Files with ruf file extension can also be found as firmware files for Samsung DVD / Blu-Ray devices. These are typically installed through USB flash drive.
There is one other file type using
the RUF file extension!
.ruf - ProWORX tables reference data
RUF file extension - Samsung DVD and Blu-ray player firmware
What is ruf file? How to open ruf files?
File type specification:
The ruf file extension is used by Samsung for firmware update files for DVD and Blu-Ray devices. Firmware is installed through USB flash drive, where must be copied .ruf firmware file and plugged to USB port on Samsung device.