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ABP Suite tool flagged as Trojan by Windows Defender (Trojan:Win32/Yoma!rfn) #9781


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engineering@climatecamp.io created

When installing or running the ABP Suite tool (volo.abp.suite v9.2.0), Windows Defender detects and quarantines Volo.Abp.Suite.dll as Trojan:Win32/Yoma!rfn. This prevents the tool from running and raises security concerns.

Steps to Reproduce:

  1. Install ABP Suite via dotnet tool install volo.abp.suite --global
  2. Attempt to run the tool.
  3. Windows Defender flags and quarantines Volo.Abp.Suite.dll as a trojan. Environment: • Windows 10/11 • .NET 9 SDK • ABP Suite version: 9.2.0

Expected Behavior: ABP Suite should install and run without being flagged as malware.

Actual Behavior: Windows Defender blocks the DLL and reports it as a trojan.


1 Answer(s)
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    AI-Bot created
    Support Team ABP Agent
    • This is a known issue that can occur with some .NET global tools, including ABP Suite, due to false positives in antivirus software like Windows Defender. The ABP Suite tool and its DLLs are safe and do not contain malware. The detection is a false positive.

    • To resolve this:

      1. Update Windows Defender to the latest virus definitions. Microsoft frequently updates their definitions to reduce false positives.
      2. Restore the quarantined file from Windows Defender's quarantine area.
      3. Add the ABP Suite installation directory (typically %USERPROFILE%\.dotnet\tools) to the Windows Defender exclusion list.
      4. Reinstall ABP Suite if needed:
    dotnet tool uninstall --global volo.abp.suite
         dotnet tool install --global volo.abp.suite
    

    This response was generated by AI. If it didn’t solve your problem, feel free to post a new answer — our support team will jump in to help you soon.

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Made with ❤️ on ABP v10.0.0-preview. Updated on September 12, 2025, 10:20