Win32/Koutodoor.HL

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Koutodoor.HL infection?

In this post you will certainly find regarding the interpretation of Win32/Koutodoor.HL and also its negative impact on your computer. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom money by a victim.

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In the majority of the cases, Win32/Koutodoor.HL infection will certainly instruct its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has presented to the victim’s gadget.

Win32/Koutodoor.HL Summary

These adjustments can be as follows:

  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Koutodoor.HL

The most typical networks where Win32/Koutodoor.HL Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a malicious software program;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s PC or avoid the device from functioning in an appropriate manner – while likewise placing a ransom money note that mentions the requirement for the victims to effect the repayment for the purpose of decrypting the documents or recovering the documents system back to the preliminary condition. In a lot of circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has actually currently been damaged.

Win32/Koutodoor.HL distribution channels.

In different corners of the globe, Win32/Koutodoor.HL grows by leaps and bounds. However, the ransom money notes and also tricks of obtaining the ransom amount may differ depending upon particular neighborhood (local) setups. The ransom money notes and methods of obtaining the ransom money quantity may vary depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the target’s device. The alert after that demands the user to pay the ransom.

    Faulty statements about unlawful web content.

    In countries where software piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Alternatively, the Win32/Koutodoor.HL popup alert might falsely declare to be deriving from a law enforcement organization and will certainly report having located child porn or other unlawful data on the gadget.

    Win32/Koutodoor.HL popup alert might falsely declare to be acquiring from a legislation enforcement institution and will report having located youngster pornography or various other unlawful data on the tool. The alert will in a similar way contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 882A2CA3
md5: 06ca0eb0a155afc4683ea62016724ece
name: 06CA0EB0A155AFC4683EA62016724ECE.mlw
sha1: fc75e49b373f15f8ca6f271683844f2494a91ccf
sha256: da2f6944b33faf0f3a0753398d3cebc66ed402b857efa3e35dbd6e42fd96948c
sha512: 24f152bf47f2e5b066d79ca83212ae1239332813eacaa2ca34dfaa606c076eb7aec7e9bc785cd9782140d53e91cf3bedeefedaada4c786dafdd117a1bab4fd88
ssdeep: 3072:ulzfI1Dz7OJz54uWtMYEGpgzXC1+baN2Bq:Wz0WFWLqLC1d
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2010
ProductVersion: 1, 0, 0, 0
FileDescription:
FileVersion: 1, 0, 0, 0
CompanyName:
Translation: 0x0804 0x04b0

Win32/Koutodoor.HL also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.Cerber.1
ALYacTrojan.Ransom.Cerber.1
CylanceUnsafe
VIPRETrojan.Win32.Koutodoor.e (v)
SangforRansom.Win32.Cerber_9.se
K7AntiVirusTrojan ( 001930d11 )
BitDefenderTrojan.Ransom.Cerber.1
K7GWTrojan ( 001930d11 )
Cybereasonmalicious.0a155a
BaiduWin32.Rootkit.Koutodoor.a
CyrenW32/Koutodoor.A.gen!Eldorado
SymantecTrojan.Koutodoor!gen
TotalDefenseWin32/Koutodoor.D!generic
APEXMalicious
AvastWin32:Koutodoor-E [Drp]
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Koutodoor.ac54a9a2
NANO-AntivirusTrojan.Win32.MLW.evaszt
ViRobotBackdoor.Win32.Koutodoor.Gen.B
AegisLabTrojan.Win32.Generic.ljJU
RisingTrojan.Fedwj!1.98EA (CLOUD)
Ad-AwareTrojan.Ransom.Cerber.1
EmsisoftTrojan.Ransom.Cerber.1 (B)
ComodoTrojWare.Win32.Zybr.B@1h4wl9
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.Siggen3.64149
ZillyaTrojan.Koutodoor.Win32.9507
TrendMicroBKDR_KTDOOR.SMIC
McAfee-GW-EditionBehavesLike.Win32.Koutodoor.cc
MaxSecureTrojan.Malware.2588.susgen
FireEyeGeneric.mg.06ca0eb0a155afc4
SophosML/PE-A + Mal/Koutodoor-A
IkarusTrojan.Win32.Koutodoor
GDataTrojan.Ransom.Cerber.1
JiangminTrojan/JunkCode.Gen
WebrootW32.Trojan.Gen
AviraTR/Dropper.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.AGeneric
ArcabitTrojan.Ransom.Cerber.1
SUPERAntiSpywareTrojan.Agent/Gen-Koutdoor
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojan:Win32/Koutodoor.E
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Koutodoor12.Gen
Acronissuspicious
McAfeeKoutodoor.gen.g
VBA32BScope.Trojan.Click
MalwarebytesMachineLearning/Anomalous.100%
PandaBck/Koutodoor.E
ESET-NOD32a variant of Win32/Koutodoor.HL
TrendMicro-HouseCallBKDR_KTDOOR.SMIC
TencentTrojan.Win32.WNDABC.a
YandexTrojan.GenAsa!KQrFYbXCY+U
SentinelOneStatic AI – Malicious PE
eGambitGeneric.Malware
FortinetW32/Koutodoor.D!tr.bdr
BitDefenderThetaGen:NN.ZexaF.34590.iu1@aOV!3Rab
AVGWin32:Koutodoor-E [Drp]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Trojan.Win32.Koutodoor.AS

How to remove Win32/Koutodoor.HL ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Koutodoor.HL files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Koutodoor.HL you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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