That countermeasure may be firing flares. The MAWS recognizes missiles that target using infrared radiation from the hot exhaust of the helicopter. Flares are very hot flares being shot in a rocket attack from one of the six special containers. The rocket then focuses on this heat in place of the exhaust.
What does MAWS for heat-seeking missiles, missile RWR does that follow the helicopter with its own radar. As a countermeasure is fired chaff. This cloud of a kind of foil that is the missile radar helicopter since. Simultaneously, the helicopter puts a special evasive movement.