Navigate to the file’s location (use "Open file location" in Task Manager if you didn't close it) and delete un.exe . If you get "Access Denied," use a tool like LockHunter or Autoruns from Microsoft Sysinternals to unlock it.
Stay vigilant. And remember: on the Windows command line, un isn't a real command. But in the hands of a hacker, un.exe can undo everything you’ve worked for. Have you encountered un.exe on your system? Did you find it in a different location? Let me know in the comments below. un.exe
Let’s pull back the curtain on un.exe . What is it? Should you panic if you find it? And most importantly, how do you remove it? Unlike system files such as svchost.exe or explorer.exe , un.exe is not a legitimate Windows operating system file. In 99% of cases, finding this file running in your Task Manager is a red flag. Navigate to the file’s location (use "Open file