The luckforsale-campaign also includes a whole bunch of additional (vote-only) sockpuppets that should be watched closely, they will likely shift their posting activity into those accounts if their rewards on the published accounts keep getting hit.
I have not yet had time to analyze this voting ring any closer, but I'll collect the full list of their sockpuppets eventually. We need to keep up with them, they are still able to rake in too much with their spam, I've tried my best to reduce rewards on 6-7day old posts for the two most actively spamming accounts: @zhuw08110 & @cczhou