Categories: Ransom

Should I remove “Troj/Ransom-FSO”?

The Troj/Ransom-FSO 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 Troj/Ransom-FSO virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • Starts servers listening on 127.0.0.1:46715
  • Reads data out of its own binary image
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Installs Tor on the infected machine
  • Installs itself for autorun at Windows startup
  • Collects information about installed applications
  • Creates a hidden or system file
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Troj/Ransom-FSO?


File Info:

crc32: 1D335E4Amd5: 346c0d5722c95ac1ab099227c70e2b9fname: 2c.jpgsha1: dc859baf9302230f7b9eedf8347ab258e0add5bfsha256: cb229ca0114835dd255b1069e9995581217ac862347fa81f8c6bd230bb3edcc2sha512: b4b9aa0ada60ff0e16ec40928827f1f9b13b4241e1902c638217dc62bed13794d06d838ce84b4062edcfe5a6c8dece2ce09debb3e7ad73fc1cd20565f34adac3ssdeep: 24576:K0XoSFVAgm6Tmhjh5PIiZzIibVAnh163BJcb:K/CVs6mjh9bVyaxKbtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileOldVersion: 1.0.4.4InternalName: gjdtth.exeCopyright: Copyright (C) 2020, odfgbivTranslation: 0x0841 0x04c4

Troj/Ransom-FSO also known as:

Bkav W32.AIDetectVM.malware
MicroWorld-eScan Trojan.GenericKD.32713656
FireEye Generic.mg.346c0d5722c95ac1
CAT-QuickHeal Ransom.Stop.P5
McAfee GenericRXJC-QW!346C0D5722C9
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0055b0f71 )
BitDefender Trojan.GenericKD.32713656
K7GW Trojan ( 0055b0f71 )
Cybereason malicious.f93022
TrendMicro Trojan.Win32.SMOKELOAD.SMD2.hp
F-Prot W32/Shade.AP
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Tofsee-7489241-0
GData Trojan.GenericKD.32713656
Kaspersky Trojan-Ransom.Win32.Agent.avzi
Alibaba Ransom:Win32/Troldesh.1b735222
NANO-Antivirus Trojan.Win32.Encoder.ghvfsb
AegisLab Adware.Win32.SoftPulse.m2pZ
Rising Trojan.Kryptik!1.BE74 (CLOUD)
Endgame malicious (high confidence)
Emsisoft Trojan.Generic.EF (A)
Comodo Malware@#3rlp9qyu0qu4z
F-Secure Heuristic.HEUR/AGEN.1045577
DrWeb Trojan.Encoder.858
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Trapmine suspicious.low.ml.score
Sophos Troj/Ransom-FSO
Ikarus Trojan-Downloader.Win32.SmokeLoader
Cyren W32/Trojan.NBHE-0176
Jiangmin TrojanDownloader.Bandit.avd
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1045577
Webroot W32.Trojan.Gen
MAX malware (ai score=83)
Antiy-AVL Trojan[Ransom]/Win32.Agent
Arcabit Trojan.Generic.D1F32BB8
ZoneAlarm Trojan-Ransom.Win32.Agent.avzi
Microsoft Ransom:Win32/Troldesh.A
AhnLab-V3 Trojan/Win32.MalPe.R299328
Acronis suspicious
VBA32 BScope.TrojanDownloader.Bandit
ALYac Trojan.Ransom.Shade
Ad-Aware Trojan.GenericKD.32713656
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.GYIT
TrendMicro-HouseCall Trojan.Win32.SMOKELOAD.SMD2.hp
Tencent Win32.Trojan.Agent.Liqu
Yandex Riskware.NetTool!
SentinelOne DFI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GYIT!tr
BitDefenderTheta Gen:NN.ZexaF.34100.av0@auwilQc
AVG Win32:TrojanX-gen [Trj]
Avast Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.Ransom.0e7

How to remove Troj/Ransom-FSO?

  • 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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