Instant Support is an adware program that appears on browsers. The icon appears to be a man with a blue hat and a white shirt.
PayloadEditIt first adds adware to the user's browser, causing the adware to lag the user's browser. It then reads and spies on all internet browser activity, and then it asks the user to call their "instant support" line.
It sometimes come packed with a rogue program, PCAcceleratePro.