Categories: Trojan

MSIL/TrojanDropper.Agent.FIO removal

The MSIL/TrojanDropper.Agent.FIO 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 MSIL/TrojanDropper.Agent.FIO virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • A script process created a new process
  • Creates a hidden or system file
  • Attempts to execute suspicious powershell command arguments
  • Binary compilation timestomping detected

How to determine MSIL/TrojanDropper.Agent.FIO?


File Info:

name: 2EB7D58A71C6A56B4C6E.mlwpath: /opt/CAPEv2/storage/binaries/f2940da81a037552408427beeb093eb955f3e548b04f4e4292b1ce1a1784ffdacrc32: A66A5FF2md5: 2eb7d58a71c6a56b4c6edabf0c8e6a83sha1: e48edf375fbe008ee14a5cd541468ecb9d981f1fsha256: f2940da81a037552408427beeb093eb955f3e548b04f4e4292b1ce1a1784ffdasha512: 93a7157d82763a8b99c27967c62178fe6d6976a3ce23333812f301ec0b212431c9f0f085bc9485796dd7f378409beeb75933dcffa637acb5dcd9ce395198e484ssdeep: 3072:OJRkhNqmPPP1NMpqBbh+TmG3SE72MEt4u4ODBhdGd3JthUpHftCEZfx/0ZBew+P+:vhNLBtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AA84B63DCC68423FC2B7D23DC9CA8A07F896491B371DED4AA0D773965523183B99216Esha3_384: b3b5f8a2a5f1505b9a64bcb5722d33c5535836acd70c35eddacfebcde233b4007452d97ef4cb76a393499b3039d3a765ep_bytes: ff250020400000000000000000000000timestamp: 2056-06-23 06:00:10

Version Info:

Translation: 0x0000 0x04b0Comments: TORCompanyName: TORFileDescription: TORFileVersion: 1.0.0.0InternalName: TOR.exeLegalCopyright: TORLegalTrademarks: TOROriginalFilename: TOR.exeProductName: TORProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

MSIL/TrojanDropper.Agent.FIO also known as:

Lionic Trojan.Win32.Malicious.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
FireEye Generic.mg.2eb7d58a71c6a56b
McAfee RDN/AsyncRAT
Cylance Unsafe
Zillya Dropper.Agent.Win32.468069
Sangfor Trojan.Win32.Sabsik.FL
K7AntiVirus Trojan ( 0058b94b1 )
Alibaba Trojan:MSIL/DropperX.6407b58f
K7GW Trojan ( 0058b94b1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZemsilF.34114.ym0@amqnEtn
Cyren W32/MSIL_Agent.CMK.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 MSIL/TrojanDropper.Agent.FIO
TrendMicro-HouseCall TROJ_FRS.VSNTL921
Paloalto generic.ml
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.Drop.jjhbgb
Avast Win32:DropperX-gen [Drp]
Tencent Msil.Trojan.Msil.Hvjr
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Emsisoft Gen:Heur.MSIL.Bladabindi.1 (B)
Comodo Malware@#43lilirl166q
TrendMicro TROJ_FRS.VSNTL921
McAfee-GW-Edition RDN/AsyncRAT
Sophos Mal/Generic-S
APEX Malicious
GData Gen:Heur.MSIL.Bladabindi.1
Jiangmin Heur.MSIL.ahk
Avira TR/Drop.Agent.erfhb
MAX malware (ai score=85)
Antiy-AVL Trojan/Generic.ASMalwS.34E7958
Gridinsoft Ransom.Win32.Bladabindi.sa
ViRobot Trojan.Win32.Z.Agent.404480.TY
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win.AsyncRAT.C4878218
Malwarebytes Backdoor.Bladabindi
Ikarus Trojan-Dropper.MSIL.Agent
Yandex Trojan.DR.Agent!PdsyiqN+/68
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Agent.FIO!tr
AVG Win32:DropperX-gen [Drp]
Cybereason malicious.a71c6a

How to remove MSIL/TrojanDropper.Agent.FIO?

  • 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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