Win32/Kryptik.GECV

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

What is Win32/Kryptik.GECV infection?

In this post you will locate concerning the meaning of Win32/Kryptik.GECV and also its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by online scams to require paying the ransom money by a sufferer.

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Most of the situations, Win32/Kryptik.GECV virus will certainly advise its sufferers to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s tool.

Win32/Kryptik.GECV 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.

  • 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;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the victim’s hard disk — so the target can no more use the information;
  • Preventing normal access 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.GECV

One of the most regular channels whereby Win32/Kryptik.GECV Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or stop the tool from operating in a proper way – while likewise placing a ransom note that points out the requirement for the sufferers to impact the repayment for the objective of decrypting the papers or bring back the file system back to the first condition. In a lot of circumstances, the ransom note will turn up when the customer reboots the PC after the system has actually already been damaged.

Win32/Kryptik.GECV circulation channels.

In various corners of the world, Win32/Kryptik.GECV grows by jumps as well as bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom money amount may vary relying on certain neighborhood (regional) setups. The ransom money notes and methods of obtaining the ransom quantity may differ depending on particular regional (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having detected some unlicensed applications enabled on the victim’s gadget. The alert then demands the customer to pay the ransom.

    Faulty statements about illegal material.

    In countries where software program piracy is much less popular, this method is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.GECV popup alert might wrongly declare to be deriving from a police establishment and will report having located kid porn or various other prohibited information on the tool.

    Win32/Kryptik.GECV popup alert might wrongly declare to be acquiring from a legislation enforcement establishment as well as will report having situated child porn or other unlawful information on the gadget. The alert will likewise include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 2D07702B
md5: 05f0c9158eacefd0f34b389352f27a7b
name: 05F0C9158EACEFD0F34B389352F27A7B.mlw
sha1: ba01b54d05a6a8df7bb4d42eeeb5ebb27c7b065c
sha256: 7a9b3cad70283857d52d391bfed826c5393dbd341f943a3fa6008c75d8e2b742
sha512: d3fb055715534c5fe0573b200a4e1c0918862f33fd013a02c19c72ba7962c5bcf9297137826279093d34f44642a74996e9fd6be7c3f25e67c30c30d619eca7ed
ssdeep: 6144:m5s+fGzG64RuImP1LN9RKMk/t5mFiiiiiiiiiiiiiiiiiiiiiiiiiiiiiMiiiii8:8s+fY4lUmMFiiiiiiiiiiiiiiiiiiiip
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GECV also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00532e3d1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ5
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
ZillyaTrojan.Kryptik.Win32.1378671
SangforWin.Packed.Gandcrab-6552923-4
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/GandCrypt.131bdcc5
K7GWTrojan ( 655333331 )
Cybereasonmalicious.58eace
CyrenW32/S-2b0f36b6!Eldorado
SymantecRansom.GandCrab
ESET-NOD32a variant of Win32/Kryptik.GECV
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.GandCrab.Gen.2
NANO-AntivirusTrojan.Win32.Chapak.eytggp
ViRobotTrojan.Win32.GandCrab.Gen.A
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
TencentMalware.Win32.Gencirc.10b818ae
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosMal/Generic-R + Mal/Agent-AUL
ComodoBackdoor.Win32.Quicdy.A@7k4jqu
BitDefenderThetaGen:NN.ZexaF.34608.nuX@a0Yjgsbi
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-EditionBehavesLike.Win32.Emotet.dc
FireEyeGeneric.mg.05f0c9158eacefd0
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Dropper.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/GandCrypt.PVI!MTB
AegisLabTrojan.Win32.Generic.4!c
GDataTrojan.Ransom.GandCrab.Gen.2
TACHYONTrojan/W32.Chapak.228360.C
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeeGenericRXEG-NN!05F0C9158EAC
MAXmalware (ai score=99)
VBA32TrojanDownloader.Upatre
MalwarebytesRansom.FileCryptor
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
RisingDropper.Generic!8.35E (CLOUD)
YandexTrojan.GenAsa!m9iwE5gOoxY
IkarusTrojan.Dropper
MaxSecureRansomeware.CRAB.gen
FortinetW32/Kryptik.HCLG!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.GandCrab.HwoCIKcA

How to remove Win32/Kryptik.GECV 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.GECV 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.GECV 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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