I believe you are right on M. I frequently read Dwight Silverman and here is his post on same issue. "On Monday, the FBI will kill Internet access for thousands. Don’t be one of them."
If you scroll down in his article there is a link where you can check your computer to see if it will affect you.
"If you would like to check your computer and you live in the United States, you can visit this link. If your PC is clean, you’ll see this screen"