How to remove referrer spam (The .Htaccess code)

Htaccess.txt

RewriteEngine on
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*semalt\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Darodar\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Priceg\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*7makemoneyonline\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Buttons-for-website\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Ilovevitaly\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Blackhatworth\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Econom\.co [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Iskalko\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Lomb\.co [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Lombia\.co [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*hulfingtonpost\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*cenoval\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*o\-o\-6\-o\-o\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*humanorightswatch\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*simple\-share\-buttons\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*sharebutton\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*s\.click\.aliexpress\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*social\-buttons\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*anticrawler\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*site12\.social\-buttons\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*adcash\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*adviceforum\.info [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*anticrawler\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*blackhatworth\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*cenokos\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*cityadspix\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*edakgfvwql\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*gobongo\.info [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*iskalko\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*kambasoft\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*luxup\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*myftpupload\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*prodvigator\.ua [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*resellerclub\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*savetubevideo\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*screentoolkit\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*seoexperimenty\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*slftsdybbg\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*socialseet\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*superiends\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*vodkoved\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*websocial\.me [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*ykecwqlixx\.ru [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*76brighton\.co\.uk [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*paparazzistudios\.com\.au [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*powitania\.pl [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*sharebutton\.net [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*tasteidea\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*descargar\-musica\-gratis\.net [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*torontoplumbinggroup\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*cyprusbuyproperties\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*4webmasters\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*ranksonic\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*best\-seo\-solution\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*get\-free\-traffic\-now\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*googlsucks\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Buttons\-for\-your\-website\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*Best\-seo\-offer\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*offers\.bycontext\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*www1\.social\-buttons\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*website\-errors\-scanner\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*free\-share\-buttons\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*theguardlan\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*buy\-cheap\-online\.info [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*netvibes\.com [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*guardlink\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*securesuite\.co\.uk [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*securesuite\.net [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*sitevaluation\.org [NC,OR]
RewriteCond %{HTTP_REFERER} ^https?:\/\/([^.]+\.)*forum20\.smailik\.org [NC]
RewriteRule .* - [F]