NSIS/Injector.KH

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

What is NSIS/Injector.KH infection?

In this post you will certainly discover concerning the meaning of NSIS/Injector.KH and also its negative impact on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a target.

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In the majority of the situations, NSIS/Injector.KH ransomware will certainly advise its sufferers to launch funds transfer for the purpose of neutralizing the modifications that the Trojan infection has introduced to the target’s gadget.

NSIS/Injector.KH Summary

These adjustments 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.
  • Compression (or decompression);
  • 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.;
  • Expresses interest in specific running processes;
  • 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;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits behavior characteristic of Cerber ransomware;
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Generates some ICMP traffic;
  • 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 papers situated on the sufferer’s hard disk drive — so the victim can no more make use of the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

NSIS/Injector.KH

The most typical networks where NSIS/Injector.KH Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of user ending up on a resource that hosts a destructive software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or prevent the gadget from operating in a correct way – while additionally placing a ransom money note that discusses the need for the sufferers to impact the repayment for the purpose of decrypting the records or restoring the documents system back to the initial problem. In the majority of circumstances, the ransom note will turn up when the customer restarts the PC after the system has actually currently been harmed.

NSIS/Injector.KH distribution channels.

In different corners of the world, NSIS/Injector.KH grows by leaps as well as bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom money amount may differ depending upon specific neighborhood (local) settings. The ransom money notes as well as tricks of obtaining the ransom quantity may differ depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the victim’s device. The alert after that demands the user to pay the ransom money.

    Faulty declarations concerning illegal content.

    In countries where software program piracy is much less popular, this approach is not as efficient for the cyber frauds. Additionally, the NSIS/Injector.KH popup alert may wrongly declare to be originating from a law enforcement establishment and also will report having situated child porn or other prohibited data on the device.

    NSIS/Injector.KH popup alert might wrongly declare to be acquiring from a legislation enforcement organization as well as will report having situated youngster pornography or other illegal information on the gadget. The alert will in a similar way contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 587A362B
md5: e8b0bbd9617ab3b43b65a09c2ec4a882
name: E8B0BBD9617AB3B43B65A09C2EC4A882.mlw
sha1: bd7080e672ff9cddfd8dfad2555111898daa93d9
sha256: 147e54a51effe8a0cb42691e0e967752698b4db5883532f88daed9ba4f8b69a7
sha512: 521c8700ae29fd8d37e83b2c1d3137412811706b6d1e27d7b74857a272f67324b9714a0e0c48b9b6036d999fc68a80bd1f29db6acd671aded8f4b82bbc32250d
ssdeep: 6144:ry9v17kwzpAnBMJHKUtAvgPpZURFxMgyWL5E/qoV:m97kGAeKUtIIsRFxmWL5E/qS
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Injector.KH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.B
ALYac Trojan.RanSerKD.3711804
Zillya Dropper.Generic.Win32.2772
Sangfor Trojan.Win32.Generic.ky
CrowdStrike win/malicious_confidence_100% (W)
Cybereason malicious.9617ab
Cyren W32/Cerber.AD1.gen!Eldorado
Symantec Ransom.Cerber
ESET-NOD32 NSIS/Injector.KH
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.RanSerKD.3711804
NANO-Antivirus Trojan.Nsis.Inject.eiqoul
SUPERAntiSpyware Ransom.Cerber/Variant
MicroWorld-eScan Trojan.RanSerKD.3711804
Ad-Aware Trojan.RanSerKD.3711804
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.ObfusRansom.dc
FireEye Generic.mg.e8b0bbd9617ab3b4
Emsisoft Trojan.RanSerKD.3711804 (B)
SentinelOne Static AI – Malicious PE
Webroot Trojan.Dropper.Gen
Avira TR/Dropper.Gen
Microsoft Trojan:Win32/Glupteba!ml
Arcabit Trojan.RanSerKD.D38A33C
GData Win32.Trojan-Ransom.Cerber.BMI6W9
TACHYON Ransom/W32.Cerber.271699
McAfee Artemis!E8B0BBD9617A
MAX malware (ai score=80)
Panda Trj/CI.A
Fortinet W32/Injector.LC!tr
AVG Win32:Trojan-gen

How to remove NSIS/Injector.KH 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 NSIS/Injector.KH 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove NSIS/Injector.KH 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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