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Program info

Estimated safety rating


sihost.exe is a program which is most likely NOT a virus or malware. So, if sihost.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your system is virus-free, it is still recommended to purchase a good antivirus with a good detection rate, in order to defend your system against potential security problems.

Executable file path


Usually, this program is stored in C:\WINDOWS\System32\sihost.exe.

MD5 hash of the executable file


The MD5 checksum for this file is 6f962a71468981b9606f6805badabf25.

Is running as a service



Belongs to the operating system



Is a 64 bit executable file



Has valid windows


This application does NOT have visible windows. This is most likely a bad sign.

Digitally signed


sihost.exe has a digital signature. Nowadays the large majority of clean programs are digitally signed.

Valid digital signature


The digital signature found in sihost.exe checks out perfectly. This is very good.

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

