Otome Kagura - Unity.3D unknown compression

[barquetin16]

Hi, can you guys help me with this strange compression from a game call otome kagura, the game is no longer in service, also in the game files the is some files with the .png extension but i can figure it out the type of compression. Thanks in advance.
https://mega.nz/file/yJFU3ZjL#3Oqtgijbk ... TWDddgv6rE

[chrrox]

looks xored.
try viewtopic.php?f=29&t=23228


Sql db decryption

v4 = UtilSecurity__MakeRijindaelManaged(v3->CIPHER_MODE, v3->SIZE, v3->KEY_DECRYPT_STR, v3->KEY_DECRYPT_IV_STR, 0LL);

.bss:0000000002E6E5F8 ; KpyzH6A5rpSeDydpi4Mrc44LsntviqQE - key
.bss:0000000002E6E600 ; A9ashYo2aIaJQLnm - iv
v1->static_fields->SIZE = 0x80;
v1->static_fields->CIPHER_MODE = 2;