I wrote to Michel Sassano (https://www.freecodecamp.org/news/lets-enhance-how-we-found-rogerkver-s-1000-wallet-obfuscated-private-key-8514e74a5433/).
He says that there might be enough information to decode the private key.

[/b]Let's play a game - I'm offering 0.1BTC to whoever comes up with decoding software for my attached photo.[/b]