Examine source code of ESET_Virenscanner

{
  "theme": {
    "images": {
      "theme_frame": "ESET_Persona6.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "ESET_Virenscanner",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/9d6e969f3f546099415e7299ed86a6639a294a835f866b6e62626509ce1efe67/http%3A//www.eset.de\" rel=\"nofollow\">www.eset.de</a>"
}