I've been using lastpass for years, and haven't seen anything remotely similar.
Maybe their cdn got hijacked?
Maybe their cdn got hijacked?
I don't think their product is affected, just what gets installed is <nasty>.
I just downloaded:
0778d4528381917a8beaebfa3c033cc81157439fae01c082e8e7f33b51e37340 lpmacosx.zip