Win32/Kryptik.GFMT

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

What is Win32/Kryptik.GFMT infection?

In this article you will certainly find about the interpretation of Win32/Kryptik.GFMT and also its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by on the internet scams to require paying the ransom money by a victim.

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In the majority of the instances, Win32/Kryptik.GFMT virus will instruct its sufferers to launch funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the victim’s gadget.

Win32/Kryptik.GFMT Summary

These adjustments 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.
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the sufferer’s hard drive — so the sufferer can no more utilize the data;
  • Preventing normal accessibility to the victim’s workstation;

Win32/Kryptik.GFMT

One of the most typical channels whereby Win32/Kryptik.GFMT Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of user winding up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s PC or protect against the gadget from operating in a proper way – while likewise putting a ransom money note that mentions the need for the victims to effect the repayment for the function of decrypting the files or recovering the documents system back to the first condition. In the majority of instances, the ransom note will certainly turn up when the customer reboots the PC after the system has actually currently been harmed.

Win32/Kryptik.GFMT circulation networks.

In various corners of the globe, Win32/Kryptik.GFMT expands by jumps as well as bounds. However, the ransom money notes and methods of extorting the ransom amount may vary depending upon certain regional (local) settings. The ransom notes and techniques of extorting the ransom quantity might vary depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s tool. The alert after that requires the user to pay the ransom money.

    Faulty declarations regarding unlawful material.

    In nations where software piracy is much less popular, this technique is not as effective for the cyber fraudulences. Conversely, the Win32/Kryptik.GFMT popup alert may falsely declare to be stemming from a law enforcement organization and will certainly report having located child pornography or other unlawful data on the tool.

    Win32/Kryptik.GFMT popup alert might falsely assert to be deriving from a regulation enforcement establishment and will report having situated child pornography or various other unlawful information on the gadget. The alert will likewise have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 8F343B0F
md5: f337836a0def109f7f17a12070f5e877
name: F337836A0DEF109F7F17A12070F5E877.mlw
sha1: 4ce8d55010e94f4502287e445c4a9f10765ac154
sha256: 7bd926f627518de0d8a4d5f718aa67f47eb8150a7513b7e426d88b9a2b89db1a
sha512: 470e1e322a83fa58a2674bd8c784be79c80bf799851a07eca2786e2aab6adc6ac60f4f8783c709cbce6a04c1138753a89631cd1b1d3512c594267b875e6419e8
ssdeep: 3072:1Gx/E2/PsfRij7RFmJVIm+fSt93u1fONIbvj/mhRn9Sxy1SKq:1Ge2/0fGdMkmGo93utO2z+I
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, fockertoub
InternalName: toofartyless.exe
FileVersion: 5.0.0.0
ProductVersion: 5.0.0.0
Translation: 0x0809 0x04b0

Win32/Kryptik.GFMT also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00532e3d1 )
Elastic malicious (high confidence)
ClamAV Win.Packed.Gandcrab-6552923-4
CAT-QuickHeal Ransom.GandCrab.MUE.YY5
ALYac Trojan.Ransom.GandCrab.Gen.2
Malwarebytes Trojan.MalPack
Zillya Trojan.Chapak.Win32.2659
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 655333331 )
Cybereason malicious.a0def1
BitDefenderTheta Gen:NN.ZexaF.34608.lu1@aqna0xi
Cyren W32/Chapak.UCHP-5992
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GFMT
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Nymaim.faduhv
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10b73cda
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Comodo TrojWare.Win32.Occamy.B@7lob5w
DrWeb Trojan.Encoder.24384
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.f337836a0def109f
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
Avira HEUR/AGEN.1121532
Microsoft Trojan:Win32/Emotet.VDS!MTB
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
VBA32 BScope.Trojan.Encoder
MAX malware (ai score=99)
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Trojan.Kryptik!1.B383 (RDMK:cmRtazrfAGsKjwc0LZWuFIflL0vB)
Yandex Trojan.GenAsa!rAIuw6rP61I
SentinelOne Static AI – Malicious PE
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GXCI!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.09d

How to remove Win32/Kryptik.GFMT virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.GFMT 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.GFMT 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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