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Program info

Estimated safety rating


dllhost.exe is a program which is probably NOT a virus or malware. So, if dllhost.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, it is still recommended to use a good antivirus with a good track record, in order to defend your PC against potential security problems.

Executable file path


Usually, the default name and directory where this program is stored is

MD5 hash of the executable file


The MD5 checksum for this file is e2c8ecab45fd37bf02c0f88b6dd17507.

Is running as a service


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

Belongs to the operating system


dllhost.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 exploit the full power of a modern computer cpu.

File description

 COM Surrogate

The description extracted from the file is COM Surrogate.

File version

 10.0.10240.16384 (th1.150709-1700)

File version extracted from the file 10.0.10240.16384 (th1.150709-1700).


 Microsoft Corporation

Publisher Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Copyright notice © Microsoft Corporation. All rights reserved..

Digitally signed


dllhost.exe is digitally signed. Today most legit programs are digitally signed.

Valid digital signature


The digital signature attached to dllhost.exe checks out perfectly. This is most likely a clean, ok program.

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 executable does NOT have a removal routine stored in registry.