Win32/Kryptik.GCXJ

What is Win32/Kryptik.GCXJ infection?

In this short article you will certainly discover about the meaning of Win32/Kryptik.GCXJ as well as its negative effect on your computer system. Such ransomware are a kind of malware that is specified by on the internet frauds to demand paying the ransom by a target.

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In the majority of the situations, Win32/Kryptik.GCXJ ransomware will certainly advise its targets to initiate funds transfer for the function of neutralizing the amendments that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.GCXJ 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Czech;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • 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!
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the target’s hard disk — so the victim can no more make use of the data;
  • Preventing routine access to the victim’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.GCXJ

One of the most common networks through which Win32/Kryptik.GCXJ Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of user ending up on a resource that hosts a harmful software application;

As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or prevent the device from functioning in an appropriate fashion – while also positioning a ransom note that mentions the need for the sufferers to effect the repayment for the objective of decrypting the files or recovering the data system back to the initial condition. In most circumstances, the ransom money note will show up when the client reboots the PC after the system has actually already been damaged.

Win32/Kryptik.GCXJ distribution networks.

In different edges of the globe, Win32/Kryptik.GCXJ expands by jumps as well as bounds. However, the ransom notes and tricks of extorting the ransom amount might differ relying on certain regional (regional) settings. The ransom notes and methods of extorting the ransom money amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s tool. The alert after that demands the customer to pay the ransom.

    Faulty statements about prohibited web content.

    In nations where software program piracy is much less prominent, this technique is not as efficient for the cyber frauds. Additionally, the Win32/Kryptik.GCXJ popup alert may falsely assert to be stemming from a law enforcement organization as well as will certainly report having located kid porn or various other unlawful information on the device.

    Win32/Kryptik.GCXJ popup alert may incorrectly declare to be acquiring from a law enforcement institution and will report having situated youngster pornography or other unlawful data on the gadget. The alert will similarly consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 3CBA1E46
md5: 2c26a98b8db2b23ac2767339d3397ece
name: 2C26A98B8DB2B23AC2767339D3397ECE.mlw
sha1: 7cb452c9490770bad9e3d506cefe013a64f7e8a3
sha256: 7cea27669594f4c7405a55b9dcefb7e97acbd182abd269c586c8b3f30e422359
sha512: 8d0e8eef4b1c98e540902b259aa7c458ef00daca357687ef1a99bb73aa8d1215f2f693f8b851a26d5b40618a81293d175e22a58e36cdcc4749f25b4d33eb86c2
ssdeep: 24576:K0aXRsjWeko+1cDxjS5AWt7hTbZHVJVkho2sw7R5pm7lPALg:eKkPtt7xN1PcvpIPmg
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, masasrfure
InternalName: sgahagajfgha.exe
FileVersion: 1.0.0.1
ProductVersion: 1.0.0.1
Translation: 0x0809 0x04b0

Win32/Kryptik.GCXJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0052696e1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoad4.3374
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.BRMon.Gen.1
Cylance Unsafe
Zillya Trojan.Miner.Win32.2555
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:Win32/GandCrab.f93b4012
K7GW Trojan ( 0052696e1 )
Cybereason malicious.b8db2b
Cyren W32/Ransom.JE.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GCXJ
APEX Malicious
Avast FileRepMetagen [Malware]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.1
NANO-Antivirus Trojan.Win32.Miner.eybyxq
ViRobot Trojan.Win32.Ransom.335360.A
MicroWorld-eScan Trojan.BRMon.Gen.1
Tencent Win32.Trojan.Generic.Hrfi
Ad-Aware Trojan.BRMon.Gen.1
Sophos Mal/Generic-S + Mal/GandCrab-B
Comodo TrojWare.Win32.Ransom.GandCrypt.B@7ikv0k
BitDefenderTheta Gen:NN.ZexaF.34608.dz1@a4pK@afG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMONT
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.2c26a98b8db2b23a
Emsisoft Trojan.BRMon.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen
Microsoft Ransom:Win32/GandCrab.AU!bit
AegisLab Trojan.Win32.Miner.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.BRMon.Gen.1
AhnLab-V3 Win-Trojan/MalPe34.Suspicious.X2029
Acronis suspicious
McAfee Artemis!2C26A98B8DB2
MAX malware (ai score=97)
VBA32 Trojan.Download
Malwarebytes Trojan.MalPack
Panda Trj/Agent.PR
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMONT
Rising Malware.Obscure/Heur!1.9E03 (CLOUD)
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.GandCrypt.Gen
Fortinet W32/GenKryptik.CNAR!tr
AVG FileRepMetagen [Malware]
Paloalto generic.ml
Qihoo-360 Win32/TrojanDropper.Generic.HgIASOcA

How to remove Win32/Kryptik.GCXJ 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.GCXJ 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.GCXJ 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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