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Linux.Siggen.5761

Added to the Dr.Web virus database: 2023-10-09

Virus description added:

Technical Information

Malicious functions:
Removes itself
Manages services:
  • ['systemctl', 'start', 'lcry.service']
  • ['systemctl', 'start', 'monitor.service']
Launches processes:
  • gzip -d
  • openssl enc -pbkdf2 -d -aes256 -pass pass:lcryptor -in /tmp/.lcry650551138/lcry.tgz -out /tmp/.lcry650551138/lcry.dec.tgz
  • tar -C /tmp/.lcry650551138 -xpvf /tmp/.lcry650551138/lcry.dec.tgz
Performs operations with the file system:
Modifies file access rights:
  • /tmp/.lcry650551138/moon.lcry
  • /tmp/.lcry650551138/winner.lcry
Modifies file owner:
  • /tmp/.lcry650551138/moon.lcry
  • /tmp/.lcry650551138/winner.lcry
Creates folders:
  • /tmp/.lcry650551138
Creates or modifies files:
  • /tmp/.lcry650551138/lcry.tgz
  • /tmp/.lcry650551138/lcry.dec.tgz
  • /tmp/.lcry650551138/moon.lcry
  • /tmp/.lcry650551138/winner.lcry
  • /etc/systemd/system/lcry.service
Deletes files:
  • /tmp/.lcry650551138/lcry.dec.tgz
  • /tmp/.lcry650551138/lcry.tgz
Changes time of creation/access/modification of files:
  • /tmp/.lcry650551138/moon.lcry
  • /tmp/.lcry650551138/winner.lcry

Curing recommendations


Linux

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