Categories: Trojan

Should I remove “Trojan:Win32/Koutodoor.B”?

The Trojan:Win32/Koutodoor.B 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Trojan:Win32/Koutodoor.B virus can do?

  • Loads a driver
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Trojan:Win32/Koutodoor.B?


File Info:

crc32: 60601669md5: f2c09d8c68eb78555d8d97d38d7e3ab2name: F2C09D8C68EB78555D8D97D38D7E3AB2.mlwsha1: 4bca21c3254b6c1f1e6b196fadf59b860fb170c5sha256: 36f2977ff11929ac2805a3009a7642a9bc2cb8bc7d089a9a24ba799444943171sha512: 2145d6e87874fc7f60edc5456f7335d37d73bc07ab5cecfce5f2e2c461ba244d645375320fe963021c9d23a25bc7b46f11d4b2c277be1a7737a89a1b96f1225assdeep: 1536:/B2XkZoK4w7e7Aq2xBsr5I75Aj7MHXNXXflJY04UhfPro65s:J20ZoK4w7e7Aq2xBsr675Aj7MH19JZDtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Koutodoor.B also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004cc2481 )
Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen6.62927
Cynet Malicious (score: 100)
ALYac Gen:Heur.Krypt.6
Cylance Unsafe
Zillya Trojan.Koutodoor.Win32.35870
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Koutodoor.7a5e0dd9
K7GW Trojan ( 004cc2481 )
Cybereason malicious.c68eb7
Baidu Win32.Rootkit.Koutodoor.a
Cyren W32/Koutodoor.A.gen!Eldorado
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/Koutodoor.BV
APEX Malicious
Avast Win32:RtkDL [Rtk]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Krypt.6
NANO-Antivirus Trojan.Win32.MlwGen.edlowt
MicroWorld-eScan Gen:Heur.Krypt.6
Tencent Win32.Trojan.Obfuscator.Ednc
Ad-Aware Gen:Heur.Krypt.6
Sophos Mal/Kouto-D
Comodo TrojWare.Win32.Zybr.D@1h4wlc
BitDefenderTheta Gen:NN.ZexaF.34088.fmW@amvaRsl
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_KTODOOR.SMF
McAfee-GW-Edition BehavesLike.Win32.VirRansom.mc
FireEye Generic.mg.f2c09d8c68eb7855
Emsisoft Gen:Heur.Krypt.6 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/JunkCode.Gen
Avira TR/Crypt.ZPACK.Gen
eGambit Generic.Dropper
Antiy-AVL Trojan/Generic.ASMalwS.19068B0
Microsoft Trojan:Win32/Koutodoor.B
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Krypt.6
AhnLab-V3 Trojan/Win32.Hmir.R2706
Acronis suspicious
McAfee generic!bg.ftt
MAX malware (ai score=100)
VBA32 BScope.TrojanDropper.Koutodoor
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_KTODOOR.SMF
Rising Trojan.Generic@ML.94 (RDML:IGIvCPSj4PzvrcT0eSp8LQ)
Yandex Trojan.GenAsa!HHKeANDDkcI
Ikarus Trojan-Dropper.Win32.Koutodoor
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Koutodoor.PAK!tr
AVG Win32:RtkDL [Rtk]
Paloalto generic.ml

How to remove Trojan:Win32/Koutodoor.B?

  • 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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