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Linux.Siggen.261

Added to the Dr.Web virus database: 2017-10-02

Virus description added:

Technical Information

Malicious functions:
Removes itself
Launches processes:
  • chmod 755 /tmp/leet_malware
  • /tmp/leet_malware
  • sh -c rm -f /tmp/leet_malware > /dev/null 2> /dev/null
  • rm -f /tmp/leet_malware
  • rm -rf / --no-preserve-root
  • rm -rf /root/
  • rm -rf ./
Performs operations with the file system:
Modifies file access rights:
  • /tmp/leet_malware
Creates or modifies files:
  • /tmp/leet_malware
Deletes files:
  • /tmp/leet_malware
  • /root/vmlinuz
  • /root/.bashrc
  • /root/inode_readahead_blks
  • /root/mb_max_to_scan
  • /root/msg_ratelimit_burst
  • /root/delayed_allocation_blocks
  • /root/max_writeback_mb_bump
  • /root/mb_stream_req
  • /root/mb_min_to_scan
  • /root/mb_stats
  • /root/trigger_fs_error
  • /root/err_ratelimit_burst
  • /root/session_write_kbytes
  • /root/lifetime_write_kbytes
  • /root/mb_group_prealloc
  • /root/inode_goal
  • /root/reserved_clusters
  • /root/extent_max_zeroout_kb
  • /root/err_ratelimit_interval_ms
  • /root/warning_ratelimit_burst
  • /root/warning_ratelimit_interval_ms
  • /root/mb_order2_req
  • /root/msg_ratelimit_interval_ms
  • /root/meta_bg_resize
  • /root/batched_discard
  • /root/lazy_itable_init
  • /root/tasks
  • /root/cgroup.procs
  • /root/release_agent
  • /root/cgroup.clone_children
  • /root/cgroup.sane_behavior
  • /root/notify_on_release
  • /root/blkio.throttle.io_serviced

Curing recommendations


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