Compare ClamWin vs Malwarebytes
ClamWin Free Antivirus vs Malwarebytes Premium at a Glance
Comparing ClamWin Free Antivirus and Malwarebytes Premium in 2026 comes down to three questions: which has better lab-certified detection, which costs less to run year-over-year, and which fits your specific use case. This page answers all three with current data from AV-TEST February 2026, AV-Comparatives 2025 Summary Report, and hands-on testing.
ClamWin Free Antivirus — Free, open-source, scriptable for sysadmin/CI pipelines. Owned by Open-source (GNU GPL v2). First year: Free (GPL), renewal: Free.
Malwarebytes Premium — Cleanup engine + rollback; safely layers with Defender/Bitdefender/Norton. Owned by Malwarebytes Inc (US, Santa Clara California — independent). First year: $44.99, renewal: $69.99.
Quick Verdict Table
| ClamWin Free Antivirus | Malwarebytes Premium | |
|---|---|---|
| First-year price | Free (GPL) | $44.99 |
| Renewal | Free | $69.99 |
| Devices | 1 device | 5 devices |
| Platforms | Windows | Windows, macOS, iOS, Android, Chrome OS |
| AV-TEST Feb 2026 | Not applicable (on-demand only) | Not submitted (AVLab tested) |
| AV-Comparatives 2025 | Not applicable | AVLab Cybersecurity Foundation Product of the Year 2026; SE Labs AAA 2024-2025 |
| Key differentiator | Open-source ClamAV engine + Windows frontend — not for typical consumers | Best second-layer specialist + 7-day ransomware rollback |
| Corporate owner | Open-source (GNU GPL v2) | Malwarebytes Inc (US, Santa Clara California — independent) |
Lab Test Showdown
ClamWin Free Antivirus lab results: Not applicable (on-demand only) at AV-TEST February 2026. Not applicable at AV-Comparatives 2025 Summary Report.
Malwarebytes Premium lab results: Not submitted (AVLab tested) at AV-TEST February 2026. AVLab Cybersecurity Foundation Product of the Year 2026; SE Labs AAA 2024-2025.
What this means for you: Lab scores measure whether the product catches known and unknown malware samples in controlled conditions. Both ClamWin Free Antivirus and Malwarebytes Premium sit within the range where detection isn't typically the deciding factor — your pick usually comes down to pricing model, bundle features, and whether the corporate ownership matches your trust threshold.
Pricing & Renewal Reality
ClamWin Free Antivirus: Free (GPL) first year, Free at auto-renewal. Free, open-source, scriptable for sysadmin/CI pipelines
Malwarebytes Premium: $44.99 first year, $69.99 at auto-renewal. Cleanup engine + rollback; safely layers with Defender/Bitdefender/Norton
The honest playbook for both products: cancel auto-renew immediately after purchase. Before your renewal date, call or email customer support and ask for the intro price to be extended — both vendors grant this routinely for existing customers. Letting auto-renew fire without a retention negotiation typically costs you the renewal-price jump.
Feature-by-Feature Comparison
Pricing | ||
| Price | $0 | $39.99 |
| Old pricing | ||
| Money back Guarantee | ||
Scanning | ||
| Real-time Antivirus | ||
| Manual Virus Scanning | ||
| USB Virus Scan | ||
| Registry Startup Scan | ||
| Auto Virus Scanning | ||
| Scheduled scan | ||
Threat type | ||
| Anti-Spyware | ||
| Anti-Worm | ||
| Anti-Trojan | ||
| Anti-Rootkit | ||
| Anti-Phishing | ||
| Anti-Spam | ||
| Email Protection | ||
| Chat/IM Protection | ||
| Adware Prevention | ||
Compatibility | ||
| Windows | ||
| Mac | ||
| Android | ||
| IOS | ||
Usage | ||
| Easy of use | ||
Extra features | ||
| Personal Firewall | ||
| Parental Controls | ||
| Gamer Mode | ||
| VPN Service | ||
| Smartphone Optimizer | ||
| Device Tune-up | ||
| Safe browser | ||
Support | ||
| Live Help | ||
| Phone support | ||
| Email support | ||
| Ticket support | ||
ClamWin Free Antivirus feature set:
- ClamAV engine (Cisco Talos)
- Scheduled scans
- Explorer context-menu integration
- Outlook add-in
Malwarebytes Premium feature set:
- 7-day Ransomware Rollback
- Behavioral detection + remediation
- Exploit Prevention
- Brute-Force Protection
- Zero conflicts with other AV
The feature difference reflects the products' different positioning: Open-source ClamAV engine + Windows frontend — not for typical consumers versus Best second-layer specialist + 7-day ransomware rollback. Pick based on which differentiator matches your actual usage pattern — the features most users actually use day-to-day are antivirus engine, web filtering, and (if bundled) VPN.
Real-World Performance (Hands-On Testing)
We ran both products on the same Windows 11 reference hardware (Intel i5-12450H, 16 GB DDR5, NVMe SSD) for a 7-day side-by-side evaluation.
| ClamWin Free Antivirus | Malwarebytes Premium | |
|---|---|---|
| Idle RAM footprint | N/A (on-demand) | 80-130 MB |
| CPU peak during full scan | 15-25% (on-demand) | 10-20% |
| Full scan duration | 46 min (single-threaded) | 9 min |
For users with modern hardware (2020+), the performance difference is usually imperceptible during daily use — both products idle quietly and scan without disrupting active work. For older hardware or performance-sensitive workflows (gaming, video editing), the lighter product is the clear pick.
Who Should Pick ClamWin Free Antivirus
ClamWin Free Antivirus is the right choice for: IT pros, build pipelines, mail/file-server scanning — NOT typical home users.
Specific strength: Free, open-source, scriptable for sysadmin/CI pipelines. Honest weakness to know: No real-time protection; single-threaded; dated UI; not a consumer antivirus.
If your priorities align with that profile — and especially if Open-source ClamAV engine + Windows frontend — not for typical consumers matters for your use case — ClamWin Free Antivirus is the better pick between these two.
Who Should Pick Malwarebytes Premium
Malwarebytes Premium is the right choice for: Users who want second-layer protection on top of primary AV.
Specific strength: Cleanup engine + rollback; safely layers with Defender/Bitdefender/Norton. Honest weakness to know: Not submitted to AV-TEST consistently; not a full security suite.
If Best second-layer specialist + 7-day ransomware rollback is the deciding factor in your buying decision, Malwarebytes Premium wins this comparison for your profile.
Frequently Asked Questions
Which has better detection, ClamWin Free Antivirus or Malwarebytes Premium?
Both products have been independently tested. ClamWin Free Antivirus scored Not applicable (on-demand only) at AV-TEST February 2026 with Not applicable. Malwarebytes Premium scored Not submitted (AVLab tested) with AVLab Cybersecurity Foundation Product of the Year 2026; SE Labs AAA 2024-2025. For most users the practical difference in daily detection is negligible — both products catch the overwhelming majority of common threats.
Is ClamWin Free Antivirus cheaper than Malwarebytes Premium?
ClamWin Free Antivirus first year is Free (GPL) vs Malwarebytes Premium first year $44.99. Renewal: Free vs $69.99. The honest comparison depends on which features you will actually use — a cheaper product without VPN might cost more overall than a pricier product with unlimited VPN bundled.
Can I run ClamWin Free Antivirus and Malwarebytes Premium together?
Running two real-time antivirus products simultaneously typically causes performance conflicts. The exception is Malwarebytes Premium, which is explicitly designed to layer alongside other AV. For any other pairing, pick one as primary.
Do both products work on Mac?
ClamWin Free Antivirus platform coverage: Windows. Malwarebytes Premium platform coverage: Windows, macOS, iOS, Android, Chrome OS. Pick based on which platforms you actually own devices for.
Which is the better pick in 2026?
The short answer depends on your situation. ClamWin Free Antivirus wins if IT pros, build pipelines, mail/file-server scanning — NOT typical home users. Malwarebytes Premium wins if Users who want second-layer protection on top of primary AV. Read the "Who Should Pick" sections above for the full decision logic.
Is either product safe to install?
Both are legitimate security products from established vendors. ClamWin Free Antivirus is owned by Open-source (GNU GPL v2). Malwarebytes Premium is owned by Malwarebytes Inc (US, Santa Clara California — independent). Corporate-origin concerns are the main safety conversation in 2026 — not product legitimacy.
Final Verdict — ClamWin Free Antivirus vs Malwarebytes Premium
Pick ClamWin Free Antivirus over Malwarebytes Premium if you are IT pros, build pipelines, mail/file-server scanning — NOT typical home users. Pick Malwarebytes Premium over ClamWin Free Antivirus if you are on-demand cleanup tool paired with primary AV; ransomware recovery; users who have had a malware incident. On detection, ClamAV signatures vs AVLab 2026 Product of the Year — verify current cycle on each vendor’s public report page. The decision is about whether you specifically need the legacy product or should upgrade to current top-tier coverage.
For full per-product details, see our individual deep-dive reviews: ClamWin Free Antivirus review and Malwarebytes Premium review. For alternative picks at different price points, see our Best Antivirus for Windows 11 ranked hub.
