That set is already out dated. We noticed that the test images from PixelKnow all starte with the same 100+ bytes. That reduced the suspect set further. And images that match the profile posted after Q started talking about stegano are probably from anons. Here is the reduced set:
https://nofile.io/f/SnmADANBz6t/suspect_images.zip
You are welcome to try randomly guessing passwords. But you are not likely to get anywhere like that. We are currently running programs to try to brute force it (which is not guaranteed. There might not be anything there. Or the passphrase may be too long).