Win32/Injector.CFGK

Written by Robert Bailey

What is Win32/Injector.CFGK infection?

In this article you will discover concerning the meaning of Win32/Injector.CFGK and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by on-line scams to demand paying the ransom money by a target.

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Most of the situations, Win32/Injector.CFGK ransomware will instruct its targets to initiate funds move for the purpose of counteracting the changes that the Trojan infection has presented to the target’s tool.

Win32/Injector.CFGK Summary

These modifications 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to stop active services;
  • 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
  • Creates a copy of itself;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s disk drive — so the target can no more make use of the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Injector.CFGK

One of the most regular channels whereby Win32/Injector.CFGK are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a harmful software application;

As soon as the Trojan is successfully injected, it will either cipher the information on the victim’s PC or protect against the gadget from operating in an appropriate fashion – while additionally positioning a ransom money note that points out the requirement for the victims to effect the repayment for the function of decrypting the files or restoring the documents system back to the initial condition. In a lot of circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has actually already been damaged.

Win32/Injector.CFGK circulation networks.

In various corners of the world, Win32/Injector.CFGK grows by leaps and also bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom money quantity might differ depending upon certain local (regional) setups. The ransom money notes and techniques of extorting the ransom money quantity may differ depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having detected some unlicensed applications made it possible for on the victim’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In countries where software application piracy is much less prominent, this method is not as reliable for the cyber scams. Additionally, the Win32/Injector.CFGK popup alert may wrongly assert to be deriving from a law enforcement institution and will certainly report having located child porn or various other illegal data on the device.

    Win32/Injector.CFGK popup alert might falsely assert to be acquiring from a law enforcement institution and also will report having situated child porn or various other illegal data on the device. The alert will similarly include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 0E079994
md5: dccaefb12a4848e6309aec68b5658835
name: DCCAEFB12A4848E6309AEC68B5658835.mlw
sha1: bb99ef2bfa815264326668b816aa9ac4374e9d56
sha256: 328a26678e4dd7d7950efc622336c4942e65e0f1c6b26d2dfe1ae55662baab52
sha512: 8a18b52ce0dbf9faed58005fa7b96284ec40c87b087784223bcbd6807d24a7e48c91ef7de392a15d5e016a5e29ee3b34099eea30c5fc4af082f935b811102066
ssdeep: 12288:rHaSED2XRzmO4SLKybkg4pO7xB8FDoB9IoN+UOhryOu3rZjLBtk9rt0G5DGj:rHGaiOLjwZpOFoE7eC3989xDGj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Injector.CFGK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055dd191 )
Elastic malicious (high confidence)
DrWeb BackDoor.Siggen.59488
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Bagsu.19783
ALYac Trojan.Ransomware.GenericKD.41386564
Cylance Unsafe
Zillya Trojan.Onion.Win32.280
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Injector.34c36ea3
K7GW Trojan ( 0055dd191 )
Cybereason malicious.12a484
Cyren W32/Trojan.QZPZ-2314
Symantec Ransom.Enciphered
ESET-NOD32 a variant of Win32/Injector.CFGK
APEX Malicious
Avast Win32:Teerac-H [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransomware.GenericKD.41386564
NANO-Antivirus Trojan.Win32.Dofoil.dufoti
SUPERAntiSpyware Ransom.CryptoLocker/Variant
MicroWorld-eScan Trojan.Ransomware.GenericKD.41386564
Tencent Win32.Trojan.Inject.Auto
Ad-Aware Trojan.Ransomware.GenericKD.41386564
Sophos ML/PE-A + Troj/Ransom-AZM
Comodo Malware@#2tvp1kggl53la
BitDefenderTheta Gen:NN.ZexaF.34678.UqW@aKPlXgse
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_CRYPCTB.B
McAfee-GW-Edition PWSZbot-FAKV!DCCAEFB12A48
FireEye Generic.mg.dccaefb12a4848e6
Emsisoft Trojan.Ransomware.GenericKD.41386564 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Generic.bhnya
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1126007
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.GenericKD.v.(kcloud)
Microsoft Trojan:Win32/Dorv.A!rfn
Arcabit Trojan.Ransomware.Generic.D2778244
AegisLab Trojan.Win32.Onion.j!c
GData Trojan.Ransomware.GenericKD.41386564
AhnLab-V3 Trojan/Win32.Miuref.R157824
McAfee PWSZbot-FAKV!DCCAEFB12A48
MAX malware (ai score=100)
VBA32 Hoax.Onion
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_CRYPCTB.B
Rising Trojan.Injector!8.C4 (CLOUD)
Yandex Trojan.GenAsa!lXVtoDL6Cr0
Ikarus Trojan.Win32.Injector
Fortinet W32/Injector.CKLK!tr
AVG Win32:Teerac-H [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Dorv.HwcBEpsA

How to remove Win32/Injector.CFGK 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.CFGK 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.CFGK 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/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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