Win32/Kryptik.GFAG

Written by Robert Bailey

What is Win32/Kryptik.GFAG infection?

In this post you will certainly discover concerning the definition of Win32/Kryptik.GFAG and its adverse influence on your computer. Such ransomware are a kind of malware that is clarified by online frauds to require paying the ransom money by a target.

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In the majority of the instances, Win32/Kryptik.GFAG ransomware will advise its victims to launch funds transfer for the objective of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.GFAG 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the sufferer’s disk drive — so the target can no longer use the information;
  • Preventing regular access to the target’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.GFAG

One of the most common networks through which Win32/Kryptik.GFAG are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a resource that holds a harmful software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or avoid the tool from functioning in an appropriate manner – while additionally positioning a ransom note that mentions the need for the victims to impact the settlement for the objective of decrypting the papers or restoring the file system back to the preliminary condition. In many instances, the ransom money note will certainly show up when the client reboots the PC after the system has actually already been harmed.

Win32/Kryptik.GFAG circulation channels.

In different corners of the globe, Win32/Kryptik.GFAG grows by leaps as well as bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom money quantity may vary relying on specific regional (regional) settings. The ransom notes as well as tricks of extorting the ransom money quantity may differ depending on certain regional (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the sufferer’s gadget. The alert then requires the individual to pay the ransom.

    Faulty statements regarding prohibited content.

    In nations where software application piracy is less popular, this technique is not as reliable for the cyber frauds. Additionally, the Win32/Kryptik.GFAG popup alert may wrongly declare to be stemming from a law enforcement establishment and will certainly report having situated child pornography or various other prohibited data on the gadget.

    Win32/Kryptik.GFAG popup alert may incorrectly declare to be obtaining from a law enforcement establishment and will certainly report having located youngster porn or various other prohibited data on the gadget. The alert will likewise include a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 02A5BE6E
md5: 5f503151fa517de0b47d71a4d566ed4d
name: 5F503151FA517DE0B47D71A4D566ED4D.mlw
sha1: bd14a11a5b90dbcb74c0e66d243ff6b4faa9610e
sha256: 0c8a831dd2e8b3a800a2ccdb194e18d7a77992c514262f8931702066d0523548
sha512: 5e597189ead41bffe8bff15a54a9abb542732c89026ac636bd55e9789484f0e8b14b3b8d14848ac9a611936d7566bb77443ab7f04948f8a4b552bd0ea62bc1ac
ssdeep: 6144:ZoUEMvtV0FTHNCnAUHy/p/SkcARFIWpU86TC/AwnyLLHCY:ZlEstVSzEAUHy/kc9pUdTC/AwCLH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GFAG also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 003e58dd1 )
Elastic malicious (high confidence)
DrWeb BackDoor.IRC.Bot.5499
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
Cylance Unsafe
Zillya Trojan.Generic.Win32.300717
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 003e58dd1 )
Cybereason malicious.1fa517
Cyren W32/S-8e21fe12!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GFAG
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Gandcrab-6502434-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Emotet.Gen.3
NANO-Antivirus Trojan.Win32.Chapak.ezhstp
MicroWorld-eScan Trojan.Emotet.Gen.3
Tencent Win32.Trojan.Generic.Syia
Ad-Aware Trojan.Emotet.Gen.3
Sophos Mal/Generic-R + Mal/GandCrab-D
Comodo TrojWare.Win32.Fuerboos.GD@7m1kcc
BitDefenderTheta Gen:NN.ZexaF.34628.wuW@aebNnKji
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.5f503151fa517de0
Emsisoft Trojan.Emotet.Gen.3 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Generic.ctuxl
Avira HEUR/AGEN.1117310
eGambit Unsafe.AI_Score_98%
Microsoft Ransom:Win32/Gandcrab.B!MTB
Arcabit Trojan.Emotet.Gen.3
AegisLab Trojan.Multi.Generic.4!c
GData Trojan.Emotet.Gen.3
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
McAfee GenericRXEM-OS!5F503151FA51
MAX malware (ai score=98)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
Rising Spyware.Ursnif!8.1DEF (TFE:5:pBDpi0fXhJK)
Yandex Trojan.GenAsa!knBX8tsSLbw
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.HCIM!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.Spy.eb8

How to remove Win32/Kryptik.GFAG 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.GFAG 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.GFAG 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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