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Windows defender quarantine my program made by C#, WPF with some windows form but why?!
this case not with all devices just some devices on win10

What I have tried:

Search on the internet to fix the case
Updated 21-Feb-21 8:29am

1 solution

You probably did something that Defender found suspicious, or maybe you used a 3rd party library that had malware in it.
Try making your application more simple until Defender complains no more.
Also scan your system for viruses.

More information here: Trojan:Script/Wacatac.B!ml threat description - Microsoft Security Intelligence[^]

It might also be a false positive, read info here: Windows Defender false threat on Windows 10 | Windows 10 Forums[^]

You can use OWASP Dependency Check to check your NuGet packages and 3rd party libraries, see: devops-security-tools[^]
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Dev Mo 21-Feb-21 14:32pm    
this case not with all devices just some devices on Win10,
all my reference library from NuGet and it is popular.
RickZeeland 21-Feb-21 14:48pm    
popular does not say anything about security I'm afraid :)

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