Win32/Kryptik.GELD

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

What is Win32/Kryptik.GELD infection?

In this post you will certainly locate regarding the interpretation of Win32/Kryptik.GELD and also its unfavorable influence on your computer. Such ransomware are a form of malware that is specified by online fraudulences to require paying the ransom by a sufferer.

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Most of the situations, Win32/Kryptik.GELD virus will certainly advise its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s tool.

Win32/Kryptik.GELD Summary

These modifications can be as adheres to:

  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • 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;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the papers found on the target’s disk drive — so the victim can no longer utilize the information;
  • 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.GELD

One of the most typical channels through which Win32/Kryptik.GELD Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a source that holds a destructive software application;

As quickly as the Trojan is successfully infused, it will either cipher the information on the victim’s computer or avoid the tool from working in a proper way – while likewise putting a ransom money note that points out the demand for the victims to impact the repayment for the objective of decrypting the papers or recovering the data system back to the initial condition. In a lot of circumstances, the ransom note will certainly show up when the client reboots the PC after the system has actually already been harmed.

Win32/Kryptik.GELD distribution channels.

In numerous corners of the world, Win32/Kryptik.GELD expands by leaps and bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom money quantity might vary depending on certain local (regional) settings. The ransom notes and also tricks of obtaining the ransom quantity might vary depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software application.

    In specific areas, the Trojans typically wrongfully report having identified some unlicensed applications allowed on the victim’s tool. The alert then requires the customer to pay the ransom.

    Faulty statements about illegal web content.

    In nations where software application piracy is much less prominent, this approach is not as reliable for the cyber scams. Additionally, the Win32/Kryptik.GELD popup alert may incorrectly declare to be deriving from a law enforcement establishment and also will certainly report having situated child porn or various other prohibited information on the device.

    Win32/Kryptik.GELD popup alert may falsely declare to be deriving from a legislation enforcement organization as well as will report having situated youngster pornography or various other prohibited information on the device. The alert will likewise include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: F8E7DD6F
md5: 542112138bbff662eb985a1e2e51baa4
name: 542112138BBFF662EB985A1E2E51BAA4.mlw
sha1: 99c122736039ac16e4e473a3bafd4f86d4a9750f
sha256: 7b225ca17d6974de14d2c77b9430010a8140b3dc5db67a9ee8dfaa837936692f
sha512: 6b97dfc86613eeccf33ffde639eb8b29891c278a5dda8861a09748387404b8457c6cc4cbb95af7ce7e963f97599696b9e90d0c242954544a90f42d86671429d1
ssdeep: 3072:EMS9KGMpjFh/mmHgR3dwHAwmTUs9PGULPrHIEFeRak1xfGTpO8+Zy2XZ1gkF+R:VQxM9/VHCl199xLjH/Eaqfl8GyuZ4
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Kryptik.GELD also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0052ab031 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.A03
ALYacTrojan.Agent.CWHE
CylanceUnsafe
ZillyaTrojan.Chapak.Win32.2906
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
K7GWTrojan ( 0052ab031 )
Cybereasonmalicious.38bbff
CyrenW32/GandCrab.AW.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.GELD
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Malware.Chapak-6748687-0
KasperskyHEUR:Trojan-Ransom.Win32.GandCrypt.gen
BitDefenderTrojan.Agent.CWHE
NANO-AntivirusTrojan.Win32.Chapak.eyxoba
ViRobotTrojan.Win32.GandCrab.Gen.A
MicroWorld-eScanTrojan.Agent.CWHE
TencentMalware.Win32.Gencirc.10b0c5fb
Ad-AwareTrojan.Agent.CWHE
SophosMal/Generic-R + Mal/GandCrab-D
ComodoPacked.Win32.MUPX.Gen@24tbus
BitDefenderThetaGen:NN.ZexaF.34608.lmHfaqSLNToi
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.THEBIAH
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.542112138bbff662
EmsisoftTrojan.Agent.CWHE (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Dropper.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/GandCrab.E
ArcabitTrojan.Agent.CWHE
AegisLabTrojan.Win32.Chapak.4!c
GDataTrojan.Agent.CWHE
TACHYONTrojan/W32.Chapak.212488.B
AhnLab-V3Malware/Win32.Generic.C2525669
Acronissuspicious
McAfeeGenericRXAA-AA!542112138BBF
MAXmalware (ai score=100)
VBA32Trojan.Chapak
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.THEBIAH
RisingRansom.GandCrypt!8.F33E (RDMK:cmRtazpTvs329D05t8IZmOnyXy4j)
YandexTrojan.GenAsa!B+ajsS5cxKM
IkarusTrojan-Ransom.GandCrab
MaxSecureRansomeware.CRAB.gen
FortinetW32/GenKryptik.EKYZ!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.eb9

How to remove Win32/Kryptik.GELD 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.GELD 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.GELD 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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