DJI violated GPL while modifying the source code to busybox ftpd in order to add AES functionality. This code works around the AES methods to provide readable cleartext files.
Windows users can use the attached .zip file which includes the dji_ftpd_descrambler.exe standalone executable
Please see the README for usage instructions.
https://github.com/MAVProxyUser/DJI_ftpd_aes_unscramble/blob/master/README.md