It was a "blatant paste" of an older open-source cheat (resembling older hacks like NaCl or Seowned) that contained malicious code.
Are you asking about a specific creepypasta, or was this a file you encountered online? seowned.zip
It was often promoted in YouTube videos designed to trick players looking for free cheating tools, serving as a cautionary tale against downloading unknown executable files. It was a "blatant paste" of an older
It was marketed as a free cheat or hack for Team Fortress 2 around 2021. seowned.zip