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Full Version: Madoka Magica Magia Exedra Decryption Help
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I've seen someone post the in-game artwork in spriters resource, as well as live2d models from this game on steam.
I'm just wonder how people are getting access to the files? I can't crack the file encryption and I've been trying since it was officially released.
If anyone can help it would be really appreciated!! 
Smile
I ended up managing to decrypt the files!! The names were also obfuscated.
(04-07-2025, 10:05 AM)mahou022 Wrote: [ -> ]I ended up managing to decrypt the files!! The names were also obfuscated.

I'm trying to figure out how to decrypt the files myself, any clue which script or method you used to decrypt it? Currently I seem to only have access to the assets located in the lobby area of the game, but no character models.
Hey! any progress?

I'm hitting a wall with the decryption process too.

Il2CppDumper doesn't work for me — it fails to dump anything useful.

So I moved on to dynamic analysis with Frida. I can hook the functions just fine, but for some reason I can’t get any arguments or buffer contents out. No idea if that’s because I’m running it in MEmu or something else, but yeah, total dead end there.

Tried XOR brute-forcing some of the files — no luck. And for what look like AssetBundles, I’m pretty sure they’re encrypted with AES and obfuscated on top of that, which makes things even worse.

Funny enough, only the CRIWARE .usm files seem to be left unencrypted… which is kinda annoying, honestly lol.