Malwarebytes vs McAfee
McAfee is one of the oldest names in consumer antivirus, generally known for broad security suites often preinstalled on new Windows PCs, bundling antivirus with firewall, identity protection and VPN features. Malwarebytes took a narrower starting point — anti-malware detection focused on catching threats other engines missed — and built outward from there.
As with any vendor comparison, we won't cite specific detection percentages or lab scores here since those figures shift between test cycles and we don't have live access to current results.
Where each generally fits
| Aspect | Malwarebytes | McAfee |
|---|---|---|
| Core identity | Anti-malware scanner with an added real-time suite tier | Legacy full antivirus suite vendor |
| Common distribution | Direct download, standalone install | Often preinstalled or bundled with new PCs |
| Typical extras | Web protection, exploit mitigation, ransomware monitoring | Firewall, identity monitoring, VPN (suite-dependent) |
| Free option | Manual on-demand scanner | Trial periods more common than a permanent free product |
A common real-world scenario
Many Windows PCs ship with a preinstalled McAfee trial that later expires or gets uninstalled. In that gap, Windows Security typically becomes the resident antivirus by default. Users in that position sometimes add Malwarebytes Free for occasional cleanup scans, or upgrade to Malwarebytes Premium if they want continuous protection without renewing the original suite subscription.
What to check before deciding
If you're actively comparing the two, look at what's included in the specific tier you'd actually buy — feature lists differ meaningfully between a base McAfee plan and its higher suite tiers, and the same is true across Malwarebytes' free and premium tiers. Independent lab results from organizations like AV-Comparatives or AV-TEST are a better source for current detection performance than any marketing page, including this one.
Frequently asked questions
Should I uninstall McAfee before installing Malwarebytes?
You generally don't need to uninstall a suite to run Malwarebytes Free's manual scans, but running two full real-time antivirus engines together can cause conflicts. Check both vendors' current guidance if you plan to run real-time protection from each.
Is McAfee's preinstalled trial the full product?
Preinstalled trials typically include most core suite features for a limited time, after which continued use requires a paid subscription. Check the specific trial terms on the device.
Which is lighter on system resources?
Resource usage varies by version and configuration for both vendors. If performance matters most to you, test on your own hardware or check recent independent reviews rather than relying on general reputation.
Malware-Bytes.net is an independent information resource about malware protection for Windows. We are not Malwarebytes, and this site is not the official Malwarebytes website or support channel. Malwarebytes is a trademark of Malwarebytes Inc.