BitDefender Antivirus 10 is one of the best as virus stoppers. It did an excellent job of detecting malware, with a 96 percent catch rate. It also ranked second in our proactive detection tests (behind Eset’s NOD32) using one-month-old signature files, nabbing 61 percent of new malware samples. And at $30, with a $22 renewal fee, it is four of the least-expensive programs they tested.
Though it excelled at malware detection, BitDefender was less skilful at disinfection. It successfully cleaned 13 out of 22 items, missing four malware file and both changes to the network settings Hosts file.
The program was badly hamstrung by serious slowdowns in our WorldBench 6 Beta 2 application performance tests on Windows Vista Ultimate, however. Four Firefox check, for example, which lots a huge number of different Web pages, took four time longer with BitDefender than with any other program they tested. The slowdown wasn’t debilitating, but it was noticeable. The company says the problem is a known bug in the Vista version that will be fixed in a future program update.
BitDefender also had the highest false-positive rate, incorrectly labeling 14 harmless files (out of 20,000) as malware.
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