The group, which also includes a French woman and a Norwegian woman, disappeared during diving training off the southern town of Mersing
Malaysian authorities were searching on Thursday for four Europeans, including two Britons, who disappeared during diving training off a southern island.
The divers are a 46-year-old British man, a 14-year-old British boy, an 18-year-old French woman and a 35-year-old woman from Norway.