Rundll.exe.7z — Fixed

Nothing happened.

The screen went black for 2.3 seconds. When it returned, a single command prompt window had opened. The cursor blinked patiently. Above it, one line: rundll.exe.7z

But the timestamp was wrong. rundll.exe is a core system file. Its legitimate "modified date" should be the day your OS was installed. This one claimed 1985-01-17 03:14:07 UTC . That's six months before Windows 1.0 was released. Nothing happened