Win32/Kryptik.GDLX

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

What is Win32/Kryptik.GDLX infection?

In this post you will certainly find concerning the meaning of Win32/Kryptik.GDLX and its unfavorable effect on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom money by a target.

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In the majority of the cases, Win32/Kryptik.GDLX infection will advise its victims to initiate funds move for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

Win32/Kryptik.GDLX 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.
  • Performs some HTTP requests;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard drive — so the target can no longer utilize the information;
  • Preventing normal accessibility 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.
Similar behavior
Related domains
ipv4bot.whatismyipaddress.com Ransom:Win32/Gandcrab.36b4a08c
dns1.soprodns.ru Ransom:Win32/Gandcrab.36b4a08c
nomoreransom.coin Ransom:Win32/Gandcrab.36b4a08c
nomoreransom.bit Ransom:Win32/Gandcrab.36b4a08c
dns2.soprodns.ru Ransom:Win32/Gandcrab.36b4a08c
gandcrab.bit Ransom:Win32/Gandcrab.36b4a08c

Win32/Kryptik.GDLX

One of the most normal channels through which Win32/Kryptik.GDLX Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a resource that holds a malicious software program;

As soon as the Trojan is efficiently injected, it will either cipher the data on the target’s computer or protect against the device from operating in a correct fashion – while additionally putting a ransom note that points out the need for the sufferers to effect the settlement for the function of decrypting the files or recovering the documents system back to the preliminary condition. In most instances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.GDLX circulation networks.

In numerous edges of the world, Win32/Kryptik.GDLX grows by jumps as well as bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom quantity might vary depending upon certain neighborhood (regional) setups. The ransom notes as well as tricks of extorting the ransom amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans often wrongfully report having spotted some unlicensed applications made it possible for on the victim’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty statements about unlawful material.

    In nations where software program piracy is much less preferred, this approach is not as efficient for the cyber scams. Conversely, the Win32/Kryptik.GDLX popup alert may wrongly assert to be stemming from a police institution and also will certainly report having situated youngster porn or other unlawful data on the gadget.

    Win32/Kryptik.GDLX popup alert might wrongly claim to be acquiring from a law enforcement establishment and also will report having situated kid porn or other unlawful data on the device. The alert will similarly consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: 12EC430A
md5: e0fd0f75f60ef180cc0a61b2a8ed12fe
name: E0FD0F75F60EF180CC0A61B2A8ED12FE.mlw
sha1: 12a9296a63b9c6d909cabf7934e89d391512da8e
sha256: 4e8cf431d874828d5f36a2a0470894574bb1c1aeaf3c9844ca45144ed42a3bf7
sha512: e23f359a41d382a69f32c1aeee09b45857dd701df8541794c5c110e20d3c5f926075d48e434a9d9de299b7e741ca4bcd4d8b2c72c8ad01c7faf24165c7828d54
ssdeep: 3072:816ZteTMhtnxYJShLxcfZCUVT4GZeEFMe+AeQ+mFbuN2tRVUPD2M9qTb6lpX66h:u6ZtTHnxvgNpuvSFbuQz6PD2bbh6h
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, kuneardiurig
FileVersion: 10.1.10.11
ProductVersion: 10.1.10.11
Translation: 0x0809 0x04b0

Win32/Kryptik.GDLX also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.BRMon.Gen.3
FireEye Generic.mg.e0fd0f75f60ef180
CAT-QuickHeal Trojan.Chapak.ZZ6
McAfee Packed-FAG!E0FD0F75F60E
Cylance Unsafe
Zillya Trojan.GandCrypt.Win32.124
AegisLab Trojan.Win32.GandCrypt.j!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0053305e1 )
BitDefender Trojan.BRMon.Gen.3
K7GW Trojan ( 0053305e1 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/S-335f8783!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:Rootkit-gen [Rtk]
ClamAV Win.Packer.Crypter-6539596-1
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/Gandcrab.36b4a08c
NANO-Antivirus Trojan.Win32.Androm.eygeng
Rising Malware.Obscure!1.A3BB (CLOUD)
Ad-Aware Trojan.BRMon.Gen.3
Emsisoft Trojan.BRMon.Gen.3 (B)
Comodo TrojWare.Win32.Ransom.GandCrab.A@7jk3ar
F-Secure Heuristic.HEUR/AGEN.1117310
DrWeb Trojan.Encoder.24384
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_EMOTET.SMB1
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Sophos Mal/Generic-S + Mal/GandCrab-B
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.z
MaxSecure Trojan.Malware.300983.susgen
Avira HEUR/AGEN.1117310
MAX malware (ai score=99)
Antiy-AVL Trojan[Ransom]/Win32.GandCrypt
Microsoft Ransom:Win32/Gandcrab.SF!MTB
Arcabit Trojan.BRMon.Gen.3
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.BRMon.Gen.3
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.GandCrypt.C2412211
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.tu0@amA@WwbO
ALYac Trojan.BRMon.Gen.3
TACHYON Ransom/W32.GandCrypt.318976.B
VBA32 BScope.Trojan.Encoder
Malwarebytes Trojan.MalPack.Generic
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GDLX
TrendMicro-HouseCall TSPY_EMOTET.SMB1
Tencent Malware.Win32.Gencirc.10b7d442
Yandex Riskware.Miner!sP/hptLRTDI
Ikarus Virus.Win32.Obfuscator
Fortinet W32/Kryptik.HCUD!tr
AVG Win32:Rootkit-gen [Rtk]
Cybereason malicious.5f60ef
Paloalto generic.ml
Qihoo-360 Win32/Trojan.215

How to remove Win32/Kryptik.GDLX 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.GDLX 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.GDLX 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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