MediaTek uses "MTK USB Drivers" and Exynos uses "Samsung USB Drivers." Installing Qualcomm drivers will not harm your PC, but your PC will not recognize a MediaTek device.
If the file is in a ZIP format, extract it using 7-Zip or WinRAR. qualcomm usb driver v1.0.exe
OEM engineers and security researchers use proprietary Qualcomm Diagnostic Mode (DM) to log modem or DSP events. MediaTek uses "MTK USB Drivers" and Exynos uses