Win32/Kryptik.GOON

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

What is Win32/Kryptik.GOON infection?

In this article you will certainly locate about the definition of Win32/Kryptik.GOON and also its adverse effect on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a target.

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In the majority of the cases, Win32/Kryptik.GOON infection will instruct its sufferers to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the sufferer’s device.

Win32/Kryptik.GOON Summary

These modifications 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.
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Mimics the file times of a Windows system file;
  • 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
  • Attempts to identify installed AV products by registry key;
  • Creates a copy of itself;
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing normal 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.

Win32/Kryptik.GOON

One of the most normal networks whereby Win32/Kryptik.GOON Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the sufferer’s computer or avoid the device from operating in an appropriate fashion – while additionally placing a ransom note that states the requirement for the victims to effect the payment for the objective of decrypting the files or restoring the file system back to the preliminary problem. In a lot of instances, the ransom note will show up when the client restarts the PC after the system has currently been damaged.

Win32/Kryptik.GOON circulation networks.

In different edges of the globe, Win32/Kryptik.GOON grows by jumps as well as bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom money amount might vary depending on particular regional (regional) settings. The ransom money notes as well as techniques of extorting the ransom quantity might vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In specific areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications allowed on the victim’s device. The sharp then requires the customer to pay the ransom money.

    Faulty statements concerning prohibited material.

    In nations where software program piracy is less preferred, this technique is not as effective for the cyber frauds. Additionally, the Win32/Kryptik.GOON popup alert might falsely assert to be originating from a law enforcement institution and also will report having located kid pornography or various other illegal data on the gadget.

    Win32/Kryptik.GOON popup alert might incorrectly claim to be acquiring from a regulation enforcement establishment and also will report having located kid porn or various other illegal data on the tool. The alert will in a similar way have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 78617A0D
md5: 2e55c1c69cd6eab85ff0e444ce460894
name: 2E55C1C69CD6EAB85FF0E444CE460894.mlw
sha1: bcbc6d6847918840576549994eddee4cb0c3c03d
sha256: a2ea8bcbab068944fe0c2e356d0ec0a2e3ad0bdcda788cb404babc70c35bbf93
sha512: fe2954b111f4e8a77a4bf20150b054340629220269ce441e3572b00922b4c58c47cf58aed86c78ac146bc57d5313d7b1eb3faec62924b7f1618df4498ea564b0
ssdeep: 12288:MNa8NF7Sn0TgTgg2/xSxa0rBmgcBu82OgGKSI3cZy5KM:eK4gTgBkjmRBumgGKSOcZeKM
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Assembly Version: 3.1.1.8
LegalCopyright: xa9 2016 All rights reserved. WiseCleaner.com
InternalName: Drp Sway
FileVersion: 3.1.1.8
CompanyName: WiseCleaner.com
FileDescription: Hash Signing
LegalTrademarks: xa9 2016 All rights reserved. WiseCleaner.com
Comments: Hash Signing
ProductName: Drp Sway
Languages: English
ProductVersion: 3.1.1.8
PrivateBuild: 3.1.1.8
OriginalFilename: Drp Sway.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.GOON also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0053e4221 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Panda.13534
CynetMalicious (score: 100)
ALYacGen:Variant.Ransom.Shade.27
CylanceUnsafe
ZillyaTrojan.Yakes.Win32.69672
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_70% (D)
AlibabaTrojan:Win32/Yakes.a0ce82e4
K7GWTrojan ( 0053e4221 )
Cybereasonmalicious.69cd6e
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GOON
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan.Win32.Yakes.xnxa
BitDefenderGen:Variant.Ransom.Shade.27
NANO-AntivirusTrojan.Win32.Yakes.fitsvj
MicroWorld-eScanGen:Variant.Ransom.Shade.27
TencentWin32.Trojan.Yakes.Htcn
Ad-AwareGen:Variant.Ransom.Shade.27
SophosMal/Generic-S
ComodoMalware@#3lwvpnygu4v46
BitDefenderThetaGen:NN.ZexaF.34692.Jq0@a0Vssdai
McAfee-GW-EditionBehavesLike.Win32.Worm.hh
FireEyeGeneric.mg.2e55c1c69cd6eab8
EmsisoftGen:Variant.Ransom.Shade.27 (B)
AviraHEUR/AGEN.1120827
MicrosoftTrojan:Win32/Skeeyah.A!rfn
ArcabitTrojan.Ransom.Shade.27
AegisLabTrojan.Win32.Yakes.4!c
GDataGen:Variant.Ransom.Shade.27
AhnLab-V3Malware/Win32.Generic.C2785599
McAfeeArtemis!2E55C1C69CD6
VBA32Trojan.Yakes
PandaTrj/CI.A
RisingTrojan.Kryptik!8.8 (CLOUD)
YandexTrojan.Yakes!dcQIMhLrvlo
IkarusTrojan-Spy.Remcos
FortinetW32/Yakes.GLLA!tr
AVGWin32:Malware-gen

How to remove Win32/Kryptik.GOON 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.GOON 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.GOON 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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