The icon is a picture of the logo Antivirus Scanner. The icon is what appears to be a large circle with a small arrow shape at the bottom right on the outside. The icon has a picture of something that I can only describe as a microscopic germ in the center.
Related to Antivirus Icon
Related icons are the icons with matching tags, as well as all security icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors