NSIS/Injector.AAG

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

What is NSIS/Injector.AAG infection?

In this post you will find regarding the interpretation of NSIS/Injector.AAG and also its unfavorable effect on your computer system. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom money by a victim.

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In the majority of the situations, NSIS/Injector.AAG virus will instruct its targets to launch funds move for the function of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s gadget.

NSIS/Injector.AAG Summary

These alterations can be as adheres to:

  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Spanish;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s hard drive — so the target can no longer use the data;
  • Preventing routine accessibility 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.
Similar behavior
Related domains
z.whorecord.xyzRansom.Win32.GrandCrab.A
a.tomx.xyzRansom.Win32.GrandCrab.A
ipv4bot.whatismyipaddress.comRansom.Win32.GrandCrab.A

NSIS/Injector.AAG

The most common networks through which NSIS/Injector.AAG Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of individual winding up on a resource that hosts a malicious software;

As soon as the Trojan is successfully injected, it will either cipher the information on the target’s computer or protect against the device from operating in a correct manner – while likewise placing a ransom money note that mentions the need for the sufferers to impact the payment for the function of decrypting the records or restoring the documents system back to the preliminary condition. In most circumstances, the ransom money note will turn up when the client reboots the COMPUTER after the system has already been damaged.

NSIS/Injector.AAG circulation channels.

In numerous edges of the globe, NSIS/Injector.AAG expands by jumps as well as bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money amount might differ relying on certain regional (regional) settings. The ransom money notes and also tricks of obtaining the ransom quantity may differ depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications allowed on the target’s gadget. The alert then requires the individual to pay the ransom money.

    Faulty statements concerning illegal material.

    In countries where software application piracy is much less prominent, this method is not as reliable for the cyber fraudulences. Alternatively, the NSIS/Injector.AAG popup alert may wrongly assert to be deriving from a police establishment as well as will report having located child pornography or other unlawful information on the gadget.

    NSIS/Injector.AAG popup alert might wrongly claim to be acquiring from a regulation enforcement establishment as well as will certainly report having situated child pornography or other prohibited information on the device. The alert will in a similar way contain a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: B3FF9158
md5: 2e569aa8ca023d5a64b5a96de384e708
name: 2E569AA8CA023D5A64B5A96DE384E708.mlw
sha1: a00bd87c302f9f926f9393b90df7ff830f8a8f3e
sha256: 742c84df8f7276b744b47325190618ff1c2a433e485baf31d9fbb6e1dd1f7892
sha512: b1f5d00d746c94b323be113b66e32f8742b16b25ba56501d0612ebbe32d31268177040ad0c3dc6ca11c698b6d29239c343aa9c16c14195b321c5447ac0ead2b5
ssdeep: 6144:tppgKU8kTVuGzuOzrXUvVY4wH3qrVlF+XUZYuQ:Bu8kxuYwd66pa9uQ
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright:
FileVersion: 0.7.0
CompanyName: Deployd, LLC
ProductName: Deployd
ProductVersion: 0.7.0
FileDescription:
CompanyWebsite: http://www.deployd.com
Translation: 0x040a 0x04e4

NSIS/Injector.AAG also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0052cbdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
CynetMalicious (score: 99)
ALYacTrojan.GenericKD.30611831
CylanceUnsafe
SangforRansom.Win32.GrandCrab.A
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/GrandCrab.b9465d1a
K7GWTrojan ( 0052cbdf1 )
Cybereasonmalicious.8ca023
CyrenW32/Ransom.LP.gen!Eldorado
ESET-NOD32NSIS/Injector.AAG
AvastNSIS:CoinMiner-C [Trj]
ClamAVWin.Dropper.Nemesis-6646739-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.GenericKD.30611831
MicroWorld-eScanTrojan.GenericKD.30611831
TencentWin32.Trojan.Agent.Htco
Ad-AwareTrojan.GenericKD.30611831
ComodoMalware@#3gf7bceo30ebt
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GrandCrab.R002C0DD621
FireEyeTrojan.GenericKD.30611831
EmsisoftTrojan.Injector (A)
AviraHEUR/AGEN.1127485
MicrosoftRansom:Win32/GrandCrab.A
GDataTrojan.GenericKD.30611831
AhnLab-V3Trojan/Win32.Gandcrab.R224204
McAfeeArtemis!2E569AA8CA02
MAXmalware (ai score=97)
MalwarebytesRansom.GandCrab
PandaTrj/CI.A
TrendMicro-HouseCallRansom_GrandCrab.R002C0DD621
MaxSecureTrojan.Malware.7388093.susgen
FortinetW32/Injector.XG!tr
AVGNSIS:CoinMiner-C [Trj]
Paloaltogeneric.ml

How to remove NSIS/Injector.AAG 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

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.AAG 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.AAG 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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