Win32/Kryptik.GGNN

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

What is Win32/Kryptik.GGNN infection?

In this short article you will certainly locate regarding the definition of Win32/Kryptik.GGNN and its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to require paying the ransom by a target.

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In the majority of the situations, Win32/Kryptik.GGNN infection will certainly instruct its targets to launch funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the victim’s device.

Win32/Kryptik.GGNN Summary

These adjustments 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.;
  • 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.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the target’s hard disk drive — so the sufferer can no longer make use of the information;
  • 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.
Similar behavior
Related domains
z.whorecord.xyzTrojan.Ransom.GandCrab.Gen.2
a.tomx.xyzTrojan.Ransom.GandCrab.Gen.2
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
carder.bitTrojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
ransomware.bitTrojan.Ransom.GandCrab.Gen.2

Win32/Kryptik.GGNN

One of the most normal channels through which Win32/Kryptik.GGNN Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer ending up on a resource that holds a harmful software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or prevent the device from functioning in a proper fashion – while additionally placing a ransom note that mentions the demand for the victims to effect the settlement for the purpose of decrypting the documents or bring back the data system back to the first condition. In a lot of instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has currently been damaged.

Win32/Kryptik.GGNN distribution channels.

In numerous corners of the world, Win32/Kryptik.GGNN expands by jumps and also bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom money quantity may differ depending upon specific local (local) setups. The ransom money notes and tricks of obtaining the ransom money quantity might differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having detected some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the user to pay the ransom.

    Faulty declarations about prohibited material.

    In countries where software program piracy is much less prominent, this technique is not as reliable for the cyber frauds. Conversely, the Win32/Kryptik.GGNN popup alert might incorrectly assert to be deriving from a police establishment as well as will report having located child porn or various other prohibited information on the gadget.

    Win32/Kryptik.GGNN popup alert may incorrectly assert to be deriving from a law enforcement organization as well as will report having located kid porn or various other prohibited data on the gadget. The alert will similarly include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 54D1F824
md5: 916de99951f197c7915636bcd9afb3df
name: 916DE99951F197C7915636BCD9AFB3DF.mlw
sha1: 2dfe503a827e6bf4519f418ee448047a81552bc6
sha256: 4f79486a2336641f7ccf2e22e849a19da5659b6d2b65c1fbc22ae10ea87cdf3c
sha512: ef9a4f473295d96c2e8ba9f3301026f381643bcfe8480e1aead223f42e4bb288909c0bdf9c5bdfbdfd35e3c84ec22ce19634ba1e1e1c0127d40c1d17f4f4698e
ssdeep: 3072:7cIV/OBDQCa7O6/aKrizyv1qAg0Fuj7Hl8qU1lyGMJq/C8NLp4QcadYTz/3bNQYp:w8OTKUAOdMMmCUd9f2uYiq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GGNN also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.916de99951f197c7
CAT-QuickHealTrojan.Cloxer.A06
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.GandCrypt.j!c
SangforWin.Packed.Gandcrab-6552923-4
K7AntiVirusTrojan ( 00533daf1 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 00533daf1 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZexaF.34590.syX@auV2jaj
CyrenW32/S-e3a8852f!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GGNN
APEXMalicious
AvastFileRepMalware
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Chapak.fbkppp
ViRobotTrojan.Win32.GandCrab.Gen.A
TencentMalware.Win32.Gencirc.114b3ac1
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosMal/Generic-R + Mal/Agent-AUL
DrWebTrojan.Siggen7.49533
ZillyaTrojan.Ransom.Win32.967
TrendMicroMal_HPGen-37b
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
IkarusTrojan-Ransom.GandCrab
JiangminTrojan.GandCrypt.ca
MaxSecureRansomeware.GandCrypt.Gen
AviraTR/AD.GandCrab.mfwsd
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.Chapak
MicrosoftRansom:Win32/GandCrab!rfn
ArcabitTrojan.Ransom.GandCrab.Gen.2
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
AhnLab-V3Win-Trojan/Gandcrab.Exp
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
Acronissuspicious
McAfeeGenericRXFI-YJ!916DE99951F1
TACHYONRansom/W32.GandCrab
VBA32BScope.Trojan.Scar
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
TrendMicro-HouseCallMal_HPGen-37b
RisingTrojan.Kryptik!1.B2A2 (CLOUD)
YandexTrojan.GandCrypt!nHBOoker5Lw
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/GenKryptik.CNAR!tr
AVGFileRepMalware
Cybereasonmalicious.951f19
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.ec9

How to remove Win32/Kryptik.GGNN ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32/Kryptik.GGNN 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.GGNN 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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