RKhunter log

Should i be afraid of this ?
Performing file properties checks
Checking for prerequisites [ Warning ]
/sbin/depmod [ OK ]
/sbin/fsck [ OK ]
/sbin/ifconfig [ OK ]
/sbin/ifdown [ OK ]
/sbin/ifup [ OK ]
/sbin/init [ OK ]
/sbin/insmod [ OK ]
/sbin/ip [ OK ]
/sbin/lsmod [ OK ]
/sbin/modinfo [ OK ]
/sbin/modprobe [ OK ]
/sbin/rmmod [ OK ]
/sbin/route [ OK ]
/sbin/runlevel [ OK ]
/sbin/sulogin [ Warning ]
/sbin/sysctl [ OK ]
/usr/sbin/adduser [ OK ]
/usr/sbin/chroot [ Warning ]
/usr/sbin/cron [ OK ]
/usr/sbin/groupadd [ Warning ]
/usr/sbin/groupdel [ Warning ]
/usr/sbin/groupmod [ Warning ]
/usr/sbin/grpck [ Warning ]
/usr/sbin/inetd [ Warning ]
/usr/sbin/nologin [ Warning ]
/usr/sbin/pwck [ Warning ]
/usr/sbin/rsyslogd [ OK ]
/usr/sbin/tcpd [ OK ]
/usr/sbin/useradd [ Warning ]
/usr/sbin/userdel [ Warning ]
/usr/sbin/usermod [ Warning ]
/usr/sbin/vipw [ Warning ]
/bin/bash [ OK ]
/bin/cat [ Warning ]
/bin/chmod [ Warning ]
/bin/chown [ Warning ]
/bin/cp [ Warning ]
/bin/date [ Warning ]
/bin/df [ Warning ]
/bin/dmesg [ OK ]
/bin/echo [ Warning ]
/bin/ed [ OK ]
/bin/egrep [ OK ]
/bin/fgrep [ OK ]
/bin/fuser [ Warning ]
/bin/grep [ OK ]
/bin/ip [ OK ]
/bin/kill [ OK ]
/bin/less [ OK ]
/bin/login [ Warning ]
/bin/ls [ Warning ]
/bin/lsmod [ OK ]
/bin/mktemp [ Warning ]
/bin/more [ OK ]
/bin/mount [ OK ]
/bin/mv [ Warning ]
/bin/netstat [ OK ]
/bin/ps [ OK ]
/bin/pwd [ Warning ]
/bin/readlink [ Warning ]
/bin/sed [ OK ]
/bin/sh [ OK ]
/bin/su [ Warning ]
/bin/touch [ Warning ]
/bin/uname [ Warning ]
/bin/which [ OK ]
/bin/dash [ OK ]
/usr/bin/awk [ OK ]
/usr/bin/basename [ Warning ]
/usr/bin/chattr [ OK ]
/usr/bin/curl [ OK ]
/usr/bin/cut [ Warning ]
/usr/bin/diff [ OK ]
/usr/bin/dirname [ Warning ]
/usr/bin/dpkg [ Warning ]
/usr/bin/dpkg-query [ Warning ]
/usr/bin/du [ Warning ]
/usr/bin/env [ Warning ]
/usr/bin/file [ OK ]
/usr/bin/find [ OK ]
/usr/bin/GET [ Warning ]
/usr/bin/groups [ Warning ]
/usr/bin/head [ Warning ]
/usr/bin/id [ Warning ]
/usr/bin/killall [ Warning ]
/usr/bin/last [ Warning ]
/usr/bin/lastlog [ Warning ]
/usr/bin/ldd [ Warning ]
/usr/bin/less [ OK ]
/usr/bin/locate [ OK ]
/usr/bin/logger [ OK ]
/usr/bin/lsattr [ OK ]
/usr/bin/lsof [ OK ]
/usr/bin/md5sum [ Warning ]
/usr/bin/mlocate [ OK ]
/usr/bin/newgrp [ Warning ]
/usr/bin/passwd [ Warning ]
/usr/bin/perl [ Warning ]
/usr/bin/pgrep [ OK ]
/usr/bin/pstree [ Warning ]
/usr/bin/rkhunter [ OK ]
/usr/bin/runcon [ Warning ]
/usr/bin/sha1sum [ Warning ]
/usr/bin/sha224sum [ Warning ]
/usr/bin/sha256sum [ Warning ]
/usr/bin/sha384sum [ Warning ]
/usr/bin/sha512sum [ Warning ]
/usr/bin/size [ OK ]
/usr/bin/sort [ Warning ]
/usr/bin/stat [ Warning ]
/usr/bin/strace [ OK ]
/usr/bin/strings [ OK ]
/usr/bin/sudo [ OK ]
/usr/bin/tail [ Warning ]
/usr/bin/test [ Warning ]
/usr/bin/top [ OK ]
/usr/bin/touch [ Warning ]
/usr/bin/tr [ Warning ]
/usr/bin/uniq [ Warning ]
/usr/bin/users [ Warning ]
/usr/bin/vmstat [ OK ]
/usr/bin/w [ OK ]
/usr/bin/watch [ OK ]
/usr/bin/wc [ Warning ]
/usr/bin/wget [ OK ]
/usr/bin/whatis [ Warning ]
/usr/bin/whereis [ OK ]
/usr/bin/which [ OK ]
/usr/bin/who [ Warning ]
/usr/bin/whoami [ Warning ]
/usr/bin/unhide.rb [ Warning ]
/usr/bin/mawk [ OK ]
/usr/bin/lwp-request [ Warning ]
/usr/bin/w.procps [ OK ]
Performing filesystem checks
Checking /dev for suspicious file types [ None found ]
Checking for hidden files and directories [ Warning ]

File properties checks...
Required commands check failed
Files checked: 134
Suspect files: 70

 

thanks a lot