: It may be a collection of icons, CSS files, or JavaScript libraries bundled together for a project.
: Look at your browser's download history to see which website originally triggered the download of "resources.rar".
Here are the most common scenarios for what this file might contain:
: The [1] usually indicates that your browser downloaded a file named resources.rar and, because a file with that name already existed in your downloads or cache, it renamed the new one to avoid a conflict.
: Right-click the file and run a scan with Windows Defender or Malwarebytes.