ClamAV vs ESET NOD32
A detailed comparison to help you choose between ClamAV and ESET NOD32.
ClamAV Open-source antivirus engine used by mail servers worldwide. | ESET NOD32 Ultra-lightweight antivirus for power users. | |
|---|---|---|
| Rating | 3.8 (237 reviews) | 4.3 (517 reviews) |
| Pricing Model | free | paid |
| Starting Price | Free | From $2.33/mo |
| Best For | Best for users needing comprehensive antivirus and malware protection | Best for users needing comprehensive antivirus and malware protection |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | — | — |
| Visit ESET NOD32 → |
ClamAV
Pros
- + Free, GPLv2 open-source antivirus engine
- + Strong for mail gateway and server scanning
- + Daemon mode enables efficient repeated scanning
- + Linux on-access scanning via clamonacc
- + Official signatures shipped in signed CVD containers
- + Supports local Unix socket or TCP clamd protocol
Cons
- - No on-access scanning feature on Windows
- - Not a full consumer AV suite or GUI-first tool
- - clamd TCP socket is unauthenticated by default
- - Third-party signatures can add security risk
- - clamscan can be inefficient for frequent scans
ESET NOD32
Pros
- + Includes HIPS, exploit blocking, ransomware, UEFI scanning
- + Strong independent lab visibility across major testers
- + Low false positives in AV-Comparatives 2024 summary
- + Clear 30-day return policy on ESET US site
- + Built-in privacy settings for telemetry participation
Cons
- - NOD32 is basic tier; suite features require upgrades
- - Telemetry/reputation systems are part of protection stack
- - Refund timing can vary by region and purchase channel
- - Not a VPN product despite ESET VPN bundles
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