This is the Realtek driver for the USB 2 card reader driver. Note from the hardware ID that this was released in 2008 for a 64bit system. Always scan files you download from the internet with a malware scanner and also ensure that old files are removed with. Also check that your anti-virus is updated.
Note the hardware ID’s listed below that this was designed for a Vista 64bit system.
VENDOR=”Realtek Semiconductor Corp.”
MfgName=”Realtek Semiconductor Corp.”
DriverName=”Realtek Vista x64 Multi-LUN USB Mass Storage Driver”
RTSTOR.SvcDesc = “Realtek USB 2.0 Card Reader”
USB\VID_0BDA&PID_0103.DeviceDesc = “Realtek USB 2.0 Card Reader”
Note: There is a Windows 8 (64 bit) driver listed here from Lenova.