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Program info

Estimated safety rating


dllhost.exe is a application which is most likely legit. So, if dllhost.exe is on your laptop or desktop computer, it is most likely ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to run a well-known antivirus with a good detection rate, in order to yourself your PC against threats.

Executable file path


This application is normally stored in C:\Windows\System32\dllhost.exe.

MD5 hash of the executable file


The MD5 fingerprint for this file is b27e38ad86c7456d60d8f09e4b20c39e.

Is running as a service


This program is a Windows service. This means it operates on your PC in background, usually without displaying anything to you. Most Windows services are legit programs, which perform useful features to other applications or to Windows in general.

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 benefit of the full set of features of modern PC chips. This ordinarily happens because the makers did not upgrade it to use the x64 instruction set.

File description

 COM Surrogate

The description present in the exe is COM Surrogate.

File version

 10.0.10586.0 (th2_release.151029-1700)

File version extracted from the file 10.0.10586.0 (th2_release.151029-1700).


 Microsoft Corporation

Company Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Legal copyright © Microsoft Corporation. All rights reserved..

Digitally signed


dllhost.exe is digitally signed. Nowadays most serious software applications are digitally signed.

Valid digital signature


The digital signature extracted from dllhost.exe is valid. 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


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