Cheesing means using an unintended, overpowered, or exploitative tactic to easily bypass a difficult encounter. It requires minimal skill, circumvents the game's normal design, and is often considered a cheap or unfair shortcut
Download link: Download You see? There is no link. I do not want to share it publicly. If you want to try JailCheeser yourself you know how to contact me.
Is it bannable? Ask yourself. Don't you know how to behave without being given the rules?
Is it a virus? A malware? A rat? The annoying part of that question is that a bare 'no' has no evidential value. If you don't already trust my judgment, my answer alone shouldn't convince you. The only useful discussion is about the evidence that supports or refutes the claim.