Made further captures... now I tweaked a bit DScaler; this time I used overlay, default settings - the brighter band seems gone now
Here you are the raw capture clip:
YouTube
http://www.youtube.com/watch?v=2eYB6h6bYl0
Uncompressed (54MB)
http://www.fileconvoy.com/dfl.php?id=gaee7c86600ad6b4b159104d1058e51a9210e2e
It seems that smearing is not present, but a comment from a more experience user is highly appreciated.