Receiving stolen property is a criminal offense.Buying is not a crime plus you can use the software if do not infringe copyright laws. Which is possible what are they going to get these sellers are in Russia good luck with that
If you are not buying from a resller on this list, or buying/transferring an active license from someone who did, it is theft and piracy.How to be sure that we are victim or not from piracy. Can we verify our serial number or our software. Are there any solution before buying?