Win32/Kryptik.GJWH

Written by Robert Bailey

What is Win32/Kryptik.GJWH infection?

In this article you will certainly find about the meaning of Win32/Kryptik.GJWH and its negative influence on your computer system. Such ransomware are a type of malware that is specified by on-line frauds to demand paying the ransom by a sufferer.

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In the majority of the situations, Win32/Kryptik.GJWH ransomware will instruct its victims to launch funds move for the purpose of neutralizing the modifications that the Trojan infection has presented to the target’s tool.

Win32/Kryptik.GJWH Summary

These modifications 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;
  • Unconventionial language used in binary resources: Albanian;
  • 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 situated on the target’s disk drive — so the victim can no more use the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyzWin32.Trojan-Ransom.GandCrab.U
a.tomx.xyzWin32.Trojan-Ransom.GandCrab.U
www.billerimpex.comWin32.Trojan-Ransom.GandCrab.U
www.macartegrise.euWin32.Trojan-Ransom.GandCrab.U
www.poketeg.comWin32.Trojan-Ransom.GandCrab.U
perovaphoto.ruWin32.Trojan-Ransom.GandCrab.U
asl-company.ruWin32.Trojan-Ransom.GandCrab.U
www.fabbfoundation.gmWin32.Trojan-Ransom.GandCrab.U
www.perfectfunnelblueprint.comWin32.Trojan-Ransom.GandCrab.U
www.wash-wear.comWin32.Trojan-Ransom.GandCrab.U
ocsp.digicert.comWin32.Trojan-Ransom.GandCrab.U
pp-panda74.ruWin32.Trojan-Ransom.GandCrab.U
cevent.netWin32.Trojan-Ransom.GandCrab.U
bellytobabyphotographyseattle.comWin32.Trojan-Ransom.GandCrab.U
alem.beWin32.Trojan-Ransom.GandCrab.U
apps.identrust.comWin32.Trojan-Ransom.GandCrab.U
crl.identrust.comWin32.Trojan-Ransom.GandCrab.U
boatshowradio.comWin32.Trojan-Ransom.GandCrab.U
dna-cp.comWin32.Trojan-Ransom.GandCrab.U
acbt.frWin32.Trojan-Ransom.GandCrab.U
r3.o.lencr.orgWin32.Trojan-Ransom.GandCrab.U
wpakademi.comWin32.Trojan-Ransom.GandCrab.U
www.cakav.huWin32.Trojan-Ransom.GandCrab.U
www.mimid.czWin32.Trojan-Ransom.GandCrab.U
6chen.cnWin32.Trojan-Ransom.GandCrab.U
goodapd.websiteWin32.Trojan-Ransom.GandCrab.U
oceanlinen.comWin32.Trojan-Ransom.GandCrab.U
tommarmores.com.brWin32.Trojan-Ransom.GandCrab.U
nesten.dkWin32.Trojan-Ransom.GandCrab.U
zaeba.co.ukWin32.Trojan-Ransom.GandCrab.U
www.n2plus.co.thWin32.Trojan-Ransom.GandCrab.U
koloritplus.ruWin32.Trojan-Ransom.GandCrab.U
h5s.vnWin32.Trojan-Ransom.GandCrab.U
marketisleri.comWin32.Trojan-Ransom.GandCrab.U
www.toflyaviacao.com.brWin32.Trojan-Ransom.GandCrab.U
www.rment.inWin32.Trojan-Ransom.GandCrab.U
www.lagouttedelixir.comWin32.Trojan-Ransom.GandCrab.U
www.krishnagrp.comWin32.Trojan-Ransom.GandCrab.U

Win32/Kryptik.GJWH

The most common networks through which Win32/Kryptik.GJWH Ransomware Trojans are injected are:

  • By means of phishing emails;
  • As an effect of individual winding up on a resource that holds a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the victim’s computer or protect against the gadget from functioning in an appropriate fashion – while likewise putting a ransom note that discusses the need for the sufferers to impact the repayment for the purpose of decrypting the files or recovering the documents system back to the initial problem. In many circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Kryptik.GJWH distribution channels.

In numerous corners of the globe, Win32/Kryptik.GJWH expands by jumps and bounds. However, the ransom notes and tricks of obtaining the ransom money quantity may vary depending upon particular local (local) setups. The ransom notes and techniques of obtaining the ransom quantity might vary depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having found some unlicensed applications allowed on the victim’s device. The sharp then demands the customer to pay the ransom money.

    Faulty statements regarding unlawful material.

    In nations where software piracy is less preferred, this approach is not as effective for the cyber frauds. Additionally, the Win32/Kryptik.GJWH popup alert may incorrectly assert to be stemming from a police institution and will certainly report having situated kid porn or various other prohibited data on the device.

    Win32/Kryptik.GJWH popup alert might wrongly assert to be obtaining from a regulation enforcement establishment as well as will report having located kid pornography or various other prohibited data on the device. The alert will in a similar way contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 3E40DEF9
md5: e04c6af3e4e45e7443c2b0a6b57d7d73
name: E04C6AF3E4E45E7443C2B0A6B57D7D73.mlw
sha1: 1d98279d9e5715076b71e509a31b87009ae8e544
sha256: 95b6940340e2b7e41447b2be025ccdf12d2be4e6c79efac2ba78b0add6673f7f
sha512: 64016a6a4e3f5e125ede5ae29d0ae76d935e88d9cb7ee3ac9b64effec9885a46dbd106a6a3b46b04c53a4c24894e7ede2436c36e1fd6ead42187445dd1b5514f
ssdeep: 3072:+eRZczDzUG1j3yLxj8dGV0YJb/l0ypaYWDsLIlgUXldWosKLm/VFBNPHCI:+e7NGkxwlYJ7lWpTNLm/9NC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x3245 0xa910

Win32/Kryptik.GJWH also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00516fdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.25836
CynetMalicious (score: 100)
ALYacDeepScan:Generic.BrResMon.1.00363A2C
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaTrojan:Win32/Kryptik.45f1395a
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.3e4e45
CyrenW32/Vigorf.G.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GJWH
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderDeepScan:Generic.BrResMon.1.00363A2C
NANO-AntivirusTrojan.Win32.Kryptik.fgsbug
SUPERAntiSpywareTrojan.Agent/Generic
MicroWorld-eScanDeepScan:Generic.BrResMon.1.00363A2C
TencentMalware.Win32.Gencirc.114d4f0f
Ad-AwareDeepScan:Generic.BrResMon.1.00363A2C
SophosMal/Generic-S
ComodoMalware@#1yaunvyef1d7d
BitDefenderThetaGen:NN.ZexaF.34684.ouW@aebQWMbG
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.e04c6af3e4e45e74
EmsisoftDeepScan:Generic.BrResMon.1.00363A2C (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.PSW.Coins.aqj
AviraHEUR/AGEN.1119073
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Predator!ml
ArcabitDeepScan:Generic.BrResMon.1.00363A2C
GDataWin32.Trojan-Ransom.GandCrab.U
TACHYONRansom/W32.GandCrab.244736
AhnLab-V3Win-Trojan/Gandcrab06.Exp
Acronissuspicious
McAfeeTrojan-FPST!E04C6AF3E4E4
MAXmalware (ai score=100)
VBA32BScope.Trojan.Vigorf
MalwarebytesRansom.GandCrab
PandaTrj/GdSda.A
RisingTrojan.Vigorf!8.EAEA (CLOUD)
YandexTrojan.GenAsa!g2qNTikMM6k
IkarusTrojan.Win32.Crypt
FortinetW32/GenKryptik.CJRU!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml

How to remove Win32/Kryptik.GJWH 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.GJWH 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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