dotnetfx 365.exe is a self-extracting executable file associated with the [1]. The name structure is a typical Microsoft convention: dotNetFx : Refers to the .NET Framework.
You might be asking: Doesn't Windows come with .NET Framework pre-installed? The answer is complicated. dotnetfx 365.exe
Files with non-standard names like "dotnetfx 365.exe" are often used by bad actors to trick users into downloading malware disguised as essential system components. Understanding the Real .NET Framework dotnetfx 365