Is it possible to replace the punishment in my case?
There is a way actually but only a few were unbanned. Refer to what Theymos said:
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I don't believe in a "strict rule of law"; even if it's written somewhere that "copy/paste = permaban", I'm willing to relax that on occasion. If you're going to be a net positive to the forum going forward, then I probably want you here, even if you've made past mistakes. But someone who at any point copy/pastes garbage like this has proven that they have an utterly broken mindset when it comes to the forum, and I have a really hard time believing that such a person will be a net positive going forward.