NSIS/Injector.GF

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

What is NSIS/Injector.GF infection?

In this article you will certainly find concerning the definition of NSIS/Injector.GF and also its negative influence on your computer. Such ransomware are a type of malware that is specified by online scams to require paying the ransom money by a victim.

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In the majority of the situations, NSIS/Injector.GF virus will instruct its targets to initiate funds transfer for the function of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s device.

NSIS/Injector.GF 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.
  • 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.

  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • 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 documents found on the victim’s disk drive — so the sufferer can no longer utilize the information;
  • 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.

NSIS/Injector.GF

One of the most normal networks where NSIS/Injector.GF are infused are:

  • By ways of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or avoid the tool from operating in a proper way – while likewise placing a ransom note that states the demand for the targets to effect the settlement for the function of decrypting the files or recovering the file system back to the initial problem. In many instances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually currently been harmed.

NSIS/Injector.GF circulation channels.

In numerous corners of the globe, NSIS/Injector.GF expands by leaps and bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money amount might vary depending on specific local (local) setups. The ransom notes and also techniques of extorting the ransom amount might vary depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s gadget. The alert then requires the user to pay the ransom money.

    Faulty statements about unlawful material.

    In countries where software application piracy is less preferred, this method is not as efficient for the cyber scams. Alternatively, the NSIS/Injector.GF popup alert may incorrectly declare to be stemming from a law enforcement institution as well as will report having situated child porn or other prohibited data on the gadget.

    NSIS/Injector.GF popup alert might incorrectly declare to be acquiring from a law enforcement organization as well as will report having situated kid porn or other unlawful information on the tool. The alert will similarly consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: A7254F97
md5: 8a27e742231d30c601b9958b9e2812ec
name: 8A27E742231D30C601B9958B9E2812EC.mlw
sha1: 7eeb41af37c1a31b48fe26e11ae30f9a52ddb0ce
sha256: b4e92ffafaf70743b33515520e2d9ce79ba4ff0780172a82643db999e3cfed89
sha512: f7cdc1cc839cdb6f75c18619d7aa5c56e96d67d7f700cf4c2e2791dc6514e76428c66962d499a0d0a466a857bcd218a3a13764e3847cccb85e48336e377d30c1
ssdeep: 6144:sW+7+eMRXltznkTEFenaN8vg3jvT/Y3UV4WUX6vl4YkR68bnZ/FI:sR6XbnkThaz3jvLD92HFI
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Injector.GF also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
FireEyeGeneric.mg.8a27e742231d30c6
CAT-QuickHealRansom.Locky.A
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Generic.8
K7AntiVirusTrojan ( 004fa5151 )
K7GWTrojan ( 004fa5151 )
Cybereasonmalicious.f37c1a
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Spyware-gen [Spy]
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Injector.1d44ef7a
NANO-AntivirusTrojan.Win32.ObfusRansom.eshqcc
AegisLabTrojan.Win32.Generic.4!c
TencentWin32.Trojan.Inject.Auto
TACHYONRansom/W32.Cerber.288935
SophosMal/Generic-R + Mal/Miuref-L
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.Encoder.4691
TrendMicroRansom_CERBERENC.SMNS5
McAfee-GW-EditionBehavesLike.Win32.Dropper.dc
IkarusTrojan.NSIS.Injector
AviraTR/Dropper.Gen
MicrosoftRansom:Win32/Cerber.A
SUPERAntiSpywareRansom.Cerber/Variant
ZoneAlarmHEUR:Trojan.Win32.Generic
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Cerber.R188788
McAfeeArtemis!8A27E742231D
MAXmalware (ai score=100)
MalwarebytesRansom.Cerber
PandaTrj/CI.A
ESET-NOD32NSIS/Injector.GF
TrendMicro-HouseCallRansom_CERBERENC.SMNS5
YandexTrojan.Agent!Wh7UlrVs6oA
SentinelOneStatic AI – Suspicious PE
FortinetW32/Injector.GD!tr
AVGWin32:Spyware-gen [Spy]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Ransom.9c1

How to remove NSIS/Injector.GF 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.GF 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.GF 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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