Yeah. It's just the injector I think. It gets a random name. There's no malware. There's a bunch of normal users that make stuff here with access to the core code.
It'll have a different random name next time you run it too. It's best to exempt that whole directory from antivirus. Anything that triggers keystrokes (moves your character for you etc) can set off certain antivirus programs and such. BitDefender is the worst offender on this.
@wired420 is absolutely correct. However you don't have to take our word for it. You can double check the current random name by opening the EQBCS.ini file (located in the base folder for your MacroQuest installation) and the MacroQuest.ini (located in the config folder of your MacroQuest installation) file in a text editor.
The EQBCS file will have an entry that looks like: