ESET NOD32 Antivirus

ESET NOD32 Antivirus is a paid antivirus by ESET, a security company based in Slovakia. It costs around $40 per year for one device and comes with a 30 day trial. ESET has been around since 1992 and built its reputation on having a lightweight engine that doesn't slow your machine down.

It runs on Windows, macOS, and Linux.

How it protects

The core scanner uses multi threaded scanning, so it spreads the work across CPU cores instead of grinding through files one by one. The ransomware protection module watches for suspicious encryption patterns and blocks unauthorized file modifications. ESET's LiveGrid cloud system checks file hashes against a shared database, so new threats get flagged quickly without waiting for a definition update.

Advanced features

HIPS (Host based Intrusion Prevention System) monitors program behavior in real time. You can set it to Normal, Strict, or Paranoid mode depending on how aggressively you want it to intervene. The botnet detection module watches network traffic for communication with known command and control servers. A gamer mode silences all notifications and postpones scans while you are in a full screen application.

Who it is for

ESET NOD32 suits people who want solid antivirus protection without the bloat. It doesn't try to be an all in one security suite. If you want extras like a VPN, firewall, and password manager in one package, look at Bitdefender Total Security or Norton 360. If you want free protection, Windows Defender is competent enough for most users.