Common referral spambots that appear in Google Analytics reports. More information on how to use this list: http://gearside.com/stop-spambots-like-semalt-buttons-website-darodar-others/

common_referral_spambots.txt

100dollars-seo.com
4webmasters.org
7makemoneyonline.com
aliexpress.com
anticrawler.org
best-seo-offer.com
best-seo-solution.com
bestwebsitesawards.com
blackhatworth.com
buttons-for-website.com
buttons-for-your-website.com
buy-cheap-online.info
cenoval.ru
dailyrank.net
darodar.com
depositfiles-porn.ga
domination.ml
econom.co
event-tracking.com
free-share-buttons.com
free-social-buttons.com
generalporn.org
Get-Free-Traffic-Now.com
googlsucks.com
guardlink.org
hol.es
howtostopreferralspam.eu
hulfingtonpost.com
humanorightswatch.org
ilovevitaly.co
ilovevitaly.com
ilovevitaly.ru
iskalko.ru
kambasoft.com
kidokey.net
lomb.co
lumb.co
o-o-6-o-o.com
o-o-8-o-o.com
makemoneyonline.com
myftpupload.com
priceg.com
pornhub-forum.ga
pornhub-forum.uni.me
pornhubforum.tk
rapidgator-porn.ga
sanjosestartups.com
savetubevideo.com
scansafe.net
semalt.com
semaltmedia.com
seoairport.com
seoanalyses.com
simple-share-buttons.com
sitevaluation.org
social-buttons.com
superiends.org
theguardian.com
theguardlan.com
torture.ml
trafficmonetize.org
uni.me
webmaster-traffic.com
websites-reviews.com
youporn-forum.ga
непереводимая.рф

Another good spam blacklist on GitHub: https://github.com/piwik/referrer-spam-blacklist