The Hurricanes lost for the ninth time in 12 games, getting only a second-period goal from Jiri Tlusty against Chris Mason.
Tlusty's score created a 1-1 tie, but Ladd put a backhander past Cam Ward 6:25 into the second for what turned out to be the game-winning goal.
Winnipeg protected the 2-1 lead until Bryan Little scored into an empty net with 9 seconds left in the game.
Winnipeg won for the fourth time in five games, getting 20 saves from Mason. Ward allowed two goals on 29 shots.
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