Welcome to the Security Center Forum,
It appears that your computer is infected with a potentially unwanted program, or PUP. WinRouteD.exe is a process associated with a potentially unwanted program named Online Ad Scanner.
The WinRouteD.exe process uses a high amount of system resources because it will continuously connect to multiple websites in order to collect traffic information in your area. This is what can cause your computer to become slow and sluggish.
In addition, the WinRouteD.exe process and Online Ad Scanner program employ other potentially unwanted programs, including Windows Route Manager and Windows Range Manager.
In order to completely remove the infection from your computer please follow these instructions:
1. Download and Install Malwarebytes Anti-Malware software to detect and remove malicious files from your computer.
2. Open Malwarebytes and click the Scan Now button – or go to the Scan tab and click the Start Scan button.
3. Once the Malwarebytes scan is complete click the Remove Selected button.
4. To finish the Malwarebytes scan and remove detected threats click the Finish button and restart your computer if promoted to do so.
5. Download and Install HitmanPro by Surfright to perform a second-opinion scan.
6. Open HitmanPro and click Next to start scanning your computer. *If you are using the free version you may chose to create a copy or perform a one-time scan.
7. Once the HitmanPro scan is complete click the Next button.
8. To activate the free version of HitmanPro: enter your email address twice and click the Activate button.
9. Click the Reboot button.
10. Download and Install CCleaner by Piriform to cleanup junk files, repair your registry, and manage settings that may have been changed.
11. Open CCleaner and go to the main Cleaner screen. Click the Analyze button. When the process is complete, click the Run Cleaner button on the bottom right of the program interface.
12. Go to Tools > Startup and search for suspicious entries in each tab starting from Windows all the way to Content Menu. If you find anything suspicious click it and click the Delete button to remove it.
13. Go to the Registry window and click the Scan for Issues button. When the scan is complete click the Fix selected issues… button and click Fix All Selected Issues.
Once you have completed the instructions, please let me know. Good luck!