Win32/Kryptik.GGNW

What is Win32/Kryptik.GGNW infection?

In this article you will find about the definition of Win32/Kryptik.GGNW and also its negative effect on your computer. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a victim.

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Most of the cases, Win32/Kryptik.GGNW virus will certainly instruct its targets to launch funds move for the purpose of counteracting the modifications that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Kryptik.GGNW 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.
  • 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.

  • Attempts to delete volume shadow copies;
  • 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 copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the sufferer’s disk drive — so the target can no longer use the information;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Kryptik.GGNW

The most regular channels through which Win32/Kryptik.GGNW are injected are:

  • By methods of phishing emails;
  • As an effect of user winding up on a source that organizes a destructive software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or stop the gadget from working in an appropriate way – while likewise placing a ransom note that mentions the requirement for the targets to impact the settlement for the function of decrypting the documents or recovering the file system back to the initial problem. In the majority of circumstances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GGNW circulation channels.

In various edges of the globe, Win32/Kryptik.GGNW grows by leaps and bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom amount may differ depending on certain regional (regional) setups. The ransom money notes as well as methods of obtaining the ransom amount might vary depending on particular regional (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the user to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software application piracy is less popular, this method is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.GGNW popup alert may incorrectly claim to be stemming from a police establishment and also will certainly report having located child pornography or various other unlawful data on the gadget.

    Win32/Kryptik.GGNW popup alert may incorrectly claim to be acquiring from a regulation enforcement institution as well as will report having situated child porn or various other illegal data on the gadget. The alert will in a similar way include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 7D1CD788
md5: c15138de4d66a36799265622ce1937ee
name: C15138DE4D66A36799265622CE1937EE.mlw
sha1: a22516c3d68c932b1e1a449f351341f26cd106dd
sha256: 0c8db2b4984e47d4c60d43a2696e0162a4da69c43f7c4bc2effb1ebb0fb00a03
sha512: 43c554542acf710bb2d15fd133d4486dd85fa113a3dc607d555543be5a787e3de0bb19417f15b2d3ede549ccd76394376b501aa9564acea24163ae761d8beedc
ssdeep: 12288:QEHRgmqMeCOGVA+LLyUDY0jDAOfZMDtiRlbCaA34Zu4HPN:QEHR+Mepn+LLySjUPDto04Zu4HP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9Crawler.com. All rights reserved.
InternalName: Interpret
FileVersion: 8.6.96.8
CompanyName: Crawler.com
FileDescription: Flowers Listened Towers
LegalTrademarks: Copyright xa9Crawler.com. All rights reserved.
ProductName: Interpret
Languages: English
ProductVersion: 8.6.96.8
PrivateBuild: 8.6.96.8
Translation: 0x0409 0x04b0

Win32/Kryptik.GGNW also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005309061 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3953
Cynet Malicious (score: 100)
McAfee Artemis!C15138DE4D66
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.159055
Sangfor Ransom.Win32.Crusis.ckc
CrowdStrike win/malicious_confidence_90% (D)
K7GW Trojan ( 005309061 )
Cybereason malicious.e4d66a
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/Kryptik.GGNW
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Crusis.ckc
BitDefender Gen:Variant.Ransom.Shade.27
NANO-Antivirus Trojan.Win32.Encoder.fbovsm
MicroWorld-eScan Gen:Variant.Ransom.Shade.27
Tencent Win32.Trojan.Crusis.Svqn
Ad-Aware Gen:Variant.Ransom.Shade.27
BitDefenderTheta Gen:NN.ZexaE.34628.Tq0@aaj6Eoci
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_MiliCry-1h
McAfee-GW-Edition BehavesLike.Win32.Dropper.bh
FireEye Generic.mg.c15138de4d66a367
Emsisoft Gen:Variant.Ransom.Shade.27 (B)
Avira TR/AD.Crysis.qtdxg
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.Ransom.Shade.27
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ransom.Shade.27
VBA32 BScope.TrojanRansom.Foreign
MAX malware (ai score=94)
Panda Trj/CI.A
TrendMicro-HouseCall Mal_MiliCry-1h
Rising Ransom.Crusis!8.5724 (CLOUD)
Yandex Trojan.Crusis!34j8h0YfZ1s
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Kryptik.GGNW!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.CrySiS.HgIASOYA

How to remove Win32/Kryptik.GGNW 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.GGNW 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.GGNW 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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