Backdoor.Koutodoor

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

What is Backdoor.Koutodoor infection?

In this article you will find concerning the interpretation of Backdoor.Koutodoor and its negative impact on your computer. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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In the majority of the instances, Backdoor.Koutodoor ransomware will certainly instruct its sufferers to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has introduced to the target’s tool.

Backdoor.Koutodoor Summary

These alterations 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 papers situated on the target’s hard drive — so the sufferer can no more use the data;
  • Preventing routine access to the sufferer’s workstation;

Backdoor.Koutodoor

The most typical networks through which Backdoor.Koutodoor Ransomware are infused are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a resource that organizes a destructive software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or stop the tool from functioning in a correct way – while additionally positioning a ransom note that states the need for the sufferers to impact the settlement for the function of decrypting the documents or recovering the data system back to the first condition. In most instances, the ransom note will show up when the client reboots the COMPUTER after the system has actually already been damaged.

Backdoor.Koutodoor distribution networks.

In numerous edges of the globe, Backdoor.Koutodoor grows by leaps and bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom money amount might vary depending on specific local (regional) settings. The ransom notes as well as techniques of extorting the ransom quantity might vary depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the victim’s device. The sharp after that requires the user to pay the ransom money.

    Faulty statements about illegal web content.

    In countries where software program piracy is less prominent, this technique is not as reliable for the cyber scams. Alternatively, the Backdoor.Koutodoor popup alert might wrongly claim to be stemming from a law enforcement organization as well as will report having located kid pornography or various other unlawful information on the device.

    Backdoor.Koutodoor popup alert may incorrectly assert to be obtaining from a law enforcement institution and also will certainly report having located child pornography or other unlawful data on the device. The alert will likewise include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: E7367D6B
md5: 06de746f6c426647ab1471463ae04b8a
name: 06DE746F6C426647AB1471463AE04B8A.mlw
sha1: 3333a4d791b2cb8af04dd747254d506b9da90bd2
sha256: ba877ac9e233ab05ad0a9c4aaf619211737054ae6e936c2eca0f139e11f7caee
sha512: 3fc710995fa58be77b2b699193a139c1dd20f1902c47f0d01536f7d648464cde1c0df392dc4de3e30fa66e7cf6182d7d647ba029151699e52a80902acb6f88c7
ssdeep: 1536:ZP9As+1KoKJu6+iwP3kKZIjH4ZX82dKTAt28hXMfV5zhI8nT5d9NUk:4FKoKJuUTKGjHQ82G8BMfVVhHd/
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

Backdoor.Koutodoor also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.Cerber.1
FireEyeGeneric.mg.06de746f6c426647
McAfeeKoutodoor.gen.g
CylanceUnsafe
VIPRETrojan.Win32.Koutodoor.e (v)
AegisLabTrojan.Win32.Generic.lwNl
SangforRansom.Win32.Cerber_9.se
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderTrojan.Ransom.Cerber.1
K7GWTrojan ( 0002762d1 )
K7AntiVirusTrojan ( 0002762d1 )
BaiduWin32.Rootkit.Koutodoor.a
CyrenW32/Koutodoor.A.gen!Eldorado
SymantecTrojan.Koutodoor!gen
TotalDefenseWin32/Koutodoor.D!generic
APEXMalicious
AvastWin32:Caxnet [Trj]
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Koutodoor.ffbc9f89
NANO-AntivirusTrojan.Win32.MLW.evaszt
ViRobotBackdoor.Win32.Koutodoor.Gen.B
RisingTrojan.Fedwj!1.98EA (CLOUD)
Ad-AwareTrojan.Ransom.Cerber.1
SophosML/PE-A + Mal/Koutodoor-A
ComodoTrojWare.Win32.Zybr.A@1gtnwn
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.MulDrop4.57022
ZillyaBackdoor.Koutodoor.Win32.3362
TrendMicroBKDR_KTDOOR.SMIC
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
EmsisoftTrojan.Ransom.Cerber.1 (B)
IkarusTrojan.Win32.Koutodoor
JiangminTrojan/JunkCode.Gen
WebrootW32.Trojan.Koutodoor.Gen
AviraTR/Dropper.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan[Backdoor]/Win32.Koutodoor
MicrosoftTrojan:Win32/Koutodoor.E
ArcabitTrojan.Ransom.Cerber.1
SUPERAntiSpywareTrojan.Agent/Gen-Koutodoor
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.Cerber.1
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Koutodoor12.Gen
Acronissuspicious
BitDefenderThetaAI:Packer.D582C3B721
ALYacTrojan.Ransom.Cerber.1
VBA32Backdoor.Koutodoor
MalwarebytesMachineLearning/Anomalous.96%
PandaBck/Koutodoor.E
ESET-NOD32a variant of Win32/Koutodoor.HL
TrendMicro-HouseCallBKDR_KTDOOR.SMIC
TencentTrojan.Win32.WNDABC.a
YandexTrojan.GenAsa!HwGm/pypIn8
SentinelOneStatic AI – Malicious PE
FortinetW32/Koutodoor.D!tr.bdr
AVGWin32:Caxnet [Trj]
Cybereasonmalicious.f6c426
Qihoo-360Trojan.Win32.Koutodoor.AS

How to remove Backdoor.Koutodoor 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 Backdoor.Koutodoor 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Backdoor.Koutodoor 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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