Estimated safety rating

sihost.exe is a program which is most likely legit. So, if sihost.exe is on your PC, it is most likely ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to use a good antivirus with a good track record, in order to defend yourself against viruses and malware.

Executable file path

Usually, the default filename and folder where the application is stored is
C:\windows\system32\sihost.exe.

MD5 hash of the executable file

The MD5 fingerprint for this file is 0c9644276843d331a61a0900c1c13280.

Is running as a service

This program is NOT registered as a Windows service. This is good.

Belongs to the operating system

sihost.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.

Is a 64 bit executable file

This is a x64 executable. It runs using the full capacity of modern CPUs.

Digitally signed

sihost.exe has a digital signature. Today the large majority of legit software applications are digitally signed.

Valid digital signature

The digital signature extracted from sihost.exe checks out perfectly. This is very good.

Certifier name

Digital certificate name: Microsoft Windows

Issuer name

Certificate's issuer name: Microsoft Windows Production PCA 2011

Can be uninstalled

This program does NOT have an uninstall command stored in registry.