Reading the VAC rules might have prevented you from making this thread in the first place.
https://support.steampowered.com/kb_...7849-Radz-6869
Lets see:
Rules posted:
All VAC bans are permanent - Valve has a zero-tolerance policy for cheating and will not lift VAC bans under any circumstances.
So no, you can't get unbanned ever (not sure if it ever happens though, does it?)
Rules posted:
Will I be punished for any cheating or fraud conducted by other users while playing my games?
Your Family Sharing privileges may be revoked and your account may also be VAC banned if your library is used by others to conduct cheating or fraud. In addition, VAC-banned games cannot be shared. We recommend you only authorize familiar Steam Accounts and familiar computers you know to be secure. And as always, never give your password to anyone.
Any game with a VAC ban will not be able to be shared.
Edited:
I should go to law school 
Edit:
Considering he was permabanned nine days ago and has no way of reading this thread, I'm not sure about that.
Yeaaah, probably right.