Categories: Malware

Win32/Injector.KFO removal

The Win32/Injector.KFO 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 Win32/Injector.KFO virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • At least one process apparently crashed during execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid

How to determine Win32/Injector.KFO?


File Info:

name: AE4484E2B260AAE5C37D.mlwpath: /opt/CAPEv2/storage/binaries/c21ac6c408e1dce4ffa007e119dd799d93954b67953aba233302c1faec935c60crc32: 1FCF82CEmd5: ae4484e2b260aae5c37d760b5caf4550sha1: 0688f9cd6aff7d331b49dcad3c4c6020cdce2491sha256: c21ac6c408e1dce4ffa007e119dd799d93954b67953aba233302c1faec935c60sha512: 1d70191a177f303f0cc028acc9c1dce08bbf172df184eea9d721b224ac9d2867ee63d066f0e676b7bcb3e2a1bd8a09d6d54d44fd02df36f8e2119615cf9adbb9ssdeep: 1536:w0OGjremDFCaDozoXA0gAcHKVoHPUFXxo0hnQLoa1zWOAeVFv:wIjremDoa+W8A2KKMFBPhn8akvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18243F1E0869CC82DD16DFABC4A7CBB645A337E9910774628CED0334B4D982136E6539Dsha3_384: 675b317913a9873d7a9357f73fc4bd0baf89749c6b5939a0b5b22100018f65002c6ed5bf6316eac8b31429f7a07c9e6aep_bytes: 60be001041008dbe0000ffff5783cdfftimestamp: 2011-10-18 18:20:13

Version Info:

CompanyName: JnJNVPFnFileDescription: dQiBXyFileVersion: 1,3,1,9InternalName: ValLzMDULegalCopyright: © EoCUTgmP 2001-2011. All rights reserved.OriginalFilename: lwjjAdELyk.exeProductName: nNXdVOIQkRXProductVersion: 1,3,1,9Translation: 0x0409 0x04e4

Win32/Injector.KFO also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Qbot.lF20
Elastic malicious (moderate confidence)
MicroWorld-eScan Gen:Heur.ManBat.1
ALYac Gen:Heur.ManBat.1
Cylance Unsafe
K7AntiVirus Password-Stealer ( 002ea6251 )
K7GW Trojan ( 002ea6251 )
Cybereason malicious.2b260a
Cyren W32/Zbot.CP.gen!Eldorado
ESET-NOD32 a variant of Win32/Injector.KFO
APEX Malicious
Kaspersky Trojan-PSW.Win32.Qbot.dpg
BitDefender Gen:Heur.ManBat.1
Avast FileRepMalware [Trj]
Tencent Win32.Init.QQRob.cnzw
Ad-Aware Gen:Heur.ManBat.1
Sophos Troj/PWS-BUK
Comodo TrojWare.Win32.Spy.Zbot.SBBC@4p0qei
DrWeb Trojan.Packed
TrendMicro TROJ_KRYPTK.SMQG
McAfee-GW-Edition BehavesLike.Win32.BadFile.qc
Trapmine suspicious.low.ml.score
FireEye Generic.mg.ae4484e2b260aae5
Emsisoft Gen:Heur.ManBat.1 (B)
SentinelOne Static AI – Malicious PE
GData Gen:Heur.ManBat.1
Webroot W32.Malware.Gen
Avira TR/Spy.Zbot.25688
MAX malware (ai score=80)
Arcabit Trojan.ManBat.1
Microsoft VirTool:Win32/Vigorf.A
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Qbot.R17055
McAfee GenericRXAA-FA!AE4484E2B260
VBA32 BScope.Trojan.Agent
Malwarebytes Malware.Heuristic.1003
TrendMicro-HouseCall TROJ_KRYPTK.SMQG
Rising Trojan.Injector!8.C4 (CLOUD)
Yandex Trojan.GenAsa!Upiar+uWU2k
Ikarus Trojan-PWS.Win32.Qbot
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Crypt.AAAH!tr
BitDefenderTheta Gen:NN.ZexaF.34742.dmKfaOhZVqci
AVG FileRepMalware [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_70% (W)

How to remove Win32/Injector.KFO?

  • 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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