NSIS/Injector.KK

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

What is NSIS/Injector.KK infection?

In this article you will certainly find about the meaning of NSIS/Injector.KK and also its negative effect on your computer. Such ransomware are a kind of malware that is specified by online scams to demand paying the ransom money by a sufferer.

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In the majority of the instances, NSIS/Injector.KK virus will certainly instruct its victims to start funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the target’s device.

NSIS/Injector.KK 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.
  • 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.;
  • 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.

  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Exhibits behavior characteristic of Cerber ransomware;
  • 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 files found on the victim’s hard disk — so the sufferer can no longer make use of the information;
  • 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.KK

One of the most common channels whereby NSIS/Injector.KK Ransomware are injected are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or protect against the device from operating in a correct way – while also placing a ransom note that mentions the requirement for the sufferers to impact the settlement for the objective of decrypting the documents or recovering the data system back to the first problem. In the majority of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually currently been damaged.

NSIS/Injector.KK circulation channels.

In different edges of the world, NSIS/Injector.KK expands by jumps and also bounds. However, the ransom notes as well as methods of obtaining the ransom quantity may differ depending on particular regional (regional) setups. The ransom money notes and methods of extorting the ransom amount might vary depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In specific locations, the Trojans often wrongfully report having identified some unlicensed applications made it possible for on the victim’s tool. The sharp after that requires the customer to pay the ransom.

    Faulty declarations concerning illegal material.

    In nations where software application piracy is much less prominent, this technique is not as efficient for the cyber frauds. Additionally, the NSIS/Injector.KK popup alert might incorrectly declare to be stemming from a police organization and also will report having located youngster porn or other illegal data on the tool.

    NSIS/Injector.KK popup alert may falsely claim to be acquiring from a regulation enforcement organization and also will report having situated youngster porn or various other illegal data on the tool. The alert will likewise include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: EF083951
md5: 4caa928ec6d0d9390f9f8d36d2914291
name: 4CAA928EC6D0D9390F9F8D36D2914291.mlw
sha1: ea88418dccec12fc2c55659a01481979bb1efc4e
sha256: 87f8a433f52436a7379534d189ac6f98e6bec8be22fad9fd6d1f4e4c0e6f6755
sha512: 470dce83a2993446d224726a45d58195e60e2fa5846b81289dbf9c4a12cc29201ab27b216e19ad13f275817662941b032868a455a789e7f5711ac9447f15a711
ssdeep: 6144:FfgFQoFekizC9DHQcA7batTm4IGDhV974oXH0fI7wpIpE+:9toqzGHQcA7O84IA542OIUit
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: PortableApps.com and contributors
InternalName: Mozilla Firefox, Portable Edition
FileVersion: 2.0.0.4
CompanyName: PortableApps.com
LegalTrademarks: PortableApps.com is a Trademark of Rare Ideas, LLC.
Comments: For additional details, visit PortableApps.com
ProductName: Mozilla Firefox, Portable Edition
ProductVersion: 2.0.0.4
FileDescription: Mozilla Firefox, Portable Edition
OriginalFilename: Firefox_Portable_27nsCCkq_2.0.0.4_en-us.paf.exe
Translation: 0x0409 0x04b0

NSIS/Injector.KK also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Ser.Ursu.12016
FireEyeGeneric.mg.4caa928ec6d0d939
CAT-QuickHealRansom.Cerber.B
ALYacGen:Variant.Ser.Ursu.12016
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforRansom.Win32.Zerber.fctv
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderGen:Variant.Ser.Ursu.12016
K7GWTrojan ( 0055e4081 )
K7AntiVirusTrojan ( 0055e4081 )
SymantecPacked.NSISPacker!g2
ESET-NOD32NSIS/Injector.KK
APEXMalicious
AvastWin32:Trojan-gen
KasperskyTrojan-Ransom.Win32.Zerber.fctv
NANO-AntivirusTrojan.Nsis.Inject.eivwpd
TencentWin32.Trojan.Inject.Auto
Ad-AwareGen:Variant.Ser.Ursu.12016
EmsisoftGen:Variant.Ser.Ursu.12016 (B)
F-SecureHeuristic.HEUR/AGEN.1102526
DrWebTrojan.Encoder.4691
TrendMicroRansom_CERBERENC.SMNSX
McAfee-GW-EditionBehavesLike.Win32.GigaClick.dc
SophosMal/Generic-S
SentinelOneStatic AI – Suspicious PE
AviraHEUR/AGEN.1102526
MicrosoftTrojan:Win32/Ditertag.A
ArcabitTrojan.Ser.Ursu.D2EF0
SUPERAntiSpywareRansom.Cerber/Variant
AhnLab-V3Trojan/Win32.Cerber.R190983
ZoneAlarmTrojan-Ransom.Win32.Zerber.fctv
GDataGen:Variant.Ser.Ursu.12016
CynetMalicious (score: 100)
McAfeeArtemis!4CAA928EC6D0
TACHYONRansom/W32.Cerber.257284
VBA32Trojan-Ransom.Zerber
MalwarebytesGeneric.Malware/Suspicious
PandaTrj/CI.A
TrendMicro-HouseCallRansom_CERBERENC.SMNSX
MAXmalware (ai score=100)
FortinetW32/Injector.LC!tr
AVGWin32:Trojan-gen
Cybereasonmalicious.ec6d0d
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.a7d

How to remove NSIS/Injector.KK 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.KK 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.KK 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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