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Doing some research into the Super Mario Run .ogg files! by simonmkwii at 9:24 PM EDT on March 13, 2018
Results so far:

Not looking good, I was hoping the files would be decrypted before being loaded into memory, but unfortunately, they are still encrypted in RAM.

See here.

EDIT: They are decrypted in other parts of RAM!!!

I can extract them one-by-one using a hex editor.

edited 9:35 PM EDT March 13, 2018
by mariofan12ify at 9:51 PM EDT on March 13, 2018
If you did that and posted them, I would love you forever.
by simonmkwii at 10:23 PM EDT on March 13, 2018
Update:

I was able to extract all the voice clips and sound effects, but I still cannot locate the music.
by simonmkwii at 11:06 PM EDT on March 13, 2018
The sound effects and voice clips are stored decrypted in RAM, while the music is decrypted and played back in real-time from the files.

The only way to decrypt it would be to intercept the process somehow, or to dump the audio buffer while playing, but we still couldn't get the raw ogg file.
by simonmkwii at 11:20 PM EDT on March 13, 2018
Link to what I've extracted so far.
by bxaimc at 12:17 AM EDT on March 14, 2018
Do you have the whole ram dump? There were a few jingles within those files you posted.

>32khz

hilarious

edited 12:19 AM EDT March 14, 2018
by mariofan12ify at 2:31 AM EDT on March 14, 2018
32khz is still pretty good imo
by 1425720626 at 5:31 AM EDT on March 14, 2018
Is it also possible to find the decryption key in the RAM or somewhere else in the game's files?
by simonmkwii at 6:54 AM EDT on March 14, 2018
It doesn't matter anymore, as I have found an exploit to decrypt all the ogg files!

Release coming by the end of this week.
by simonmkwii at 7:46 AM EDT on March 14, 2018
In the meantime, I'll share what I think is the best song in the game.

The "Remix 10" theme!

Here's the fully decrypted ogg: Download

Also, because I love that track so goddamn much, I decided to enhance / remaster it.

It took me a few hours, but I did the following to improve the quality:

Spectral filtering to remove the OGG compression artefacts.

Expanded frequency response from 32KHz to the full Lossless CD-quality 44.1KHz.

Enhanced the treble and bass for a more punchy sound.

The enhanced version: Download

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