TCPDF error: Not a GIF file: Sitemap AVAST’s detection and cleanup performance is very impressive for a free antivirus program, and many reviews have scored AVAST higher than some popular commercial programs; tests carried out by independent antivirus company AV-Test have shown AVAST’s free antivirus Software as matching, and in some cases beating, some of the most popular and well known commercial antivirus Software on certain tests. AV-Test’s report found AVAST’s free edition to detect 100% of the 5000 widespread Malware samples, with similarly impressive results reported throughout the review.