wudfhost.exe is a program which is most likely legit. So, if wudfhost.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to use a good antivirus with a good track record, in order to yourself yourself against threats.
Normally, this application is found in C:\Windows\System32\WUDFHost.exe.
The MD5 checksum for this program is eeffd9259d6d6cfdbdc71f24730566bb.
This program does NOT run as a Windows service. This is usually a good sign.
wudfhost.exe appears to have something to do with 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 processor.
wudfhost.exe has a digital signature. Today the large majority of legit software applications are digitally signed.
The digital signature found in wudfhost.exe checks out perfectly. This is most likely a clean, ok program.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This application does NOT have an uninstall routine set up in registry.