Versions

6.2.9200.16384 (win8_rtm.120725-1247)	11.69%
6.2.9200.16384 (win8_rtm.120725-1247)	1.30%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	27.27%
6.1.7601.17514 (win7sp1_rtm.101119-1850)	29.87%
6.1.7600.16385 (win7_rtm.090713-1255)	1.30%
6.0.6002.18005 (lh_sp2rtm.090410-1830)	7.79%
5.01.1111	6.49%
5.01.1110	12.99%
5.01.1108	1.30%

This is a Windows system installed file with Windows File Protection (WFP) enabled.

There are 9 versions of mqtgsvc.exe in the wild, the latest version being 6.2.9200.16384 (win8_rtm.120725-1247). It is started as a Windows Service called 'Message Queuing-Trigger' with the name 'MSMQTriggers' and described as “Bietet eine Regel-basierte Überwachung von Nachrichten an, die in einer Message Queuing-Warteschlange empfangen werden, und, falls die Bedingungen einer Regel erfüllt werden, eine COM-Komponente oder ein eigenständiges ausführbares Programm aufrufen, um die Nachricht zu verarbeiten.”. . It is also run with NETWORK SERVICE privileges. The average file size is about 139 KB. The executable is a .NET framework assembly utilizing the CLR. During the process's lifecycle, the typical CPU resource utilization is about 0.0004% including both foreground and background operations, the average private memory consumption is about 2.17 MB with the maximum memory reaching around 4.22 MB. Addionally, typically read and write I/O disk operations is about 68 Bytes per minute for reads and 24 Bytes per minute for writes.

Microsoft Message Queuing or MSMQ is a Message Queue implementation. MSMQ is essentially a messaging protocol that allows applications running on separate servers/processes to communicate in a failsafe manner. A queue is a temporary storage location from which messages can be sent and received reliably, as and when conditions permit.