Win32/Kryptik.GZNI

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

What is Win32/Kryptik.GZNI infection?

In this short article you will discover concerning the interpretation of Win32/Kryptik.GZNI and also its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to demand paying the ransom by a target.

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Most of the cases, Win32/Kryptik.GZNI infection will advise its targets to start funds transfer for the objective of neutralizing the modifications that the Trojan infection has presented to the victim’s tool.

Win32/Kryptik.GZNI Summary

These alterations can be as complies with:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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.
  • Creates a copy of itself;
  • Creates a slightly modified copy of itself;
  • Ciphering the papers located on the sufferer’s hard disk drive — so the victim can no more use the data;
  • Preventing regular 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.
Similar behavior
Related domains
z.whorecord.xyzBehavesLike.Win32.Ransomware.vc
a.tomx.xyzBehavesLike.Win32.Ransomware.vc

Win32/Kryptik.GZNI

The most typical channels where Win32/Kryptik.GZNI are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a source that holds a destructive software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or avoid the device from working in a correct way – while also putting a ransom money note that points out the demand for the sufferers to impact the payment for the objective of decrypting the records or restoring the documents system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly show up when the client reboots the PC after the system has already been harmed.

Win32/Kryptik.GZNI circulation networks.

In numerous corners of the globe, Win32/Kryptik.GZNI grows by leaps as well as bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom quantity might vary relying on particular regional (regional) setups. The ransom notes and tricks of obtaining the ransom money quantity might differ depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having spotted some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the user to pay the ransom.

    Faulty statements concerning prohibited web content.

    In countries where software piracy is less popular, this technique is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.GZNI popup alert might wrongly claim to be deriving from a police institution as well as will certainly report having located youngster pornography or various other prohibited data on the tool.

    Win32/Kryptik.GZNI popup alert might wrongly assert to be deriving from a legislation enforcement establishment as well as will report having situated kid porn or various other prohibited data on the device. The alert will in a similar way include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 7A6157D7
md5: d84b6d94d528627f4353c8a8d9f76fc2
name: upload_file
sha1: 6e32f8f0706c4a0857ebb1f4bace1e5eefdb91c2
sha256: 7b766048af5092bf49af57ff8d8f26b861e73b2a83fec32e75270361ea69e1b9
sha512: 2e5413c2bc7ee223c9854530e38974c3bb230611b33a76b49a256cc6d76980b8eaa0ee48c31bde6d64b94c58cba1e8fa410dbbb7eb46a41fae242057fb4e27a2
ssdeep: 24576:3Ty7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHI:3Ty7A3mw4gxeOw46fUbNecCCFbNect
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2000
InternalName: FlowerPower
FileVersion: 1, 0, 0, 1
CompanyName:
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: FlowerPower
SpecialBuild:
ProductVersion: 1, 0, 0, 1
FileDescription: FlowerPower
OriginalFilename: FlowerPower.EXE
Translation: 0x0c09 0x04b0

Win32/Kryptik.GZNI also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.42868456
FireEyeGeneric.mg.d84b6d94d528627f
CAT-QuickHealTrojan.Mauvaise.SL1
ALYacTrojan.GenericKD.42868456
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 005506bb1 )
BitDefenderTrojan.GenericKD.42868456
K7GWTrojan ( 005506bb1 )
Cybereasonmalicious.4d5286
TrendMicroTrojanSpy.Win32.AVEMARIA.SMTH
CyrenW32/Trojan.IM1.gen!Eldorado
SymantecBackdoor.Avecma
APEXMalicious
ClamAVWin.Malware.Ursu-6793772-0
KasperskyHEUR:Trojan.Win32.Llac.gen
NANO-AntivirusTrojan.Win32.Inject3.fqtflc
RisingTrojan.Kryptik!1.BA0B (CLASSIC)
Ad-AwareTrojan.GenericKD.42868456
EmsisoftTrojan.GenericKD.42868456 (B)
ComodoTrojWare.Win32.Injector.AVPL@8d26g3
F-SecureBackdoor.BDS/Poison.mon
DrWebTrojan.Inject3.16347
ZillyaTrojan.Nymaim.Win32.11792
InvinceaML/PE-A + Troj/Agent-BCGT
McAfee-GW-EditionBehavesLike.Win32.Ransomware.vc
SophosTroj/Agent-BCGT
SentinelOneDFI – Malicious PE
JiangminTrojan.Generic.dztud
WebrootW32.Malware.Gen
AviraBDS/Poison.mon
MAXmalware (ai score=81)
Antiy-AVLTrojan/Win32.Nymaim
MicrosoftTrojan:Win32/Skeeeyah!rfn
ArcabitTrojan.Generic.D28E1EE8
ZoneAlarmHEUR:Trojan.Win32.Llac.gen
GDataTrojan.GenericKD.42868456
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Fuery.R274972
Acronissuspicious
McAfeeRansomware-GPB!D84B6D94D528
VBA32SScope.Trojan.Hlux
MalwarebytesBackdoor.AveMaria
PandaTrj/Genetic.gen
ZonerTrojan.Win32.89366
ESET-NOD32a variant of Win32/Kryptik.GZNI
TrendMicro-HouseCallTrojanSpy.Win32.AVEMARIA.SMTH
TencentMalware.Win32.Gencirc.10b07986
YandexBackdoor.Bladabindi!20ZcZ9AXQIc
IkarusVirTool.Win32.CeeInject.A
eGambitTrojan.Generic
FortinetW32/GenKryptik.DJNF!tr
BitDefenderThetaGen:NN.ZexaF.34570.4s3@aS85n3ni
AVGSf:ShellCode-CU [Trj]
AvastSf:ShellCode-CU [Trj]
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureTrojan.Malware.121218.susgen

How to remove Win32/Kryptik.GZNI 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Win32/Kryptik.GZNI 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 Win32/Kryptik.GZNI 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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