Trojan:Win32/Koutodoor.B

What is Trojan:Win32/Koutodoor.B infection?

In this post you will certainly locate regarding the definition of Trojan:Win32/Koutodoor.B as well as its adverse influence on your computer. Such ransomware are a form of malware that is specified by on the internet frauds to demand paying the ransom money by a sufferer.

Most of the cases, Trojan:Win32/Koutodoor.B infection will instruct its targets to initiate funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the target’s device.

Trojan:Win32/Koutodoor.B Summary

These adjustments can be as complies with:

  • 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;
  • Ciphering the files located on the victim’s disk drive — so the target can no longer use the information;
  • Preventing routine access to the target’s workstation;

Related domains:

z.whorecord.xyz BehavesLike.Win32.VirRansom.mc
a.tomx.xyz BehavesLike.Win32.VirRansom.mc

Trojan:Win32/Koutodoor.B

The most normal networks whereby Trojan:Win32/Koutodoor.B Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As an effect of individual winding up on a source that hosts a harmful software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or protect against the device from functioning in a correct fashion – while likewise positioning a ransom note that mentions the requirement for the victims to effect the settlement for the function of decrypting the records or restoring the documents system back to the preliminary condition. In most instances, the ransom note will turn up when the client restarts the PC after the system has actually currently been damaged.

Trojan:Win32/Koutodoor.B distribution channels.

In various corners of the world, Trojan:Win32/Koutodoor.B expands by leaps as well as bounds. However, the ransom money notes and also methods of extorting the ransom amount may differ depending upon particular regional (local) setups. The ransom notes as well as techniques of extorting the ransom amount may vary depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s gadget. The sharp then demands the customer to pay the ransom.

    Faulty declarations about illegal content.

    In countries where software program piracy is less preferred, this technique is not as reliable for the cyber scams. Additionally, the Trojan:Win32/Koutodoor.B popup alert might wrongly assert to be deriving from a police organization and will report having located youngster pornography or other prohibited information on the device.

    Trojan:Win32/Koutodoor.B popup alert may incorrectly assert to be acquiring from a law enforcement establishment and also will report having situated kid pornography or other illegal information on the tool. The alert will in a similar way contain a demand for the customer to pay the ransom money.

Technical details

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:

GridinSoft Trojan.Ransom.Gen
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 [email protected] (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 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

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

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

    Leave a Comment