(Firefox didn't get it automatically, and there isn't a version for Safari.) SiteAdvisor warns you of possibly malicious web pages and suspicious search results and also scans downloads for threats. Both its menu-bar icon and its home window show your system's status, but if you want to start a scan, you'll need to click up to three times, which is three times as many clicks as it should take.ĭuring installation, the software will install the SiteAdvisor web plug-in in Chrome. McAfee AntiVirus Plus makes you click around more than you should to perform simple tasks. McAfee AntiVirus Plus (for Mac): Interface Still, that's less than half of Sophos' full-scan completion time of 2:56, but much longer than Malwarebytes' blink-and-you-miss-it full-scan time of 16 seconds. On average, McAfee's full scans took 1 hour and 17 minutes, so you'd spend a while waiting to notice said slowdown. (McAfee AntiVirus Plus doesn't offer a quick scan for Macs.) Most of the programs got a two-digit performance slowdown - from Norton at 13% to Kaspersky at 41% - and only Sophos (7%) had a one-digit bump. That's the biggest performance slowdown during a full scan that we saw.
During a McAfee full-system scan, the VLOOKUP test finished in 5 minutes and 15 seconds, signifying a performance dip of 47%.
