Antivirus (Windows)
Antivirus, Malware Scanners, Firewalls & Sandboxes for Windows 10 & 11
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Microsoft Defender is built into Windows and provides robust protection when kept updated. Pair it with an adblocker and a second-opinion scanner for maximum safety.
Real-Time Protection
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Microsoft Defender — Built-in, low system impact antivirus with cloud intelligence and ransomware protection.
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ConfigureDefender — Free utility to enable advanced Attack Surface Reduction (ASR) rules in Defender.
Second-Opinion Scanners
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Malwarebytes Free — Industry standard on-demand scanner for removing adware, spyware, and stubborn malware.
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Emsisoft Emergency Kit — Portable dual-engine scanner that can be run from a USB drive without installation.
Analysis & Sandboxes
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VirusTotal — Scan suspicious files or URLs against over 70 commercial antivirus engines simultaneously.
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Windows Sandbox — Disposable isolated desktop environment built into Windows Pro to safely run unknown executables.