Categories: Backdoor

Backdoor:Linux/DemonBot malicious file

The Backdoor:Linux/DemonBot is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Backdoor:Linux/DemonBot virus can do?

  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • A potential decoy document was displayed to the user
  • Network activity detected but not expressed in API logs
  • Harvests information related to installed mail clients

How to determine Backdoor:Linux/DemonBot?


File Info:

crc32: A94A19B2md5: eeb45b7971918007d607e13896479841name: tmpcqulkuz1sha1: c19fd573a392130a7ef89351e87e995eadc4c756sha256: 86a420c8de2a56a5ecd3ce6392d3c4b0e4e5217bfefe9cfdb77a02d1cebbaebbsha512: a934a39fcf33b63f9bd54b6e01eb4b9a3017112956478ef8bcff5d1003f2be142112add4d74acf70ef501d776e2e73823093ac42fd0ffe76464cf378d44dbefbssdeep: 3072:24obK0vGayP+wTgGmWrkzMPE+mBQO/IXZFW:24o9Ga2TgGkkE+mBQO/OZFWtype: ELF 32-bit LSB executable, ARM, EABI4 version 1 (SYSV), statically linked, not stripped

Version Info:

0: [No Data]

Backdoor:Linux/DemonBot also known as:

DrWeb Linux.BackDoor.Fgt.209
ClamAV Unix.Dropper.Mirai-7139232-0
FireEye Gen:Variant.Trojan.Linux.Gafgyt.5
McAfee Linux/HeliBot!EEB45B797191
Sangfor Malware
BitDefenderTheta Gen:NN.Mirai.34128
ESET-NOD32 a variant of Linux/Gafgyt.AOZ
TrendMicro-HouseCall Backdoor.Linux.BASHLITE.SMJC11
Avast ELF:DDoS-S [Trj]
Cynet Malicious (score: 85)
GData Gen:Variant.Trojan.Linux.Gafgyt.5
Kaspersky HEUR:Backdoor.Linux.Gafgyt.bj
BitDefender Gen:Variant.Trojan.Linux.Gafgyt.5
MicroWorld-eScan Gen:Variant.Trojan.Linux.Gafgyt.5
Rising Backdoor.Gafgyt/Linux!1.BAF4 (CLASSIC)
Ad-Aware Gen:Variant.Trojan.Linux.Gafgyt.5
F-Secure Malware.LINUX/Gafgyt.opnd
TrendMicro Backdoor.Linux.BASHLITE.SMJC11
McAfee-GW-Edition Linux/HeliBot!EEB45B797191
Emsisoft Gen:Variant.Trojan.Linux.Gafgyt.5 (B)
Ikarus Trojan.Linux.Fgt
Jiangmin Backdoor.Linux.cnai
Avira LINUX/Gafgyt.opnd
Antiy-AVL Trojan[Backdoor]/Linux.Gafgyt.bj
Microsoft Backdoor:Linux/DemonBot
Arcabit Trojan.Trojan.Linux.Gafgyt.5
AhnLab-V3 Linux/Gafgyt.Gen33
ZoneAlarm HEUR:Backdoor.Linux.Gafgyt.bj
Avast-Mobile ELF:DDoS-S [Trj]
ALYac Gen:Variant.Trojan.Linux.Gafgyt.5
Tencent Backdoor.Linux.Gafgyt.fz
MAX malware (ai score=88)
Fortinet ELF/Gafgyt.BJ!tr
AVG ELF:DDoS-S [Trj]

How to remove Backdoor:Linux/DemonBot?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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