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# PowerShell: Run a Full Windows Defender Scan
- URL: https://www.filipkonopik.com/powershell-run-a-full-windows-defender-scan/
- Published: 2026-07-27T08:10:24.000Z
- Updated: 2026-08-06T05:43:15.000Z
- Author: Filip Konopík
- Tags: Endpoint Security

Need to trigger a full malware scan covering every file on all drives - as part of a script, scheduled task, or thorough manual check? This one-liner starts it directly from the terminal.

Prerequisites:

- Privileges: None
- Module: Built-in, no import needed

Quick Command:

```Powershell
Start-MpScan -ScanType FullScan
```

📦

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How It Works:

- Start-MpScan triggers a Windows Defender scan directly through PowerShell, without needing to open the Windows Security GUI.
- \-ScanType FullScan specifies a full scan - checking every file across all drives, rather than just the common malware locations covered by a quick scan.