The report below shows that Avira is the answer of your question.
On page 6 of that report it says that "AVG, AVIRA: asked to do not enable/consider the informational warnings of packers as detections." and I think this enabled option in your PC gives you warning all the time. But be careful it says "warning" not "VIRUS" (refering your post to Etabs v9.7.1).
Code:
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On page 6 of that report it says that "AVG, AVIRA: asked to do not enable/consider the informational warnings of packers as detections." and I think this enabled option in your PC gives you warning all the time. But be careful it says "warning" not "VIRUS" (refering your post to Etabs v9.7.1).
Any content in the links of this post is for evaluational purposes and not to be used in any other way. If you don't agree that, you must not use it. If it's not free and you're using it in any other way than evaluational purposes, you have to buy a licence.