1. Insert your USB disk, then start scanning automatically. If there is virus in your USB disk, the red circle will notice you and the Popup window will play in the middle at the same time, you can choose to fix it right away.
2. You can also use floating window to open and remove USB disk safely.
3. Click deep virus scan to execute completely scan.
4. You can set scan in the background and prompt when there are risks.
How to use 360 Total Security USB Protection