To post a logfile,you'd open Spybot-S&D Start Center,click System scan,over to the left click Show previous logs,open the Checks logfile with the date of when you did your scan(example:Checks.121221-1908),go to Edit,select all,then rightclick and copy,then paste the logfile here.
For the rootkit scan,please see here:
http://www.safer-networking.org/faq/...ally-rootkits/
That page says if you're unsure about what is found,to ask for help in this section of the forum:
http://forums.spybot.info/forumdisplay.php?f=46