The file adds itself to startup (via HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ). A hacker can then remotely access your PC anytime to install further malware, keyloggers, or screen recorders.
Indicators that "error 408.exe" is malicious error 408.exe download
If you downloaded and the file, act immediately: error 408.exe download
Microsoft will never display a system alert inside your web browser. Legitimate software updates come only through Windows Update or the official Microsoft Store. error 408.exe download
The progress bar vanished. In its place, a single terminal window opened. C:\> 408.exe --run