While Microsoft uses names involving ".NET" (such as .NET 5.0 or .NET Framework), the specific naming syntax net5system.exe does not belong to the standard architecture of the Windows OS or the official .NET runtime. Legitimate .NET files are typically found in specific Windows directories (like C:\Windows\Microsoft.NET or C:\Program Files\dotnet ).
In rare, legitimate cases, net5system.exe may be associated with: net5system.exe
: It may attempt to create entries in your Startup directory to ensure it runs every time the computer boots. Common File Locations While Microsoft uses names involving "
and it is signed by a known company (e.g., your own employer or a vendor you trust), then it may be benign. Still, verify with the software vendor. Common File Locations and it is signed by
Before you can delete the file, you must stop it from running.