False religions usually either start with a false prophet, or false teacher, and then usually, eventually, create a false Bible to supplant the real set of scriptures.
For example. The Mormons started with a false prophet (Joseph Smith) and wound up having a set of false scriptures, the Book of Mormon.
Mohammad, a false prophet, eventually had a false set of scriptures, the Quran, to supplant the real Bible. Here is the link to the Wikipedia article that has a more detailed history of the Quran.https://en.wikipedia.org/wiki/History_of_the_Quran
Here is a somewhat abbreviated, bu