Microsoft Windows Defender

Scan Options

Quick Scan

Common infection points · ~30s

Enhanced Scan RECOMMENDED

AI-assisted heuristic + signature

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Every file, every drive

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Locations

System memory Registry keys Startup entries Browser cookies Program files External drives

Definitionsv 2026.07.15

Signatures3,481,220

Last scan14 hours ago

EngineMicrosoft Defender · v9.4

Status

Idle · ready to scan

Elapsed

00:00

Scanned

Threats

Awaiting start 0%

Live scan output