NSIS/Injector.AGV

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

What is NSIS/Injector.AGV infection?

In this article you will certainly discover concerning the definition of NSIS/Injector.AGV and its adverse effect on your computer system. Such ransomware are a type of malware that is clarified by online fraudulences to require paying the ransom by a victim.

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Most of the cases, NSIS/Injector.AGV ransomware will certainly advise its victims to start funds transfer for the objective of neutralizing the modifications that the Trojan infection has presented to the victim’s device.

NSIS/Injector.AGV Summary

These alterations can be as adheres to:

  • Presents an Authenticode digital signature;
  • 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.

  • A process created a hidden window;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the target’s disk drive — so the target can no more make use of the data;
  • Preventing regular access 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.AGV

One of the most common networks through which NSIS/Injector.AGV are injected are:

  • By means of phishing emails;
  • As an effect of individual ending up on a resource that holds a destructive software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s PC or prevent the tool from operating in a proper manner – while additionally putting a ransom money note that discusses the demand for the targets to impact the repayment for the purpose of decrypting the records or restoring the documents system back to the preliminary condition. In the majority of circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has actually already been harmed.

NSIS/Injector.AGV distribution networks.

In various corners of the world, NSIS/Injector.AGV grows by jumps and bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom quantity might vary depending on particular regional (regional) setups. The ransom money notes as well as techniques of extorting the ransom money quantity might vary depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

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

    Faulty statements concerning illegal web content.

    In countries where software program piracy is much less popular, this method is not as effective for the cyber fraudulences. Conversely, the NSIS/Injector.AGV popup alert may wrongly assert to be deriving from a law enforcement organization and also will certainly report having located youngster pornography or other prohibited information on the gadget.

    NSIS/Injector.AGV popup alert might wrongly assert to be acquiring from a regulation enforcement institution as well as will certainly report having situated child porn or other illegal information on the tool. The alert will similarly consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 25743ACE
md5: 2810ed7990f81d4860475c711438cb56
name: 2810ED7990F81D4860475C711438CB56.mlw
sha1: 70040968c3b0db972b59bab0f649a4431c801456
sha256: 48c60e133aa98e9b898fdc8036def18d4aa1e4e546a11387b3725a648d344faf
sha512: 1d560614937796dbaaaad96ed43f3d83c2c6b32e109d340a2fd0c8f2fa320c482d8777bf6b644480a4333b6e48b6ce6d4c01a624781a361f7159f72d0b1b0237
ssdeep: 3072:0LuXzXwYyr6DoocV45qOjO9uDhpDfZ/alxuIRy9uMiHaNnjdFvEor/I/t6imwaox:0pJoiM/MxuIN6Nnjx/IkD0uu7U0
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: Game(c). All rights reserved.
FileVersion: 3.0.1.107
CompanyName: Game Inc.
ProductName: sudoku
ProductVersion: 3.0.1.107
FileDescription: sudoku
Translation: 0x0409 0x04e4

NSIS/Injector.AGV also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053c3f21 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.24348
CynetMalicious (score: 99)
ALYacGen:Variant.Ser.Ursu.619
CylanceUnsafe
ZillyaTrojan.GenericKD.Win32.172781
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Gandcrab.883e9f6a
K7GWTrojan ( 0053c3f21 )
Cybereasonmalicious.990f81
SymantecTrojan.Gen.MBT
ESET-NOD32NSIS/Injector.AGV
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Malware.Generic-6651407-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ser.Ursu.619
NANO-AntivirusTrojan.Win32.Stealer.fjwvqd
MicroWorld-eScanGen:Variant.Ser.Ursu.619
TencentWin32.Ransomware.Gandcrab4.Auto
Ad-AwareGen:Variant.Ser.Ursu.619
SophosMal/Generic-S
ComodoMalware@#2pj6iz88aui5m
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionGeneric.dyf
FireEyeGeneric.mg.2810ed7990f81d48
EmsisoftGen:Variant.Ser.Ursu.619 (B)
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1140714
MicrosoftTrojan:Win32/Gandcrab.S!MTB
ArcabitTrojan.Ser.Ursu.619
GDataGen:Variant.Ser.Ursu.619
AhnLab-V3Trojan/Win32.Injector.C2634335
McAfeeGeneric.dyf
MAXmalware (ai score=99)
VBA32TrojanPSW.Stealer
PandaTrj/CI.A
RisingTrojan.Injector/NSIS!1.BFBB (CLASSIC)
FortinetW32/Injector.AFV!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove NSIS/Injector.AGV 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.AGV 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.AGV 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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