scanner.exe

Scanner Utility Executable

System ProcessSafeBackground Service
CPU Usage
2-12%
Memory
60-180 MB
Location
C:\Program Files\SecureTech\Scanner\scanner.exe
Publisher
Microsoft Corporation

Quick Answer

scanner.exe is safe. It's the official Scanner Utility executable from Microsoft Corporation used to perform file and system integrity checks. It runs as a background service with worker processes during scans.

Is it a Virus?
 ✔ NO - Safe
Must be located in C:\Program Files\SecureTech\Scanner\scanner.exe or C:\Program Files (x86)\SecureTech\Scanner\scanner.exe
Can I Disable?
 YES
Disabling will stop scheduled scans and real-time protection, increasing risk.
Red Flags
Monitor for signs of tampering and run a full malware scan.
Unusual activity or location outside the typical path warrants further check.

What is scanner.exe?

scanner.exe is the core executable for a system scanning utility that inspects files, processes, registry keys, and configurations to detect malware, integrity issues, and policy violations. It runs as a background service, spawning multiple worker threads during scans and coordinating with the security center for alerts and reporting.

scanner.exe uses a multi-process scanning architecture: a controller delegates tasks to worker processes that inspect files, processes, and memory patterns. It runs in a sandboxed environment to minimize impact on the system during deep checks.

Quick Fact: Scanner architectures typically use multi-threaded workers to parallelize checks, improving speed while maintaining isolation between scanning tasks and the user interface.

Types of Scanner Processes

Is scanner.exe Safe?

Yes, scanner.exe is safe when it's the legitimate file distributed by Microsoft Corporation or installed by your OEM.

Is scanner.exe a Virus or Malware?

The real scanner.exe is NOT a virus. However, malware may misuse similar names. Always verify the path and signature.

How to Tell if scanner.exe is Legitimate or Malware

  1. File Location:: Must be in C:\Program Files\SecureTech\Scanner\scanner.exe or C:\Program Files (x86)\SecureTech\Scanner\scanner.exe. Any scanner.exe elsewhere is suspicious.
  2. Digital Signature:: Right-click scanner.exe in Explorer → Properties → Digital Signatures. Should show "Microsoft Corporation".
  3. Resource Usage:: Normal usage is 2-12% CPU per scanner thread, 60-180 MB total memory. Extremely high usage when idle is suspicious.
  4. Behavior:: Scanner should only run when a scan is scheduled or initiated by the user. Continuous background activity when not scanning is suspicious.

Red Flags: If scanner.exe is located in unusual folders (like Temp, AppData\Roaming, or System32), runs when no scan is scheduled, has no digital signature, or uses excessive resources, scan your system immediately. Beware of similarly named files like "scanner32.exe" or "scanner.dll" from untrusted sources.

Why Is scanner.exe Running on My PC?

scanner.exe runs when you initiate a scan, when real-time protection activates, or according to a schedule. It may also run briefly to download updates or generate reports.

Reasons it's running:

Can I Disable or Remove scanner.exe?

Yes, you can disable scanner.exe. Disabling stops scans and real-time protection, which reduces protection but may lower resource use. You can re-enable at any time.

How to Stop scanner.exe

How to Uninstall Scanner

Common Problems: High CPU or Memory Usage

If scanner.exe is consuming excessive resources:

Common Causes & Solutions

Quick Fixes:
1. Open Scanner Task Manager (in-app) and identify high-usage items
2. Pause or stop heavy scans and clear queued tasks
3. Clear cached data and temporary files related to scans
4. Disable unnecessary features (deep scan, real-time protection for non-critical use)
5. Update to the latest version of the scanner
6. Enable a low-resource or memory-saver mode if available

Frequently Asked Questions

Is scanner.exe a virus?

The legitimate scanner.exe from Microsoft Corporation is not a virus. Verify the file path as C:\Program Files\SecureTech\Scanner\scanner.exe and ensure a valid digital signature from Microsoft.

Why is scanner.exe using so much CPU?

High CPU usage is typically caused by active scans, large files, or background protection running concurrently. Use the scanner's task manager to identify the culprit, then pause or adjust scanning settings.

Can I delete scanner.exe?

Yes, you can uninstall or remove scanner.exe if you no longer need it. Your local settings may be preserved if you sign in and synchronize, otherwise a clean uninstall will remove related data.

Can I disable scanner.exe?

Yes, you can disable scanner.exe. Stop it from running at startup and disable real-time protection, but be aware this lowers protection against threats.

Why is scanner.exe running at startup?

Scanner.exe may start at login if scheduled or configured by the OEM. Disable it in Task Manager → Startup or through the scanner's scheduling options.

Why are there multiple scanner.exe processes?

Scanner uses a multi-process architecture for security and speed. Each task runs in its own process, allowing isolation and stability. You can view processes in the scanner's Task Manager to see what each does.

Related Processes