chrootkit suspicious files and directories

[sp11 <sp113438@telfort.nl>]

Hello,

chrootkit gives following message:

Searching for suspicious files and dirs, it may take a while...
 
The following suspicious files and directories were found: 

/usr/lib/pymodules/python2.6/PyQt4/uic/widget-plugins/.noinit 
/usr/lib/pymodules/python2.6/.path 
/usr/lib/pymodules/python2.5/PyQt4/uic/widget-plugins/.noinit 
/usr/lib/pymodules/python2.5/.path 
/usr/lib/icedove/.autoreg 
/usr/lib/xulrunner-1.9.1/.autoreg 
/usr/lib/iceweasel/.autoreg 
/usr/lib/iceape/.autoreg 
/usr/lib/jvm/.java-6-openjdk.jinfo 
/usr/lib/jvm/java-1.5.0-gcj-4.4/.java-gcj-4.4.jinfo 
/lib/init/rw/.ramfs

Running Squeeze on amd64.

Any ideas?

Thanks.