Effectiveness
ClamAV is currently tested daily in comparative tests against other antivirus products on Shadowserver. In 2011 Shadowserver tested over 25 million samples against ClamAV and numerous other antivirus products. Out of the 25 million samples tested ClamAV scored 76.60% ranking 12 out of 19, a higher rating than some much more established competitors.
ClamAV was included in comparative tests against other antivirus products. In the 2008 AV-Test it rated: on-demand: very poor, false positives: poor, on-access: poor, response time: very good, rootkits: very poor.
In a Shadowserver six-month test between June and December 2011 ClamAV detected over 75.45% of all viruses tested, putting it in fourth place behind AhnLab, Avira, BitDefender and Avast. AhnLab, the top antivirus, detected 80.28%
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