Microsoft Malicious Software Removal is a standalone malware scanning tool, included as part of Windows. This tool is updated each month, and a quick scan is performed.
A quick scan scans key parts of the hard drive, finding malware in the usual spots. Occasionally malware could be hiding on another part of the drive.
Performing a full scan can help detect hidden malware running on your PC.
To run a scan, hold down the Windows Key on your keyboard and press R. You will be prompted with the run dialog box.
Type in mrt and press enter.
You will be presented with the Windows Malicious Software Removal Tool. Press Next.
Select the option to perform a Full Scan. This may take several hours.
The Microsoft Malicious Software Removal Tool will automatically remove infections it finds. You will be prompted you to run a second scan if infections are found, to ensure they have been fully removed.
Microsoft Malicious Software Removal Tool is not a replacement for Antivirus, but is a great tool to work alongside your current Antivirus to help keep your PC free from malware.