the --force-split --verbose commands. The end result should be a BIN with a lot of C2, ~150 sectors replaced by 0x55 and possibly a varying number of sectors with bad sync following the EDC. Note down the first sector with C2 corresponding to the audio tracks as well as the last continues sector with C2 (There might be some loose ones after it that you can ignore).
Step 2: Repeat step 1 with a second dump. If the hashes for the audio tracks match the first dump (Data track will likely not) move on to step 3. If not, keeping dumping until you get 2 with matching audio tracks
Step 2 (Alternate): If you are having serious issues getting matching dumps for the audio tracks. Download Ringlock and run it with the check -drive=[Drive Letter] -c2-size=1 -retries=0 -skip-range=200 parameters. Then input the skip command it creates corresponding to the Audio tracks into Redumper (Ignore any other skip command. This skip will also be the range for your audio errors). Repeat this process and make sure you got two dumps where the audio tracks matches. Note, this alternate step should be treated like a fallback and only be done if you failed step 2 after something like 10 attempts.
Step 2.5: If the data tracks do after all match between the dumps as well and no bad sync is present. Skip to Step 6.
Step 3: Start CDarchive (See Step 4 of the Ringed Disc Dumping Guide on how this program works) and have it read the disc backwards from the last sector with bad sync. If nothing goes wrong, it should be able to get rid of them all. Ignore the EDC errors and merge the result into the BIN a per step 5 of the ringed dumping guide.
Step 5: Repeat the process on the second dump from step 2 and make sure the data track now matches alongside the audio tracks.
Step 6: Run ECCEDC checkex on the dump as per step 7 of the Ringed Disc Dumping Guide. Note down the ranges of sectors with 0x55 in the dump. It will likely be two totalling around 150 sectors.
Step 7: Use MPFcheck on one of the dumps and add both the audio C2 range from step 1 (or the skip command created by Ringlock in alternate step 2) and your 0x55 ranges from step 6 to comments (example). Fill in and submit as normal but also add the ECCEDC output from step 6 to the logs and if you used Ringlock to get the size of the audio error range. Please note this down as well in comments.
Additional Information
A possibly 4th version of the DRM made for DVDs should exist to. But no example has yet been found.