rtlservice.exe is a program which is probably NOT a virus or malware. So, if rtlservice.exe is on your system, it is probably ok, and will NOT be a cause for concern. Even if your PC is virus-free, it is still recommended to run a well-known antivirus with a good detection rate, in order to yourself your PC against threats.
Usually, the default filename and directory where the application is stored is
C:\Program Files (x86)\D-Link\DWA-123\RtlService.exe.
The MD5 checksum for this executable is 100817619f5ae04074d10427b3a7456a.
This application is registered as a Windows service. This means it operates on your system in background, usually without displaying any user interface to you. Most Windows services are legit programs, which provide useful functions to other programs or to the Windows Operating System.
This app runs as a 32-bit program. It can not exploit the entire set of features of current PC CPUs. This ordinarily happens because the publishers did not bother to upgrade it to 64-bit code.
The description extracted from the file is Realtek RtlService Application.
File version stored as a property 700, 1007, 509, 2012.
Producer Realtek Semiconductor Corp..
Legal copyright notice Copyright (C) 2010-2012 Realtek Semiconductor Corp. All rights reserved..
Some unusual functions of the Operating System appear to be used, such as functions for tapping the keyboard. We recommend you to perform more in-depth research about this program.
A digital certificate is missing from this program. The maker did not sign it. This is usually bad.
It has an uninstall routine, which is a good sign. si are uninstall.