Trojan:Win32/Gataka.D

What is Trojan:Win32/Gataka.D infection?

In this article you will certainly find concerning the definition of Trojan:Win32/Gataka.D and its adverse effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet fraudulences to demand paying the ransom by a victim.

Most of the situations, Trojan:Win32/Gataka.D ransomware will advise its targets to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s gadget.

Trojan:Win32/Gataka.D Summary

These adjustments can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection with CreateRemoteThread in a remote process;
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Code injection with CreateRemoteThread in a remote process;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s hard disk — so the target can no longer utilize the data;
  • Preventing routine access to the victim’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.xyz Trojan.Win32.Ransom
a.tomx.xyz Trojan.Win32.Ransom

Trojan:Win32/Gataka.D

One of the most typical networks where Trojan:Win32/Gataka.D are infused are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or stop the device from functioning in a proper way – while additionally placing a ransom money note that points out the need for the victims to effect the repayment for the purpose of decrypting the records or recovering the file system back to the initial problem. In the majority of circumstances, the ransom money note will turn up when the customer restarts the PC after the system has currently been damaged.

Trojan:Win32/Gataka.D distribution channels.

In different edges of the world, Trojan:Win32/Gataka.D grows by leaps as well as bounds. However, the ransom notes as well as techniques of extorting the ransom money quantity may differ relying on certain regional (regional) settings. The ransom notes and techniques of extorting the ransom money quantity may differ depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having actually found some unlicensed applications made it possible for on the victim’s device. The sharp then requires the user to pay the ransom.

    Faulty statements regarding illegal web content.

    In nations where software application piracy is much less popular, this method is not as effective for the cyber scams. Alternatively, the Trojan:Win32/Gataka.D popup alert might wrongly declare to be deriving from a police organization as well as will report having situated child pornography or various other illegal information on the device.

    Trojan:Win32/Gataka.D popup alert might incorrectly assert to be obtaining from a regulation enforcement institution and also will certainly report having located kid porn or other illegal information on the gadget. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 68DB2A4Emd5: 8720513bb46d2deec572cfe5962f2eb8name: 8720513BB46D2DEEC572CFE5962F2EB8.mlwsha1: 3add125059e1b7c37d888caee023e12829dd1dc1sha256: 65b69f6e361751aa86a4e67b55aa97aba55bf9900e977ea0bf69e578e5851610sha512: d98e532372e8858268d5bfb3abe34de22231c1b66f3059b8fa93904d50f5cb0d9d9329d37d52bb67e0a2a288e3ff3770af62b192a3d871aea44ac1edeaec2f76ssdeep: 3072:X2nwqQvQ4MvM/BKc8M0mDr5C1bQuGhwhGEjE+8fV3SKPZAufKmkVdFDXN12E2:315sDmDrkQuoMG6EhfsCZAuimk1N4ztype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Gataka.D also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 003778d21 )
Elastic malicious (high confidence)
DrWeb BackDoor.Hermes.235
Cynet Malicious (score: 100)
ALYac Gen:Heur.Cridex.2
Cylance Unsafe
Zillya Trojan.Gataka.Win32.54
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
K7GW Trojan ( 003778d21 )
Cybereason malicious.bb46d2
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Gataka.B
APEX Malicious
Avast FileRepMetagen [Rtk]
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Gen:Heur.Cridex.2
NANO-Antivirus Trojan.Win32.Hermes.xedex
ViRobot Trojan.Win32.A.Zbot.210944.BJ
MicroWorld-eScan Gen:Heur.Cridex.2
Tencent Win32.Trojan-Spy.Zbot.bzem
Ad-Aware Gen:Heur.Cridex.2
Sophos Mal/Generic-S
Comodo Malware@#3ptmylrdjysiq
BitDefenderTheta Gen:NN.ZexaF.34688.mqW@aarJ2aoc
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GATAKA_BK0843DC.TOMC
McAfee-GW-Edition BehavesLike.Win32.ZBot.dc
FireEye Generic.mg.8720513bb46d2dee
Emsisoft Gen:Heur.Cridex.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanSpy.Zbot.bvar
Webroot W32.Malware.Gen
Avira TR/Crypt.ZPACK.Gen2
eGambit Unsafe.AI_Score_89%
Antiy-AVL Trojan/Generic.ASMalwS.E8FFB9
Microsoft Trojan:Win32/Gataka.D
AegisLab Trojan.Win32.Zbot.l!c
GData Gen:Heur.Cridex.2
AhnLab-V3 Trojan/Win32.Tatanarg.C232831
Acronis suspicious
McAfee PWS-Zbot.gen.afv
MAX malware (ai score=81)
VBA32 BScope.TrojanPSW.Panda
Panda Trj/Pacrypt.AE
TrendMicro-HouseCall TROJ_GATAKA_BK0843DC.TOMC
Rising Trojan.Win32.Generic.13057402 (C64:YzY0On64hjmBW6f/)
Yandex TrojanSpy.Zbot!4Zu3D3kTx2w
Ikarus Trojan.Win32.Ransom
Fortinet W32/Zbot.ASJ!tr
AVG FileRepMetagen [Rtk]
Paloalto generic.ml

How to remove Trojan:Win32/Gataka.D 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

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/Gataka.D 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.

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