Malwarebytes
End user guide
You able to down load Malwarebytes from here
Once installed follow the following steps to check for threats.
Step 1 – Double click on the Malwarebytes icon on the desktop
Step 2 – Click the update button
Step 3 – Click on the check for updates button
Step 4 – Once the updates have finished click on the ok button
Step 5 – Sometimes malwarebytes will close after an update. Redo steps 1 to 3 then select Perform Quick scan and click the scan button
Step 6 – Once the scan has completed the following message will be displayed if you have any infections. Click the ok button to continue
Step 7 – remove the listed malware by clicking on the remove selected button
Step 8 – A report will be displayed in a text format. Click on the red cross in the top right corner. You will now be returned to the main page
You may need to run the scan more then once. if you do get any threats then it would be best to do a full scan off your system.
If this was useful or you have other issues that I may be able to help with then please leave a comment.