Nora Quoirin’s body was discovered last month about 1.6 miles from the jungle resort of Dusun, where she had been on holiday with her parents and two siblings.
The 15-year-old’s family have strong connections to Derry where her mother and French father first met at the Magee campus.
Hundreds of people were involved in the search operation.
The teenager – who was born with the brain defect holoprosencephaly – and was described by her family as “vulnerable” – disappeared on August 4.
Her family believe she was abducted, insisting she would not have wandered off by herself.
However, police in Malaysia said they have so far found no evidence of abduction or kidnapping.
A post-mortem examination revealed Nora died from internal bleeding probably caused by hunger and stress.
In a statement after her remains were found, her family thanked the 350 people who had been hunting for Nora in dense jungle near the resort.
They added: “Nora has brought people together, especially from France, Ireland, Britain and Malaysia, united in their love and support for her and her family.
“The cruelty of her being taken away is unbearable. Our hearts are broken.”
Nora lived in London and was the daughter of French-Irish parents Sebastien and Meabh Quoirin.
Her funeral will take place next Tuesday, September 10, at St Brigid’s Church in south Belfast, where she was baptised.