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Linux.Siggen.1015

Added to the Dr.Web virus database: 2018-09-27

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/setenvi
Creates or modifies the following symlinks:
  • /etc/rc2.d/S20setenvi
  • /etc/rc3.d/S20setenvi
  • /etc/rc4.d/S20setenvi
  • /etc/rc5.d/S20setenvi
Malicious functions:
Launches processes:
  • sh -c mount -o remoun
  • mount -o remoun
  • sh -c /usr/bin/setenvi 0 &
  • /usr/bin/setenvi 0
  • sh -c id 2>/dev/null
  • id
Performs operations with the file system:
Modifies file access rights:
  • /usr/bin/setenvi
  • /etc/init.d/setenvi
Deletes folders:
  • <SAMPLE_FULL_PATH>
Creates symlinks:
  • /etc/rcS.d/S20setenvi
Creates or modifies files:
  • /usr/bin/setenvi
  • /var/tmp/.szYgDfgLj
  • /etc/.YqfoeUBtg
Deletes files:
  • <SAMPLE_FULL_PATH>
Mounts file systems:
  • /root/(null)

Curing recommendations


Linux

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