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Published Mar 25, 2018 | Updated Mar 25, 2018

Trojan:Win32/Modimer

Detected by Microsoft Defender Antivirus

Aliases: No associated aliases

Summary

Microsoft Defender Antivirus detects and removes this threat.

This malware is a trojanized version of the MediaGet peer-to-peer application. It has been observed downloading other malware and facilitating the installation of other trojans, including:

On March 6, 2018, behavior monitoring and machine learning technologies in Microsoft Defender Antivirus stopped a campaign involving this threat. Read the following blogposts for more information:

Scanning with Microsoft Defender Antivirus or other Microsoft antimalware 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, ensure it can connect to the cloud protection service.

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

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

Refer to our guide on how to prevent malware infection.

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