Win32/Kryptik.GJVN

Written by Robert Bailey

What is Win32/Kryptik.GJVN infection?

In this article you will discover regarding the definition of Win32/Kryptik.GJVN and its adverse effect on your computer. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a target.

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In the majority of the situations, Win32/Kryptik.GJVN ransomware will certainly instruct its sufferers to launch funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.GJVN Summary

These alterations can be as follows:

  • 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.
  • Attempts to connect to a dead IP:Port (6 unique times);
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • 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.
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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;
  • Ciphering the documents found on the target’s disk drive — so the target can no longer 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.
Similar behavior
Related domains
z.whorecord.xyz Trojan.Ransom.GandCrab
a.tomx.xyz Trojan.Ransom.GandCrab
www.billerimpex.com Trojan.Ransom.GandCrab
www.macartegrise.eu Trojan.Ransom.GandCrab
www.poketeg.com Trojan.Ransom.GandCrab
perovaphoto.ru Trojan.Ransom.GandCrab
asl-company.ru Trojan.Ransom.GandCrab
www.fabbfoundation.gm Trojan.Ransom.GandCrab
www.perfectfunnelblueprint.com Trojan.Ransom.GandCrab
www.wash-wear.com Trojan.Ransom.GandCrab
pp-panda74.ru Trojan.Ransom.GandCrab
cevent.net Trojan.Ransom.GandCrab
bellytobabyphotographyseattle.com Trojan.Ransom.GandCrab
alem.be Trojan.Ransom.GandCrab
apps.identrust.com Trojan.Ransom.GandCrab
crl.identrust.com Trojan.Ransom.GandCrab
boatshowradio.com Trojan.Ransom.GandCrab
dna-cp.com Trojan.Ransom.GandCrab
acbt.fr Trojan.Ransom.GandCrab
r3.o.lencr.org Trojan.Ransom.GandCrab
wpakademi.com Trojan.Ransom.GandCrab
www.cakav.hu Trojan.Ransom.GandCrab
www.mimid.cz Trojan.Ransom.GandCrab
6chen.cn Trojan.Ransom.GandCrab
goodapd.website Trojan.Ransom.GandCrab
oceanlinen.com Trojan.Ransom.GandCrab
tommarmores.com.br Trojan.Ransom.GandCrab
nesten.dk Trojan.Ransom.GandCrab
zaeba.co.uk Trojan.Ransom.GandCrab
www.n2plus.co.th Trojan.Ransom.GandCrab
koloritplus.ru Trojan.Ransom.GandCrab
h5s.vn Trojan.Ransom.GandCrab
marketisleri.com Trojan.Ransom.GandCrab
www.toflyaviacao.com.br Trojan.Ransom.GandCrab
www.rment.in Trojan.Ransom.GandCrab
www.lagouttedelixir.com Trojan.Ransom.GandCrab
www.krishnagrp.com Trojan.Ransom.GandCrab
big-game-fishing-croatia.hr Trojan.Ransom.GandCrab
ocsp.digicert.com Trojan.Ransom.GandCrab
mauricionacif.com Trojan.Ransom.GandCrab
www.ismcrossconnect.com Trojan.Ransom.GandCrab
aurumwedding.ru Trojan.Ransom.GandCrab
test.theveeview.com Trojan.Ransom.GandCrab
relectrica.com.mx Trojan.Ransom.GandCrab
bethel.com.ve Trojan.Ransom.GandCrab
vjccons.com.vn Trojan.Ransom.GandCrab
bloghalm.eu Trojan.Ransom.GandCrab
cyclevegas.com Trojan.Ransom.GandCrab
royal.by Trojan.Ransom.GandCrab
www.himmerlandgolf.dk Trojan.Ransom.GandCrab
hoteltravel2018.com Trojan.Ransom.GandCrab
picusglancus.pl Trojan.Ransom.GandCrab
unnatimotors.in Trojan.Ransom.GandCrab
krasnaypolyana123.ru Trojan.Ransom.GandCrab
smbardoli.org Trojan.Ransom.GandCrab
edgedl.me.gvt1.com Trojan.Ransom.GandCrab

Win32/Kryptik.GJVN

The most normal networks whereby Win32/Kryptik.GJVN are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of individual winding up on a resource that organizes a destructive software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or avoid the gadget from operating in a proper way – while also putting a ransom note that mentions the requirement for the sufferers to impact the repayment for the objective of decrypting the papers or restoring the documents system back to the preliminary problem. In most circumstances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.GJVN distribution channels.

In different edges of the globe, Win32/Kryptik.GJVN expands by leaps as well as bounds. However, the ransom money notes as well as techniques of extorting the ransom money quantity may vary depending on particular neighborhood (regional) settings. The ransom notes as well as methods of extorting the ransom amount may differ depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In particular locations, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the user to pay the ransom money.

    Faulty declarations about illegal material.

    In nations where software piracy is less prominent, this approach is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.GJVN popup alert might incorrectly declare to be stemming from a police organization as well as will report having located youngster pornography or various other prohibited data on the gadget.

    Win32/Kryptik.GJVN popup alert might wrongly assert to be obtaining from a regulation enforcement establishment as well as will certainly report having located youngster porn or other illegal information on the tool. The alert will likewise have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: BBCFC587
md5: b305aacafca5660cac4f2f6842cd378a
name: B305AACAFCA5660CAC4F2F6842CD378A.mlw
sha1: f148cf429547d3c889f85174c2f4553a4019dba5
sha256: 643be0ece570400dd2c2e0c264930cc8b69943d2f5950c88d604f29ce4968486
sha512: 54c7c46c1e2392a083a37f23f819a0eae81daf3066f296297aa916e8890bb067554e0fcec772f8e08393ac7a6da61a1822073e453d56f6d5630b2866e0038b62
ssdeep: 6144:RoxTstkaGexCLy39wN1wvLhs9u5VpvMLIVHrPXIJ:CxKEeOy3uN1wvLh6kVzIJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: sgfnghmj.exe

Win32/Kryptik.GJVN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053d5971 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.25867
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.GandCrab
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Kryptik.e49c1c8a
K7GW Trojan ( 0053d5971 )
Cybereason malicious.afca56
Cyren W32/Kryptik.IC.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GJVN
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.4
NANO-Antivirus Trojan.Win32.GandCrypt.fhwjer
ViRobot Trojan.Win32.R.Agent.225792.C
MicroWorld-eScan Trojan.BRMon.Gen.4
Tencent Win32.Trojan.Generic.Pbon
Ad-Aware Trojan.BRMon.Gen.4
Sophos Mal/Generic-S + Mal/GandCrab-B
Comodo TrojWare.Win32.Cloxer.DA@7t5ola
BitDefenderTheta Gen:NN.ZexaF.34690.nu0@aOhNNAnG
McAfee-GW-Edition BehavesLike.Win32.Emotet.dc
FireEye Generic.mg.b305aacafca5660c
Emsisoft Trojan.BRMon.Gen.4 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.PSW.Coins.aqi
Avira HEUR/AGEN.1106537
Antiy-AVL Trojan/Generic.ASMalwS.27CE841
Microsoft Ransom:Win32/Genasom
AegisLab Trojan.Win32.GandCrypt.j!c
GData Trojan.BRMon.Gen.4
AhnLab-V3 Win-Trojan/Gandcrab07.Exp
Acronis suspicious
McAfee Trojan-FPYM!B305AACAFCA5
MAX malware (ai score=100)
VBA32 BScope.TrojanPSW.Coins
Malwarebytes Trojan.Agent
Panda Trj/GdSda.A
Rising Malware.Obscure/Heur!1.9E03 (CLOUD)
Yandex Trojan.GenAsa!uTNzttLwtm8
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Kryptik.GJUV!tr.ransom
AVG FileRepMalware
Paloalto generic.ml

How to remove Win32/Kryptik.GJVN 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.GJVN 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.GJVN 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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