Win32/Injector.DFXK

Written by Robert Bailey

What is Win32/Injector.DFXK infection?

In this article you will certainly find concerning the meaning of Win32/Injector.DFXK and also its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom by a sufferer.

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Most of the cases, Win32/Injector.DFXK virus will certainly instruct its sufferers to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s tool.

Win32/Injector.DFXK Summary

These alterations can be as follows:

  • 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.
  • A process attempted to delay the analysis task.;
  • 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.

  • A process created a hidden window;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to restart the guest VM;
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to modify or disable Security Center warnings;
  • Created a service that was not started;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the victim’s hard disk drive — so the sufferer can no more use the data;
  • Preventing regular access to the target’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 Ransom.Onion.B
a.tomx.xyz Ransom.Onion.B
a.uwad4zvz.com Ransom.Onion.B
edgedl.me.gvt1.com Ransom.Onion.B
update.googleapis.com Ransom.Onion.B

Win32/Injector.DFXK

One of the most normal channels through which Win32/Injector.DFXK Ransomware Trojans are injected are:

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

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the victim’s PC or stop the gadget from functioning in a proper manner – while additionally putting a ransom note that discusses the need for the victims to effect the payment for the purpose of decrypting the documents or recovering the file system back to the initial condition. In a lot of instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has actually currently been damaged.

Win32/Injector.DFXK circulation networks.

In different edges of the world, Win32/Injector.DFXK expands by jumps as well as bounds. Nonetheless, the ransom notes as well as methods of obtaining the ransom money quantity might vary depending upon specific regional (local) settings. The ransom notes and also techniques of extorting the ransom money amount may differ depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having identified some unlicensed applications enabled on the victim’s gadget. The alert after that demands the individual to pay the ransom.

    Faulty statements about prohibited content.

    In countries where software application piracy is much less prominent, this method is not as efficient for the cyber scams. Additionally, the Win32/Injector.DFXK popup alert might falsely assert to be deriving from a law enforcement organization as well as will certainly report having located child pornography or other unlawful information on the device.

    Win32/Injector.DFXK popup alert might falsely claim to be acquiring from a legislation enforcement establishment and will certainly report having located child pornography or various other prohibited data on the tool. The alert will likewise consist of a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 2C6DBB96
md5: f5d6defd0b5dd0dc7f9ef23cbf3a7db0
name: F5D6DEFD0B5DD0DC7F9EF23CBF3A7DB0.mlw
sha1: 2415e248e40a13b02be98c36793d0c4ca382ebaa
sha256: e3f57d1bec2a1f475712416b9a6bf1aeb2f3e10c73978641d6fc7990029bf241
sha512: de5def30770a9404b0ee593a2413ace0521e596d5c7fc5fe23188d6a11cd2333497cbdca1e64c78582aaa0c27aa864b712f7693131babc5bf5e19738d087d9ab
ssdeep: 24576:V4PmSz+A6wKQERcCWajA2v1yEp+K9zwMPxrfYck1Mw:2tSA6wK3cs/yEp+Kv9QccMw
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Win32/Injector.DFXK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Onion.B
ALYac Zum.Androm.3
Sangfor Ransom.Win32.Enestedel.B!rsm
CrowdStrike win/malicious_confidence_70% (D)
Symantec Ransom.Cerber!g14
ESET-NOD32 a variant of Win32/Injector.DFXK
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.NSIS.Androm.7
SUPERAntiSpyware Ransom.CTBLocker/Variant
MicroWorld-eScan Trojan.NSIS.Androm.7
Sophos ML/PE-A + Mal/Miuref-L
BitDefenderTheta Gen:NN.ZedlaF.34692.eq4@aa4szzi
FireEye Generic.mg.f5d6defd0b5dd0dc
Emsisoft Trojan.NSIS.Androm.7 (B)
Avira HEUR/AGEN.1139219
Microsoft Ransom:Win32/Enestedel.B!rsm
Arcabit Trojan.NSIS.Androm.7
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Zum.Androm.3
AhnLab-V3 Trojan/Win32.Zpack.R190934
McAfee Artemis!32DF22DAC149
MAX malware (ai score=83)
Panda Trj/CI.A
Rising Ransom.Enestedel!8.E513 (CLOUD)
Fortinet W32/Injector.DFXK!tr
AVG Win32:Malware-gen

How to remove Win32/Injector.DFXK 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 Win32/Injector.DFXK 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.DFXK 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: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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