Seems like I overestimated this - sorry guys, thought it would never happen to me.
Just take it as a reminder to update your system regularly, and be sure to deactivate ActiveX in your browser settings.
Strangely I'm still seeing those characteristic popups when I surf the net, but it seems like they're not related to the security flaw mentioned.
"Never argue with an idiot. People won't know who's who."