Trojan.Koutodoor.MUE.A4

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

What is Trojan.Koutodoor.MUE.A4 infection?

In this post you will locate regarding the interpretation of Trojan.Koutodoor.MUE.A4 and also its negative influence on your computer. Such ransomware are a type of malware that is elaborated by on the internet scams to require paying the ransom money by a target.

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Most of the cases, Trojan.Koutodoor.MUE.A4 infection will instruct its victims to start funds move for the purpose of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s tool.

Trojan.Koutodoor.MUE.A4 Summary

These modifications can be as complies with:

  • 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 found on the victim’s disk drive — so the victim can no longer utilize the information;
  • Preventing normal access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzRansom.Win32.Cerber_9.se
a.tomx.xyzRansom.Win32.Cerber_9.se

Trojan.Koutodoor.MUE.A4

One of the most normal channels whereby Trojan.Koutodoor.MUE.A4 Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a harmful software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the target’s computer or stop the device from operating in an appropriate manner – while also placing a ransom money note that discusses the requirement for the sufferers to impact the payment for the purpose of decrypting the papers or bring back the data system back to the preliminary problem. In the majority of instances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has currently been harmed.

Trojan.Koutodoor.MUE.A4 circulation networks.

In numerous corners of the world, Trojan.Koutodoor.MUE.A4 grows by jumps and bounds. However, the ransom notes and also methods of obtaining the ransom money amount may vary depending upon certain regional (local) settings. The ransom notes as well as methods of obtaining the ransom quantity may differ depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having identified some unlicensed applications enabled on the target’s gadget. The alert after that requires the individual to pay the ransom money.

    Faulty statements about prohibited content.

    In nations where software piracy is much less prominent, this method is not as efficient for the cyber frauds. Alternatively, the Trojan.Koutodoor.MUE.A4 popup alert might incorrectly declare to be deriving from a police establishment as well as will report having situated kid porn or other illegal data on the gadget.

    Trojan.Koutodoor.MUE.A4 popup alert might wrongly declare to be deriving from a regulation enforcement establishment and will certainly report having situated child porn or other illegal information on the gadget. The alert will likewise consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: D6F4C6C2
md5: afcb71f2343a41d3b986d1a4e77f6a47
name: AFCB71F2343A41D3B986D1A4E77F6A47.mlw
sha1: 370c5e126c7a38f6db0249a184d20848554285bf
sha256: 95de59949c2ece5193aea55df9711360630088ab54d1c387c5357405e9716b6d
sha512: 5b57f2e9399a2f28b39f5b431fe20083da5b4330a1a2ffc2f436b84c1f9a00059f4b812d5668a13416911297cb1edfb54642c2eb07146bebd8149e07df135df7
ssdeep: 1536:7LOxkdACvEE1rIUrQkzZlDi5I5WCtIWOCZia9G/09xB/gfGEaR9ScFXgnTdXLq0:Hb/eUrQkPDi5I5WGIzCJg/yIGh+N9Lq0
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

Trojan.Koutodoor.MUE.A4 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 001930d11 )
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop3.14837
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Koutodoor.MUE.A4
McAfeeGenericRXEP-IS!AFCB71F2343A
CylanceUnsafe
ZillyaTrojan.Koutodoor.Win32.31297
SangforRansom.Win32.Cerber_9.se
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/Koutodoor.cb7ae309
K7GWTrojan ( 001930d11 )
Cybereasonmalicious.2343a4
BaiduWin32.Rootkit.Koutodoor.a
CyrenW32/Koutodoor.N.gen!Eldorado
SymantecTrojan.Koutodoor
ESET-NOD32a variant of Win32/Koutodoor.HL
APEXMalicious
AvastWin32:Caxnet [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Drop.wsntq
ViRobotBackdoor.Win32.Koutodoor.Gen.B
MicroWorld-eScanTrojan.Ransom.Cerber.1
TencentTrojan.Win32.WNDABC.a
Ad-AwareTrojan.Ransom.Cerber.1
SophosML/PE-A + Mal/Koutodoor-A
ComodoTrojWare.Win32.Zybr.A@1gtnwn
BitDefenderThetaAI:Packer.BD7251F621
VIPRETrojan.Win32.Koutodoor.e (v)
TrendMicroTROJ_KTODOOR.SMF
McAfee-GW-EditionBehavesLike.Win32.Dropper.cc
FireEyeGeneric.mg.afcb71f2343a41d3
EmsisoftTrojan.Ransom.Cerber.1 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Dropper.Gen
eGambitGeneric.Malware
KingsoftWin32.Heur.KVMH008.a.(kcloud)
MicrosoftTrojan:Win32/Koutodoor.E
GDataWin32.Trojan.PSE.15Y6OF0
AhnLab-V3Trojan/Win32.Koutodoor.R1634
Acronissuspicious
VBA32BScope.Trojan.Click
MAXmalware (ai score=100)
MalwarebytesMachineLearning/Anomalous.100%
PandaBck/Koutodoor.E
TrendMicro-HouseCallTROJ_KTODOOR.SMF
RisingTrojan.Fedwj!1.98EA (CLOUD)
YandexTrojan.GenAsa!HwGm/pypIn8
IkarusTrojan.Win32.Koutodoor
FortinetW32/Koutodoor.D!tr.bdr
AVGWin32:Caxnet [Trj]
Paloaltogeneric.ml

How to remove Trojan.Koutodoor.MUE.A4 virus?

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 Trojan.Koutodoor.MUE.A4 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 Trojan.Koutodoor.MUE.A4 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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