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Program info

Estimated safety rating


sihost.exe is a program which is probably NOT a virus. So, if sihost.exe is on your laptop or desktop computer, it is probably ok, and will NOT be a cause for concern. Even if your system is clean, it is still recommended to purchase a good antivirus with a good detection rate, in order to yourself your PC against viruses and malware.

Executable file path


Usually, this application is found in C:\Windows\System32\sihost.exe.

MD5 hash of the executable file


The MD5 fingerprint for this program is 1cd2f4a74ad6ac2de5ecf8bb9f12c723.

Is running as a service


This program does NOT run as a Windows service. This is usually a good sign.

Belongs to the operating system


sihost.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.

Is a 64 bit executable file


64-bit code has been detected. This exe can put to good use the full power of a modern PC processor.

Digitally signed


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

Valid digital signature


The digital signature extracted from sihost.exe verifies as ok. This is excellent.

Certifier name

 Microsoft Windows

Digital certificate name: Microsoft Windows

Issuer name

 Microsoft Windows Production PCA 2011

Certificate's issuer name: Microsoft Windows Production PCA 2011

Can be uninstalled


This application does NOT have an uninstall routine stored in registry.