lucy24 - 9:59 pm on Jun 8, 2012 (gmt 0)
If that's an actual log sample the UA question becomes academic because I'm sure everyone recognized
on sight as My Ukrainians (terminology may vary). So they can simply be blocked by IP.
Very-very short UAs are almost bound to be robots, although the bare "Mozilla 4.0" also performs some legitimate human-adjunct function. (I forget what. wilderness or someone like him mentioned it once.)