Salafism, Salafi movement(noun)

a militant group of extremist Sunnis who believe themselves the only correct interpreters of the Koran and consider moderate Muslims to be infidels; seek to convert all Muslims and to insure that its own fundamentalist version of Islam will dominate the world

Salafism(Noun)

A Sunni Islamic movement that takes the pious ancestors, the salaf of the patristic period of early Islam, as exemplary models.