dwm.exe is a application which is most likely NOT a virus. So, if dwm.exe is on your system, it is most likely ok, and will NOT be a cause for concern. Even if your system is clean, we still advise you to run a well-known antivirus with a good track record, in order to defend yourself against viruses and malware.
This application is normally stored in C:\WINDOWS\System32\dwm.exe.
The MD5 checksum for this file is 38833ec9e139654135bd183dfbabc36b.
This program is NOT a Windows service. This is good.
dwm.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 PC processor.
This task does NOT have visible windows. This is usually a bad sign.
dwm.exe is digitally signed. Today the large majority of legit software applications are digitally signed.
The digital signature attached to dwm.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 application does NOT have an uninstall command set up in registry.