Here is the official government website, which seems to believe they haven't started counting:
https://resultados2017.cne.gob.ec/frmResultados.aspxHere is El Universo, indeed reporting that Moreno leads 51-49 with 93% reporting, but most of the provinces are still under 50%, which seems suspicious to say the least:
http://www.eluniverso.com/resultados-elecciones-ecuador-presidente-2017El Universo's Twitter account is showing pictures of Lasso's supporters celebrating the results of the exit polls in the streets of Quito; would be darkly amusing to say the least if he ended up losing.