We found what the problem is (About "Virus"), it is really related to the engine. There is actually no virus there, it seems that the antivirus reacts to an empty file created by renpy. Do not worry about it, just ignore it. The creator of the engine himself said that these are false positives from antivirus (I downloaded this and when I tried to run the application, windows popped up and protected my computer so I didn't run it.
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). In about a week (maximum two) will come out the second hotfix, there we will try to fix it. In version 0.03 there will be no more such false positives.