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.
Usually, the default name and directory where this program is stored is
C:\Windows\System32\dllhost.exe.
The MD5 checksum for this file is e2c8ecab45fd37bf02c0f88b6dd17507.
This program is NOT registered as a Windows service. This is good.
dllhost.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This exe can exploit the full power of a modern computer cpu.
The description extracted from the file is COM Surrogate.
File version extracted from the file 10.0.10240.16384 (th1.150709-1700).
Publisher Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
dllhost.exe is digitally signed. Today most legit programs are digitally signed.
The digital signature attached to dllhost.exe checks out perfectly. This is most likely a clean, ok program.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This executable does NOT have a removal routine stored in registry.