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Linux.Packed.40

Added to the Dr.Web virus database: 2017-11-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/yzhjdtaolr
  • /etc/cron.hourly/cron.sh
  • /etc/crontab
  • /etc/init.d/.depend.boot
  • /etc/init.d/.depend.start
  • /etc/init.d/.depend.stop
  • /etc/init.d/nybpyyitbh
Creates or modifies the following symlinks:
  • /etc/rc1.d/S90yzhjdtaolr
  • /etc/rc2.d/S90yzhjdtaolr
  • /etc/rc3.d/S90yzhjdtaolr
  • /etc/rc4.d/S90yzhjdtaolr
  • /etc/rc5.d/S90yzhjdtaolr
  • /etc/rc1.d/S01yzhjdtaolr
  • /etc/rc2.d/S01yzhjdtaolr
  • /etc/rc3.d/S01yzhjdtaolr
  • /etc/rc4.d/S01yzhjdtaolr
  • /etc/rc5.d/S01yzhjdtaolr
  • /etc/rc1.d/S90nybpyyitbh
  • /etc/rc2.d/S90nybpyyitbh
  • /etc/rc3.d/S90nybpyyitbh
  • /etc/rc4.d/S90nybpyyitbh
  • /etc/rc5.d/S90nybpyyitbh
Malicious functions:
Removes itself
Launches itself as a daemon
Manages services:
  • update-rc.d yzhjdtaolr defaults
  • systemctl daemon-reload
  • update-rc.d yzhjdtaolr remove
  • update-rc.d nybpyyitbh defaults
Launches processes:
  • /boot/yzhjdtaolr
  • chkconfig --add yzhjdtaolr
  • sh -c sed -i '/\/etc\/cron.hourly\/cron.sh/d' /etc/crontab && echo '*/3 * * * * root /etc/cron.hourly/cron.sh' >> /etc/crontab
  • sed -i /\/etc\/cron.hourly\/cron.sh/d /etc/crontab
  • /boot/touzeqfkpa cd /etc 688
  • /sbin/insserv yzhjdtaolr
  • /boot/zwzamrflae echo \"find\" 688
  • /boot/adrjyvooty ifconfig eth0 688
  • /boot/tnmnqgltnt route -n 688
  • /boot/tneaxdagyx echo \"find\" 688
  • /boot/rasuaviszz ls -la 688
  • /boot/nipfxxmxvi echo \"find\" 688
  • chkconfig --del yzhjdtaolr
  • /boot/nybpyyitbh
  • chkconfig --add nybpyyitbh
  • /sbin/insserv
  • /sbin/insserv nybpyyitbh
  • /boot/oxcchrekxl cd /etc 737
  • /boot/tmxvlfbfyp bash 737
  • /boot/yabaaxgpxn netstat -antop 737
  • /boot/pcoxtlrdtj uptime 737
  • /boot/sybynctnun who 737
Performs operations with the file system:
Modifies file access rights:
  • /etc/sedaxW3Qu
  • /etc/sed7JvBTm
Creates or modifies files:
  • /lib/udev/udev
  • /boot/yzhjdtaolr
  • /etc/sedaxW3Qu
  • /var/run/sftp.pid
  • /run/sftp.pid
  • /boot/touzeqfkpa
  • /boot/zwzamrflae
  • /boot/adrjyvooty
  • /boot/tnmnqgltnt
  • /boot/tneaxdagyx
  • /boot/rasuaviszz
  • /boot/nipfxxmxvi
  • /boot/nybpyyitbh
  • /etc/sed7JvBTm
  • /boot/oxcchrekxl
  • /boot/tmxvlfbfyp
  • /boot/yabaaxgpxn
  • /boot/pcoxtlrdtj
  • /boot/sybynctnun
Deletes files:
  • /lib/udev/udev
  • /etc/rc1.d/S90yzhjdtaolr
  • /etc/rc2.d/S90yzhjdtaolr
  • /etc/rc3.d/S90yzhjdtaolr
  • /etc/rc4.d/S90yzhjdtaolr
  • /etc/rc5.d/S90yzhjdtaolr
  • /etc/rc.d/rc1.d/S90yzhjdtaolr
  • /etc/rc.d/rc2.d/S90yzhjdtaolr
  • /etc/rc.d/rc3.d/S90yzhjdtaolr
  • /etc/rc.d/rc4.d/S90yzhjdtaolr
  • /etc/rc.d/rc5.d/S90yzhjdtaolr
  • /boot/touzeqfkpa
  • /boot/zwzamrflae
  • /boot/adrjyvooty
  • /boot/tnmnqgltnt
  • /boot/tneaxdagyx
  • /boot/rasuaviszz
  • /boot/nipfxxmxvi
  • /boot/yzhjdtaolr
  • /etc/init.d/yzhjdtaolr
  • /etc/rc1.d/S90nybpyyitbh
  • /etc/rc2.d/S90nybpyyitbh
  • /etc/rc3.d/S90nybpyyitbh
  • /etc/rc4.d/S90nybpyyitbh
  • /etc/rc5.d/S90nybpyyitbh
  • /etc/rc.d/rc1.d/S90nybpyyitbh
  • /etc/rc.d/rc2.d/S90nybpyyitbh
  • /etc/rc.d/rc3.d/S90nybpyyitbh
  • /etc/rc.d/rc4.d/S90nybpyyitbh
  • /etc/rc.d/rc5.d/S90nybpyyitbh
  • /etc/rc1.d/S01yzhjdtaolr
  • /etc/rc2.d/S01yzhjdtaolr
  • /etc/rc3.d/S01yzhjdtaolr
  • /etc/rc4.d/S01yzhjdtaolr
  • /etc/rc5.d/S01yzhjdtaolr
  • /boot/oxcchrekxl
  • /boot/tmxvlfbfyp
  • /boot/yabaaxgpxn
  • /boot/pcoxtlrdtj
  • /boot/sybynctnun
Network activity:
Establishes connection:
  • 11#.##8.88.136:2897
  • 20#.###.152.209:2897
DNS ASK:
  • yy###.tpddns.cn
  • li###.bc5j.com
Other:
Collects information about network activity

Curing recommendations


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