I suppose there's no need for an adversary to use Kaspersky when it's being done all the time with 'lesser' programs.
I'm perhaps not as neurotic as I thought I was.
One of the Snowden leaked files.
• NSA developed sophisticated malware "implants" to infect millions of computers worldwide. In one example, the NSA posed as a fake Facebook server to infect a target's computer and steal files. — March 12, 2014