Gardening gloves! Gardening gloves are the solution to (almost) all handling problems. Most especially handling problems that involve you and your snake being scared of one another.
(But it's very likely that he just went into shed. I have several animals that do the Dr. Jekyll/Mr. Hyde thing whenever they go into shed. Keep an eye on him for the next week. If his eyes turn cloudy and blue, then it's just a shed cycle. Dump out some water in the bedding or mist the tank daily to boost the humidity. He should cheer up again after he sheds.)