Hello Rucandruc,
Thank you for contacting Steam Support.
We apologize for the delay.
The Steam Support Team provides assistance with technical issues only.
We have confirmed that the ban on the account was applied legitimately and it cannot be removed.
Any future messages regarding the VAC ban on this account will be closed without a response.
If you choose to purchase a new copy of the VAC banned game(s), please create a new Steam account to register the game(s) on.
For more information on Valve's policies, please see the Steam Subscriber Agreement and the Rules of Steam Online Conduct: