Helping people with computers... one answer at a time.
Fortunately msdtc.exe is not a virus - it's a part of a couple of Windows applications.
Is msdtc.exe a virus?
Nope, not at all.
MSDTC.EXE is a part of a couple of Windows applications. It's the "Distributed Transaction Coordinator". It manages, as you might guess, transactions which are distributed across multiple servers.