Kigen's Anti-Cheat

so i downloaded a custom look for my m4 gun. and i joined a server and it said iw as kac banned. now i join other server, and it says same thing. and i do not know what is happening. i delete the file cause it is only thing i download. now i join this "wow" server? and it says

Disconnect: You have been banned from all KAC secured servers for a cheating infraction. See http://www.kigenac.com/ for more information.
Disconnect: You have been banned from all KAC secured servers for a cheating infraction. See http://www.kigenac.com/ for more information.

then i look in banlist thing and it told me
Checking 'STEAM_0:1:21846812'...
Steam ID is on the banlist.

what do i do?

Your KAC ban originates earlier this year, unfortunately, I cannot find the record for you ban. So I am removing it.