Win32/Injector.EJPK

What is Win32/Injector.EJPK infection?

In this post you will certainly find about the definition of Win32/Injector.EJPK as well as its negative impact on your computer. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

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Most of the cases, Win32/Injector.EJPK infection will advise its targets to launch funds move for the function of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Injector.EJPK Summary

These adjustments 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.
  • 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.

  • 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
  • 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.
  • Harvests credentials from local FTP client softwares;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the sufferer’s hard disk drive — so the target can no more make use of 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.

Win32/Injector.EJPK

The most typical networks where Win32/Injector.EJPK are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a resource that holds a destructive software program;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or protect against the device from operating in a correct fashion – while additionally positioning a ransom money note that points out the need for the victims to impact the repayment for the objective of decrypting the files or restoring the file system back to the preliminary problem. In a lot of instances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has already been damaged.

Win32/Injector.EJPK circulation networks.

In various corners of the globe, Win32/Injector.EJPK grows by leaps as well as bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom money quantity may differ depending upon certain local (local) setups. The ransom notes and also tricks of extorting the ransom money quantity may vary depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s gadget. The alert after that demands the customer to pay the ransom.

    Faulty declarations about prohibited web content.

    In nations where software application piracy is much less preferred, this technique is not as efficient for the cyber frauds. Conversely, the Win32/Injector.EJPK popup alert may falsely assert to be deriving from a police establishment as well as will report having located child pornography or various other unlawful data on the gadget.

    Win32/Injector.EJPK popup alert may falsely assert to be acquiring from a law enforcement institution as well as will report having located child pornography or other prohibited information on the device. The alert will similarly have a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 3FEC1EF1
md5: db18e4bef29afc7cd2adbb5a44dda662
name: mutexs.txt
sha1: 8d8a7d801f92fb8dcc889aaa824296e1a9166cff
sha256: 64d50ecfbd5810f23defd32cdc2a9a6bd96f36742c12f0048083d8bc7ce81b44
sha512: b042972b84411a2281148a77ab5018f652bd4dab1be1eee37b45d8f8ba7b816d251f2ab3f07cb9fe89f7b1ce333fc409030135bb38e4193701b2748b81b89c0b
ssdeep: 6144:zR+xXmpPZyNe7YroEH3dFhq/80DwcnOHwLZBXu+xDVn9qdUU3OlqjfC:tvpPZD7CNCn8cnywFI+RV9VL
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Win32/Injector.EJPK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav HW32.Packed.
FireEye Generic.mg.db18e4bef29afc7c
McAfee Artemis!DB18E4BEF29A
Cylance Unsafe
Sangfor Malware
BitDefenderTheta Gen:NN.ZedlaF.33556.du8@aisWJdji
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
GData Win32.Packed.Kryptik.L2MNUH
Kaspersky HEUR:Trojan.Win32.Makoob.a
AegisLab Trojan.Win32.Makoob.4!c
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.ObfusRansom.fc
Ikarus Trojan.Win32.Injector
Endgame malicious (high confidence)
ZoneAlarm HEUR:Trojan.Win32.Makoob.a
Microsoft Trojan:Win32/Wacatac.B!ml
ESET-NOD32 a variant of Win32/Injector.EJPK
SentinelOne DFI – Suspicious PE
Fortinet W32/Injector.EJML!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (W)
Qihoo-360 HEUR/QVM20.1.0959.Malware.Gen

How to remove Win32/Injector.EJPK 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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.EJPK 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.EJPK 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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