The scan result:
[Feb 20 19:13:51]Preparing a new scan.Done.
[Feb 20 19:13:51]Remote scan of public facing site only available to paid membersPaid Members Only
[Feb 20 19:13:53]Check if your site is being Spamvertized is for paid members onlyPaid Members Only
[Feb 20 19:13:55]Checking if your IP is generating spam is for paid members onlyPaid Members Only
[Feb 20 19:13:57]Scanning your site for the HeartBleed vulnerabilitySecure.
[Feb 20 19:14:05]Fetching core, theme and plugin file signatures from WordfenceSuccess.
[Feb 20 19:14:07]Fetching list of known malware files from WordfenceSuccess.
[Feb 20 19:14:08]Comparing core WordPress files against originals in repositorySecure.
[Feb 20 19:14:08]Skipping theme scanDisabled [Visit Options to Enable]
[Feb 20 19:14:08]Skipping plugin scanDisabled [Visit Options to Enable]
[Feb 20 19:14:08]Scanning for known malware filesSecure.
[Feb 20 19:15:19]Scanning file contents for infections and vulnerabilitiesSecure.
[Feb 20 19:15:19]Scanning files for URLs in Google's Safe Browsing ListSecure.
[Feb 20 19:15:28]Scanning posts for URL's in Google's Safe Browsing ListSecure.
[Feb 20 19:15:28]Scanning comments for URL's in Google's Safe Browsing ListSecure.
[Feb 20 19:15:28]Scanning for weak passwordsSecure.
[Feb 20 19:15:28]Scanning DNS for unauthorized changesSecure.
[Feb 20 19:15:29]Scanning to check available disk spaceSecure.
[Feb 20 19:15:29]Scanning for old themes, plugins and core filesProblems found.
[Feb 20 19:15:29]Scan complete. You have 1 new issues to fix. See below.Scan Complete.
And the problem to fix according to the scan is an update to a not activated theme: Baris
The theme I am using is Blue Line