Pictures were believed to have been taken in the Pahang area of western Malaysia, the MailOnline reported.
State police boss Datuk Rosli Abdul Rahman said rumours circulating about the existence of the creature were untrue.
He said: "Checks revealed the images were downloaded from the internet before it was shared on social media, claiming that the discovery was made in Pahang.
"I hope the public will stop circulating news about the alleged discovery."