Compare HitmanPro vs ClamWin
HitmanPro vs ClamWin Free Antivirus at a Glance
Comparing HitmanPro and ClamWin Free Antivirus 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.
HitmanPro — Second-opinion cleanup for infected Windows machines. Owned by Sophos (acquired SurfRight 2015). First year: $24.95, renewal: $24.95.
ClamWin Free Antivirus — Free, open-source, scriptable for sysadmin/CI pipelines. Owned by Open-source (GNU GPL v2). First year: Free (GPL), renewal: Free.
Quick Verdict Table
| HitmanPro | ClamWin Free Antivirus | |
|---|---|---|
| First-year price | $24.95 | Free (GPL) |
| Renewal | $24.95 | Free |
| Devices | 1 device | 1 device |
| Platforms | Windows | Windows |
| AV-TEST Feb 2026 | Not applicable (second-opinion scanner) | Not applicable (on-demand only) |
| AV-Comparatives 2025 | Not applicable | Not applicable |
| Key differentiator | Cloud-based second-opinion scanner — runs alongside primary AV | Open-source ClamAV engine + Windows frontend — not for typical consumers |
| Corporate owner | Sophos (acquired SurfRight 2015) | Open-source (GNU GPL v2) |
Lab Test Showdown
HitmanPro lab results: Not applicable (second-opinion scanner) at AV-TEST February 2026. Not applicable at AV-Comparatives 2025 Summary Report.
ClamWin Free Antivirus lab results: Not applicable (on-demand only) at AV-TEST February 2026. Not applicable.
What this means for you: Lab scores measure whether the product catches known and unknown malware samples in controlled conditions. Both HitmanPro and ClamWin Free Antivirus 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
HitmanPro: $24.95 first year, $24.95 at auto-renewal. Second-opinion cleanup for infected Windows machines
ClamWin Free Antivirus: Free (GPL) first year, Free at auto-renewal. Free, open-source, scriptable for sysadmin/CI pipelines
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
HitmanPro feature set:
- Cloud scanning
- Rootkit detection
- Malware removal
- HitmanPro.Alert (sold separately, real-time)
ClamWin Free Antivirus feature set:
- ClamAV engine (Cisco Talos)
- Scheduled scans
- Explorer context-menu integration
- Outlook add-in
The feature difference reflects the products' different positioning: Cloud-based second-opinion scanner — runs alongside primary AV versus Open-source ClamAV engine + Windows frontend — not for typical consumers. 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.
| HitmanPro | ClamWin Free Antivirus | |
|---|---|---|
| Idle RAM footprint | N/A (on-demand) | N/A (on-demand) |
| CPU peak during full scan | <15% (on-demand) | 15-25% (on-demand) |
| Full scan duration | 5-10 min | 46 min (single-threaded) |
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 HitmanPro
HitmanPro is the right choice for: Tech-support workflows; users needing second-opinion cleanup.
Specific strength: Second-opinion cleanup for infected Windows machines. Honest weakness to know: Not primary AV — no real-time protection (HitmanPro.Alert is separate).
If your priorities align with that profile — and especially if Cloud-based second-opinion scanner — runs alongside primary AV matters for your use case — HitmanPro is the better pick between these two.
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 Open-source ClamAV engine + Windows frontend — not for typical consumers is the deciding factor in your buying decision, ClamWin Free Antivirus wins this comparison for your profile.
Frequently Asked Questions
Which has better detection, HitmanPro or ClamWin Free Antivirus?
Both products have been independently tested. HitmanPro scored Not applicable (second-opinion scanner) at AV-TEST February 2026 with Not applicable. ClamWin Free Antivirus scored Not applicable (on-demand only) with Not applicable. For most users the practical difference in daily detection is negligible — both products catch the overwhelming majority of common threats.
Is HitmanPro cheaper than ClamWin Free Antivirus?
HitmanPro first year is $24.95 vs ClamWin Free Antivirus first year Free (GPL). Renewal: $24.95 vs Free. 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 HitmanPro and ClamWin Free Antivirus 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?
HitmanPro platform coverage: Windows. ClamWin Free Antivirus platform coverage: Windows. Pick based on which platforms you actually own devices for.
Which is the better pick in 2026?
The short answer depends on your situation. HitmanPro wins if Tech-support workflows; users needing second-opinion cleanup. ClamWin Free Antivirus wins if IT pros, build pipelines, mail/file-server scanning — NOT typical home users. 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. HitmanPro is owned by Sophos (acquired SurfRight 2015). ClamWin Free Antivirus is owned by Open-source (GNU GPL v2). Corporate-origin concerns are the main safety conversation in 2026 — not product legitimacy.
Final Verdict — HitmanPro vs ClamWin Free Antivirus
Pick HitmanPro over ClamWin Free Antivirus if you are second-opinion scan after Malwarebytes / other cleanup tool; verifying machine is clean. Pick ClamWin Free Antivirus over HitmanPro if you are IT pros, build pipelines, mail/file-server scanning — NOT typical home users. On detection, Cloud multi-engine verdicts vs ClamAV signatures — 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: HitmanPro review and ClamWin Free Antivirus review. For alternative picks at different price points, see our Best Antivirus for Windows 11 ranked hub.

