Russian Foreign Minister Sergei Lavrov says his mother taught him that sharing private conversations is "indecent."
"What do you call a woman who sleeps with a man for $10 million?" Dmitry Peskov said.
"This is not our job, we left this matter without a response."
"This is not the sort of calls we should be listening to."
Trump also denied the claims, found in unverified memos reported by several media outlets.
Washington's rebuke includes the expulsion of 35 Russian diplomats.
At least 41 people are dead after drinking a bath oil called Hawthorn.