Win32/Injector.DKDR

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

What is Win32/Injector.DKDR infection?

In this post you will find regarding the meaning of Win32/Injector.DKDR and also its negative effect on your computer system. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom money by a sufferer.

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In the majority of the cases, Win32/Injector.DKDR virus will instruct its victims to launch funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s gadget.

Win32/Injector.DKDR Summary

These alterations can be as complies with:

  • 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 (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard drive — so the target can no longer make use of the data;
  • Preventing normal 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.

Win32/Injector.DKDR

The most normal networks where Win32/Injector.DKDR Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a source that holds a harmful software application;

As soon as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or avoid the tool from functioning in a correct manner – while likewise positioning a ransom money note that points out the need for the victims to effect the payment for the objective of decrypting the documents or restoring the documents system back to the preliminary problem. In many instances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/Injector.DKDR distribution channels.

In various edges of the globe, Win32/Injector.DKDR grows by jumps as well as bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom money quantity might differ depending on certain regional (local) settings. The ransom money notes and also tricks of obtaining the ransom quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In certain areas, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the target’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty declarations about illegal web content.

    In countries where software piracy is less popular, this technique is not as effective for the cyber frauds. Conversely, the Win32/Injector.DKDR popup alert may incorrectly claim to be originating from a police organization as well as will certainly report having situated child porn or other unlawful information on the tool.

    Win32/Injector.DKDR popup alert might wrongly assert to be acquiring from a law enforcement organization and also will certainly report having located kid pornography or other illegal information on the device. The alert will similarly have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 3FBFCF10
md5: a1df42a47a39fac8c985661de3712441
name: A1DF42A47A39FAC8C985661DE3712441.mlw
sha1: 6ebd039ffee84664c3f466f25f7d50a6038446e2
sha256: 636dfa8da0e5215784ee7291c2920ad5931e7bb3ad8048f3d3e841742641a7d5
sha512: 79a1bfb70a298dd27e2df2602dc9ac02fa4a27a4d6d77a32272d0914322ff67e60e5915ff33fa69f9fb28e4d6094dbcadadc4b9011b3b3da8295165a8448e9e4
ssdeep: 1536:Lzx7/sodrxizZ4NK16Jv2WwOt6aFahd7P2cJ8zG1WE6qL9QK:Lzx3rxuuy6JeWft6ashHPEE7hQK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.DKDR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005031a51 )
Elastic malicious (high confidence)
DrWeb BackDoor.Siggen.60255
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Spora.21
Cylance Unsafe
Zillya Backdoor.Androm.Win32.39151
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 005031a51 )
Cybereason malicious.47a39f
Cyren W32/Trojan.TTOX-5428
Symantec Ransom.Spora!g4
ESET-NOD32 a variant of Win32/Injector.DKDR
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Gamarue-9846748-0
Kaspersky Backdoor.Win32.Androm.miwg
BitDefender Gen:Variant.Ransom.Spora.21
NANO-Antivirus Trojan.Win32.Nymaim.eowgho
SUPERAntiSpyware Ransom.Spora/Variant
MicroWorld-eScan Gen:Variant.Ransom.Spora.21
Tencent Malware.Win32.Gencirc.10ba8c0d
Ad-Aware Gen:Variant.Ransom.Spora.21
Sophos ML/PE-A + Mal/Zbot-US
Comodo Malware@#2av6ewzd96xn8
BitDefenderTheta Gen:NN.ZexaF.34722.hq3@aakAW6gi
VIPRE Trojan.Win32.Injector.cdgy (v)
TrendMicro TROJ_TOBFY.SM1
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.a1df42a47a39fac8
Emsisoft Gen:Variant.Ransom.Spora.21 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Nymaim.bpa
Avira HEUR/AGEN.1108314
eGambit Unsafe.AI_Score_91%
Antiy-AVL Trojan/Generic.ASMalwS.1E3DFE3
Microsoft DDoS:Win32/Nitol.B
AegisLab Trojan.Win32.Androm.m!c
GData Gen:Variant.Ransom.Spora.21
Acronis suspicious
McAfee GenericRXAW-HG!A1DF42A47A39
MAX malware (ai score=100)
VBA32 Backdoor.Androm
Malwarebytes Trojan.Injector
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_TOBFY.SM1
Rising [email protected] (RDML:P/WU+MdeURQ16Ul5OlF4Tg)
Ikarus Trojan-Ransom.Spora
Fortinet W32/Generic.AC.3C2B85!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Injector.DKDR 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/Injector.DKDR 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/Injector.DKDR 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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