Appear to me, this malware would be ideal for launching the next generation of ransomware attacks that have already occurred. That is, uploading all data from the target and then deleting all those files. Whereas backups will recover your data, your still susceptible to being blackmailed by the perpetrator. If you don't pay up, he will sell all your critical data and trade secrets to the highest bidder on the Dark Web. And it goes with saying that just like real world blackmail, the payments never end or the data will still be sold.
Really glad you're consistently pressing about this and other recent articles that concern it as well by keeping on top of things too. Matters can more easily go south quickly in-massa and more than just the occasional widespread like the WCrypt just experienced globally. With additional tools to tap now the possibilities have widened immensely of what might be possible down the road coming up, ugh.