Win32/Kryptik.GFWM

What is Win32/Kryptik.GFWM infection?

In this article you will certainly discover concerning the interpretation of Win32/Kryptik.GFWM and also its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to require paying the ransom by a target.

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Most of the situations, Win32/Kryptik.GFWM ransomware will certainly instruct its victims to initiate funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s device.

Win32/Kryptik.GFWM Summary

These adjustments 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;
  • Attempts to identify installed AV products by installation directory;
  • 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 records located on the victim’s hard drive — so the sufferer can no more use the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.GFWM

One of the most normal channels where Win32/Kryptik.GFWM Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of user winding up on a resource that organizes a destructive software;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or protect against the gadget from operating in a proper fashion – while additionally positioning a ransom money note that points out the need for the targets to impact the payment for the objective of decrypting the documents or recovering the file system back to the initial condition. In many instances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has currently been damaged.

Win32/Kryptik.GFWM distribution networks.

In different edges of the world, Win32/Kryptik.GFWM grows by leaps as well as bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom amount might vary depending upon certain regional (regional) settings. The ransom notes and also methods of extorting the ransom amount may differ depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the victim’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty statements concerning illegal web content.

    In nations where software piracy is less preferred, this approach is not as reliable for the cyber scams. Additionally, the Win32/Kryptik.GFWM popup alert might wrongly assert to be stemming from a police organization as well as will report having situated child pornography or various other illegal information on the tool.

    Win32/Kryptik.GFWM popup alert may wrongly declare to be deriving from a legislation enforcement institution as well as will report having situated youngster pornography or various other unlawful data on the device. The alert will similarly consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 2DE788A5
md5: 6831860e7ff2eac07c2e7de5b7255a26
name: 6831860E7FF2EAC07C2E7DE5B7255A26.mlw
sha1: 769d46c594d699a901bd22234ca3738e9f84598a
sha256: 8064628376aae2bfd178707e8e9e6ab436ae2008ade9006cc5b15e0a3caf92d9
sha512: dfef232c6c73c8e378618040762a4741e802f1e125791e8bc0ed0012ad2ead4453c0985e80230e7208884dd87da267be5460228dfdae81f7abfef440421b269b
ssdeep: 3072:QacFaoHWoS5tynlwcl4hNkanBLFnyXyr0Fp63ExgB1FvPgno7:EWwlclJr4Fp9xgJPgnU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, tafpepyuez
InternalName: toofartyless.exe
FileVersion: 5.0.0.0
ProductVersion: 12.0.0.0
Translation: 0x0809 0x04b0

Win32/Kryptik.GFWM also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053393a1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3953
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Trojan.Ransom.Win32.1409
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0053393a1 )
Cybereason malicious.e7ff2e
Cyren W32/S-f790963a!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GFWM
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Chapak.faliou
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10c92a96
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos Mal/Generic-R + Mal/GandCrab-D
Comodo TrojWare.Win32.TrojanDownloader.Quant.A@7m9mfb
BitDefenderTheta Gen:NN.ZexaF.34628.mu1@aqXVgXd
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.6831860e7ff2eac0
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDownloader.Upatre.ajbt
Avira HEUR/AGEN.1115885
eGambit Unsafe.AI_Score_63%
Microsoft Trojan:Win32/Suloc.A
Arcabit Trojan.Ransom.GandCrab.Gen.2
AegisLab Trojan.Win32.GandCrypt.j!c
GData Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrypt.201736
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee GenericRXEZ-PX!6831860E7FF2
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Yandex Trojan.GenAsa!kTkbhlHH2Ko
Ikarus Trojan-Ransom.GandCrab
MaxSecure Ransomeware.GandCrypt.Gen
Fortinet W32/Agent.BFJ!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 HEUR/QVM10.1.D0CC.Malware.Gen

How to remove Win32/Kryptik.GFWM ransomware?

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.GFWM 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.GFWM 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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