Win32/Kryptik.GISJ

Written by Robert Bailey

What is Win32/Kryptik.GISJ infection?

In this article you will certainly find regarding the definition of Win32/Kryptik.GISJ and also its unfavorable impact on your computer. Such ransomware are a form of malware that is clarified by online scams to demand paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Kryptik.GISJ virus will advise its targets to initiate funds move for the function of reducing the effects of the amendments that the Trojan infection has introduced to the target’s gadget.

Win32/Kryptik.GISJ 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.
  • Unconventionial language used in binary resources: Danish;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s disk drive — so the victim can no longer utilize the information;
  • Preventing routine 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.

Win32/Kryptik.GISJ

The most normal channels whereby Win32/Kryptik.GISJ are infused are:

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

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or stop the gadget from working in an appropriate fashion – while likewise putting a ransom note that discusses the demand for the victims to effect the settlement for the function of decrypting the documents or restoring the documents system back to the first condition. In the majority of instances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Kryptik.GISJ distribution channels.

In different corners of the world, Win32/Kryptik.GISJ expands by jumps and bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom money quantity may differ depending upon certain neighborhood (local) settings. The ransom notes and also tricks of extorting the ransom quantity may vary depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software program.

    In certain locations, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the sufferer’s device. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations about illegal web content.

    In nations where software program piracy is less prominent, this method is not as efficient for the cyber scams. Alternatively, the Win32/Kryptik.GISJ popup alert might falsely declare to be stemming from a law enforcement organization and also will certainly report having situated youngster pornography or various other unlawful information on the device.

    Win32/Kryptik.GISJ popup alert may incorrectly declare to be acquiring from a law enforcement institution as well as will report having located kid porn or other prohibited data on the device. The alert will likewise include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: B1134866
md5: 1e984836878dce93ccacdab580738201
name: 1E984836878DCE93CCACDAB580738201.mlw
sha1: 6cadd4237b886272b43a21099eb372c54ddd0269
sha256: 0c8af4a5a30896c0b0d0fd09fdfa058e591a4b09f2c2876244ead36d94a82985
sha512: c112359002ef32b1a68ad1718ac495cc18720f61398396b682a021c118ad75273601813d90c6539603e8f46605d212b7e3b88573e104bfb61f3039445aa3bdb8
ssdeep: 3072:RSxryJ5jPVtOPmmMy0I8QoLhjBN6JDirGNGpKztpo+QN9ds9gRtTJFVT759Y:RAyDPaPmTyd8Bta+aeKz7Dgd3JF
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 2.13.5.66

Win32/Kryptik.GISJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.NasmiresLTT.Trojan
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.23950
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.Ransom.GandCrab
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1456742
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 00516fdf1 )
K7AntiVirus Trojan ( 00516fdf1 )
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GISJ
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.addsub-6963063-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKDZ.45376
NANO-Antivirus Trojan.Win32.Stealer.fffduz
ViRobot Trojan.Win32.R.Agent.221184.AX
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.GenericKDZ.45376
Tencent Win32.Trojan.Generic.Ebrk
Ad-Aware Trojan.GenericKDZ.45376
Sophos Mal/Generic-S + Mal/GandCrab-B
Comodo TrojWare.Win32.Ransom.Gandcrab.GI@8023p6
BitDefenderTheta Gen:NN.ZexaF.34628.nu0@a4@UQzoG
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_EMOTET.SMB1
McAfee-GW-Edition BehavesLike.Win32.Trojan.dc
FireEye Generic.mg.1e984836878dce93
Emsisoft Trojan.GenericKDZ.45376 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Chapak.lu
Avira HEUR/AGEN.1121566
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/GandCrab.AP
AegisLab Trojan.Win32.GandCrypt.j!c
GData Win32.Trojan-Ransom.GandCrab.N
AhnLab-V3 Win-Trojan/Gandcrab04.Exp
Acronis suspicious
McAfee GenericRXGI-WU!1E984836878D
MAX malware (ai score=100)
VBA32 BScope.Trojan.Vigorf
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall TSPY_EMOTET.SMB1
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Yandex Trojan.GenAsa!TufBGGNkmOg
Ikarus Trojan-Dropper.Win32.Danabot
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GIRO!tr
AVG Win32:Malware-gen
Qihoo-360 HEUR/QVM10.2.7AC5.Malware.Gen

How to remove Win32/Kryptik.GISJ virus?

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.GISJ 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.GISJ 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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