Win32/Kryptik.GKUD

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

What is Win32/Kryptik.GKUD infection?

In this post you will certainly discover about the meaning of Win32/Kryptik.GKUD and also its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by online scams to demand paying the ransom by a target.

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Most of the instances, Win32/Kryptik.GKUD virus will certainly advise its victims to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.GKUD Summary

These modifications can be as follows:

  • Unconventionial language used in binary resources: Portuguese (Brazilian);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard drive — so the victim can no more use the information;
  • Preventing normal accessibility 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.

Win32/Kryptik.GKUD

One of the most normal networks whereby Win32/Kryptik.GKUD are injected 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 ending up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the target’s PC or prevent the device from operating in an appropriate way – while also putting a ransom money note that points out the need for the sufferers to effect the payment for the purpose of decrypting the files or recovering the documents system back to the initial condition. In a lot of circumstances, the ransom money note will come up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.GKUD circulation networks.

In various corners of the globe, Win32/Kryptik.GKUD expands by leaps and also bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom money quantity might differ depending on particular neighborhood (regional) settings. The ransom notes and also methods of extorting the ransom amount may differ depending on certain local (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

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

    Faulty statements concerning prohibited content.

    In countries where software piracy is much less prominent, this method is not as efficient for the cyber frauds. Additionally, the Win32/Kryptik.GKUD popup alert may falsely declare to be stemming from a law enforcement institution and will report having located kid pornography or other prohibited information on the tool.

    Win32/Kryptik.GKUD popup alert might incorrectly claim to be obtaining from a law enforcement institution and also will certainly report having situated youngster pornography or other illegal information on the tool. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 20B56977
md5: d1cd4b72b9f9d41a4671c63d9809e3fb
name: D1CD4B72B9F9D41A4671C63D9809E3FB.mlw
sha1: fb7af8720f8bb31fc47f022557837b4c9085f8b1
sha256: 7af2b532f72f797ab3916c559917c1b32b03101bad178ad02db9f44e8b07da95
sha512: 2fe29332b2b07941a48590ca313a854de9f96230b4777745acb65f7a04305bfe1be2958ab5b1530cca4a31623f1f40df3fb73956b58b53529d8a446b007c785b
ssdeep: 3072:PVyDZ19bGi4N++wCZ6phwRCBA77jN54rX0gE9ht1byCfJXpR0TM/sUEqbmFZxOE:9mZ19boaSwar4LlAeCxIXZx3+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: dfogdofgb.exe
FileVersion: 1.0.0.2
Translation: 0x0809 0x04b0

Win32/Kryptik.GKUD also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 003c36381 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.25976
CynetMalicious (score: 100)
ALYacTrojan.BRMon.Gen.4
CylanceUnsafe
ZillyaTrojan.Chapak.Win32.11309
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaTrojan:Win32/Chapak.00a17f83
K7GWTrojan ( 003c36381 )
Cybereasonmalicious.2b9f9d
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GKUD
APEXMalicious
AvastWin32:PWSX-gen [Trj]
KasperskyTrojan.Win32.Chapak.atth
BitDefenderTrojan.BRMon.Gen.4
NANO-AntivirusTrojan.Win32.Chapak.fhymmv
MicroWorld-eScanTrojan.BRMon.Gen.4
TencentWin32.Trojan.Chapak.Wrgn
Ad-AwareTrojan.BRMon.Gen.4
SophosMal/Generic-R + Mal/GandCrab-B
ComodoTrojWare.Win32.TrojanSpy.Ursnif.EM@7vyz23
BitDefenderThetaGen:NN.ZexaF.34608.pu0@aOZUsFbG
VIPRETrojan.Win32.Generic!BT
TrendMicroMal_HPGen-50
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.d1cd4b72b9f9d41a
EmsisoftTrojan.BRMon.Gen.4 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1106537
eGambitUnsafe.AI_Score_98%
MicrosoftTrojan:Win32/Skeeyah.A!rfn
ArcabitTrojan.BRMon.Gen.4
AegisLabTrojan.Win32.Chapak.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.GandCrab.N
AhnLab-V3Win-Trojan/MalPe36.Suspicious.X2037
Acronissuspicious
McAfeePacked-FLX!D1CD4B72B9F9
MAXmalware (ai score=100)
VBA32BScope.TrojanRansom.GandCrypt
MalwarebytesRansom.GandCrab
PandaTrj/GdSda.A
TrendMicro-HouseCallMal_HPGen-50
RisingTrojan.Vigorf!8.EAEA (CLOUD)
YandexTrojan.GenAsa!Fy2hTHxyMtY
IkarusTrojan.Win32.Ranumbot
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.GMSM!tr
AVGWin32:PWSX-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.7b5

How to remove Win32/Kryptik.GKUD 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.GKUD 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.GKUD 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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