The following Potential Threat is posed by msiexec.exe:
- The msiexec.exe process should normally be active only during an installation. If the process keeps running after or is always active, this could signal the presence of malware.
- If the process isn't running under SYSTEM or under the current user name (visible in the Task Manager), this can signal an infection.
Information on the msiexec.exe process
The msiexec.exe process is part of the "Windows Installer Component" and is responsible for installation of programs, which use the Windows Installer packaged files (MSI). It is used during many program installations and stays active for the duration of an installation.