dtr144.hlp definition, relationships, removal:

This is a part of a malicious parasite that violates user privacy and damages the compromised system. The dtr144.hlp file can be used for different purposes depending on the related parasite's type, functionality and carried payload. Although dtr144.hlp may not take any malicious actions by itself, it ensures that a parasite is working properly and therefore needs to be removed. DO NOT open, execute or edit dtr144.hlp!
The dtr144.hlp file is installed and used by DTr.
In some cases a presence of dtr144.hlp does not mean that your system is infected. The file may actually belong to some fully legitimate applications and therefore must stay intact. If you are in doubt, please scan the dtr144.hlp file using you regular spyware remover or antivirus program.