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Microsoft Security Intelligence
Published Sep 01, 2017 | Updated Sep 24, 2018


Detected by Microsoft Defender Antivirus

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Microsoft Defender Antivirus uses the cloud and artificial intelligence powered by next-gen machine learning technologies to rapidly deliver protection against new and emerging malware.

This detection, made possible by cloud-based machine learning, defends against multiple types of emerging malware that perform various malicious actions on your PC.

Understand how malware can get on your PC


Our layered approach to intelligent, cloud-based protection employs a diverse set of machine learning models designed to catch the wide range of threats: from massive malware campaigns to small-scale, localized attacks. Read more: Small businesses targeted by highly localized Ursnif campaign 

Microsoft Defender Antivirus automatically removes threats as they are detected. However, many infections can leave remnant files and system changes. Updating your antimalware definitions and running a full scan might help address these remnant artifacts.

You can also visit our advanced troubleshooting page or search the Microsoft virus and malware community for more help.

Secure configuration

To get the best and fastest protection from Microsoft Defender Antivirus, connect to the cloud protection service.

Use the Windows search box to find and open the Windows Defender Security Center. Navigate to the Virus & threat protection settings.

  • Cloud-delivered protection
  • Automatic sample submission
Prevent malware infection

To prevent future infection, follow our guide on preventing malware infection.

Report incorrect detections

If you suspect that your files have been incorrectly detected, submit the file for analysis.

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