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Program info

Estimated safety rating


dllhost.exe is a program which is most likely NOT a virus or malware. So, if dllhost.exe is on your laptop or desktop computer, it is most likely ok, and will NOT cause problems. Even if your system is clean, we still advise you to use a good antivirus with a good detection rate, in order to defend your PC against threats.

Executable file path


The default name and folder where this application is stored is

MD5 hash of the executable file


The MD5 checksum for this program is a63dc5c2ea944e6657203e0c8edeaf61.

Is running as a service


This application is a Windows service. This means it runs on your PC in background, usually without displaying any user interface to you. Most Windows services are useful programs, which perform useful functions to other applications or to the Windows Operating System.

Accesses the internet


This program uses the Internet to communicate. In this day and age this is expected from a program. For example, most of the apps on your PC check for new updates. In order to do this, Internet communications are necessary.

Belongs to the operating system


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

Is a 32 bit executable file


This application runs as a 32-bit program. It does not exploit the entire set of features of modern computer processors. This ordinarily happens because the authors did not bother to upgrade it to use the x64 instruction set.

File description

 COM Surrogate

The description written in the file is COM Surrogate.

File version

 6.1.7600.16385 (win7_rtm.090713-1255)

File version 6.1.7600.16385 (win7_rtm.090713-1255).


 Microsoft Corporation

Company name Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Legal copyright © Microsoft Corporation. All rights reserved..

Has valid windows


dllhost.exe appears to have visible windows. This means it doesn't operate in a kind of stealth mode. Its activity is clearly shown to the user.

Digitally signed


dllhost.exe is digitally signed. Today most legit software applications are digitally signed.

Valid digital signature


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

Certifier name

 Microsoft Windows

Digitally signed by: Microsoft Windows

Issuer name

 Microsoft Windows Verification PCA

Certificate's issuer name: Microsoft Windows Verification PCA

Can be uninstalled


It has an uninstall string in registry, which is a good sign. si are uninstall.