One of Tuesday’s Flash Player patches was a do-over after the researcher who privately reported the problem earlier this year discovered the original patch incompletely resolved the issue.

A malware dropper with designs on specific targets was found in a private underground forum and is likely the predecessor to the Furtim malware that was uncovered in May. Researchers at SentinelOne today published a report that says the dropper sample they investigated, which they’re calling SFG, was built to target at least one unnamed...