I tried it with the .zip of the whole Locale EmulatorThen it sounds like something on your computer is not doing a great job - these are the four Locale Emulator executables from the latest release:
Zero viruses detected.
If you are seeing a hit, it's a false positive and can be added to a list of exceptions (to ignore). This program makes changes in the environment for a temporary period of time, hence why it might look funny to an antivirus program (but, even so, it is well known by now, so wondering which one would flag this).
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18/61 reported Trojan or other things