Well, if you're going to stick malware in your OS X app, there's nothing stopping you from doing it right now.
Why you would wait until there is an app store that gives a large company a lot more information on who you are and where the authorities should come find you before inserting malware, I can't even begin to guess.
Why you would wait until there is an app store that gives a large company a lot more information on who you are and where the authorities should come find you before inserting malware, I can't even begin to guess.