Win32/Kryptik.GGXD

Written by Robert Bailey

What is Win32/Kryptik.GGXD infection?

In this post you will certainly locate regarding the meaning of Win32/Kryptik.GGXD and its adverse influence on your computer. 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, Win32/Kryptik.GGXD infection will instruct its victims to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Win32/Kryptik.GGXD 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.;
  • 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.

  • 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;
  • 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 records found on the sufferer’s hard disk drive — so the target can no more use the information;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Kryptik.GGXD

The most common channels whereby Win32/Kryptik.GGXD Ransomware are injected are:

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

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s computer or protect against the tool from operating in a proper fashion – while additionally positioning a ransom money note that discusses the demand for the victims to effect the payment for the function of decrypting the files or recovering the data system back to the first problem. In most circumstances, the ransom note will certainly turn up when the client restarts the PC after the system has actually currently been damaged.

Win32/Kryptik.GGXD distribution networks.

In different edges of the world, Win32/Kryptik.GGXD grows by leaps and bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom quantity might differ depending on specific regional (regional) settings. The ransom money notes as well as techniques of obtaining the ransom amount might differ depending on specific local (regional) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the target’s gadget. The alert after that requires the individual to pay the ransom.

    Faulty statements about unlawful web content.

    In nations where software application piracy is less popular, this approach is not as reliable for the cyber frauds. Alternatively, the Win32/Kryptik.GGXD popup alert may wrongly declare to be originating from a law enforcement organization as well as will report having situated child porn or other unlawful data on the device.

    Win32/Kryptik.GGXD popup alert may wrongly assert to be deriving from a legislation enforcement institution as well as will report having located kid porn or various other unlawful data on the gadget. The alert will in a similar way have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: D5F4160B
md5: 8ffdb9a29a92d29b016c061dae1f51fd
name: 8FFDB9A29A92D29B016C061DAE1F51FD.mlw
sha1: f196a41c005ac5e0000553ff0d8a028f7189a387
sha256: 8048836e6a4d46a0365072dd57cfed877117aa47310d48d81318534d823b1dd1
sha512: 8760f2ed1d6a3bc9bface0cf630653c54fa54fd46f01b07b633669bac6c4d5c782aabc6acf1cf4019261b8845e8cd9cde81ab9de9787b6468a04b3422ab90aca
ssdeep: 6144:CmWoLHIm9848/ktGaeuYc3+TUUUUUUUUjUUUUUUUUUUXUUUUUUUUUUURUUUUUUUk:CmZzIW84Gae+3+TUUUUUUUUjUUUUUUUT
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GGXD also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 003e58dd1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Backdoor.Mokes.Win32.1205
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 003e58dd1 )
Cybereason malicious.29a92d
Cyren W32/S-57da8aa8!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GGXD
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.NeutrinoPOS.fcjyqf
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Trojan.Agent/Gen-Zusy
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10ba5d53
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos Mal/Generic-R + Mal/Agent-AUL
Comodo TrojWare.Win32.Magniber.BF@7nq2ts
BitDefenderTheta Gen:NN.ZexaF.34628.vuX@aCANNon
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_GANDCRAB.SMJS2
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
FireEye Generic.mg.8ffdb9a29a92d29b
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Banker.NeutrinoPOS.ec
Avira HEUR/AGEN.1102735
Microsoft Ransom:Win32/Gandcrab.SF!MTB
Arcabit Trojan.Ransom.GandCrab.Gen.2
AegisLab Trojan.Win32.GandCrypt.j!c
GData Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee Trojan-FPPS!8FFDB9A29A92
MAX malware (ai score=99)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack.GS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_GANDCRAB.SMJS2
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Ikarus Trojan-Ransom.GandCrab
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.HCUD!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCF7cA

How to remove Win32/Kryptik.GGXD virus?

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.GGXD 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:

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If the guide doesn’t help you to remove Win32/Kryptik.GGXD 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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