Download Ewido and install it. Then run, you will receive a warning message saying "Database not found", click "OK" for this. Next in the main screen, click "Update" and click "Start Update". After the update process, click on the "Scanner" button in the left menu, then click on the "Start" button.
If ewido finds anything, it will pop up a notification. You can select "Clean" and check the boxes "Perform action with all infections" and "Create encrypted backup" before clicking on OK.