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This detection, made possible by cloud-based machine learning, defends against multiple types of emerging malware that perform various malicious actions on your PC.
This detection is designed to catch malicious PDF files, such as those that are used for phishing and other cyberattacks. We enrich this detection algorithm with URL and domain reputation intelligence from Windows Defender SmartScreen and email intel from Office 365 ATP.
Learn how this integration of Microsoft security solutions results in comprehensive protection against phishing and other attacks: Tackling phishing with signal-sharing and machine learning
Windows 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.
To get the best and fastest protection from Windows 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.