It is not correct to view the world as evil or corrupt, as the world is a beautiful and perfect image of divinity. Though the perfection of the Soul through virtue involves a moving away from base physicality, the world we inhabit is holy and good.
In the Neoplatonic "pagan catechism" called 'On the Gods and the World' from the 4th century, Sallustius defines the four virtues as Wisdom, Courage, Temperance, and Righteousness; and the four vices as Folly, Cowardice, Intemperance, and Unrighteousness.