False or real Trojan warning

  • Thread starter Thread starter timco89
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timco89

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Hi,

I have a very strange trojan warning.

I have developed a Windows application(.exe) in C++ with Visual Studio 2019.

After I have made the code and it is in the Release folder, I run both a Windows Defender full scan of my PC and also a custom scan of the new application(.exe file). I do not get any virus or trojan warnings.

I do not run this application(.exe), but the Visual Studio project files as also sync'd to my ONEDRIVE storage, so I have the .exe locally and in the cloud.

After some time(next day) I get a Trojan warning from Windows Defender :

Trojan:Win32/Wacatac.C!ml

is detected in this application(.exe)

No other warnings exist, only this warning from my unused, just created application.

I really do not understand how Windows Defender says OK one day and the next day it says Trojan detected. Nothing has changed in the application code between the OK and the warning.

Is there is a specific footprint in my application code that can be interpreted as a trojan?

Any ideas on how to get rid of this are very welcomed.


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