The name VIA Hyperion 4in1 drivers was introduced on 6th December 2002. Before that time, VIA developed a driver package named VIA 4in1 drivers or VIA 4in1 service pack, which was essentially the same package of drivers. The VIA Hyperion 4in1 drivers continue that tradition, and have retained the version naming sequence.
VIA Hyperion 4 in 1 driver includes four system drivers to improve the performance and maintain the stability of systems using VIA chipsets. These four drivers are: VIA Registry (INF) Driver, VIA AGP VxD driver, VIA ATAPI Vendor Support Driver and VIA PCI IRQ Miniport Driver.
Here's other similar drivers that are different versions or releases for different operating systems: