Some variants implement remote access features:
Conversely, legitimate .NET 5 applications published as "single-file" or "self-contained" executables sometimes trigger false virus detections in security software. 2. A Background Service for .NET 5 Apps net5system.exe
Some users may experience issues with net5system.exe, such as: Informative Report: net5system
: The real Windows "System" process is not an executable file you can find in a directory; it is a kernel-mode process with a Process ID (PID) of 4. Check the file location : Ensure that Net5System
Some variants of net5system.exe are disguised cryptocurrency miners (often Monero). They use your CPU/GPU to mine crypto for the attacker. Because it’s hidden as a system-like process, users often mistake high CPU usage for a Windows update or antivirus scan.
C:\Windows\Microsoft.NET\framework64\v5.0.30316 or C:\Windows\Microsoft.NET\framework\v5.0.30316.: It has been seen launching conhost.exe and rundll32.exe to execute further commands.
Before you delete the file, you should perform due diligence to ensure you aren't removing a necessary component of a legitimate third-party application.