This is Yahoo Booter, Multi Login Bots ID, Single or Multi Victim, 15 option for Yahoo Messengger and Yahoo Chat Client
Make Sure you hoin your bots to the room before Hit Client in CMODE ...( klik 1 times at the "Join" button then wait about 3 second, then Hit "Join" again to make sure your bots joining the room ) ) Settings : This Booter have a settings , Login delay, Packet Delay and Join Room delay change this setting to prevent fast IP Banning by Yahoo...