Moreno, who took office this month, has struck a more critical tone toward Assange than his predecessor, Rafael Correa, who said earlier his country had "done its duty" by granting Assange asylum in 2012.
"Mr Assange is a hacker. That's something we reject and that I in particular personally reject," said Moreno, who warned Assange during the presidential campaign to "not interfere" in Ecuadoran politics.
"But I respect the situation in which he finds himself," holed up in Ecuador's embassy in London, Moreno yesterday said.
However, British police have said they still intend to arrest Assange if he leaves the London embassy after he violated the terms of his probation in Britain in 2012 when he took refuge in the diplomatic mission.
"It seems the British government is not going to grant safe passage, meaning that Mr Assange can continue living in the Ecuadoran embassy, and we will respect that condition," Moreno said.