Win32/Kryptik.GJIS

Written by Robert Bailey

What is Win32/Kryptik.GJIS infection?

In this article you will certainly discover regarding the interpretation of Win32/Kryptik.GJIS as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by on-line scams to require paying the ransom money by a target.

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Most of the cases, Win32/Kryptik.GJIS ransomware will instruct its victims to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s gadget.

Win32/Kryptik.GJIS 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.
  • Tries to unhook or modify Windows functions monitored by Cuckoo;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s disk drive — so the victim can no longer use the information;
  • Preventing normal access 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.GJIS

One of the most normal channels through which Win32/Kryptik.GJIS Ransomware Trojans are infused 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 a consequence of customer winding up on a source that holds a harmful software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or stop the device from working in a correct manner – while additionally putting a ransom money note that discusses the need for the victims to impact the payment for the function of decrypting the files or bring back the file system back to the first problem. In many circumstances, the ransom note will certainly turn up when the client reboots the PC after the system has actually currently been damaged.

Win32/Kryptik.GJIS distribution networks.

In various edges of the globe, Win32/Kryptik.GJIS expands by jumps and bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom amount may vary depending on specific regional (local) setups. The ransom notes as well as methods of extorting the ransom money amount may vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the victim’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations about prohibited web content.

    In countries where software piracy is much less preferred, this approach is not as effective for the cyber frauds. Additionally, the Win32/Kryptik.GJIS popup alert might falsely assert to be originating from a police organization as well as will certainly report having located youngster porn or other unlawful data on the device.

    Win32/Kryptik.GJIS popup alert might falsely declare to be acquiring from a legislation enforcement establishment and also will report having situated youngster pornography or various other unlawful information on the tool. The alert will in a similar way have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 265B2E58
md5: a148620e6d3d1e42975cd8fa993ea41c
name: A148620E6D3D1E42975CD8FA993EA41C.mlw
sha1: 5db082f949b0e0fdc76a30c4eafd12086d447232
sha256: 96a995c5c24414e0f5aa153009ac9b2854a1a16b62ac6ccd5ada407c3c405408
sha512: 1295d04174bad2f83873878c6b542c1cfeb3405a3a2b19fd086e98901b146c32eaddf99227a671e24696aa683338c15355021552cdd0b0944021c6065c8a70ff
ssdeep: 12288:wROipTrdSFG3VEU5UCj03HEXTCl0mofWC7XPun:teTrdS4lE2UN8ClOh
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

internalname: Sable Commutator
fileversion: 55.82.27.883
legaltrademarks: Rondo Debussy
productname: Hades Prophylaxis
filedescription: Repercussion Atoner
originalfilename: Shelviest Grubbing
Translation: 0x0265 0x0000

Win32/Kryptik.GJIS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005390c61 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.131058
Sangfor Ransom.Win32.Blocker.ldgd
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/Blocker.29fade66
K7GW Trojan ( 005390c61 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GJIS
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.ldgd
NANO-Antivirus Trojan.Win32.Blocker.fjpupq
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
Tencent Malware.Win32.Gencirc.114d2357
Sophos Mal/Generic-S
Comodo Malware@#3axw917cqq6to
BitDefenderTheta Gen:NN.ZexaF.34686.QuW@aq9qBfoi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Worm.jh
FireEye Generic.mg.a148620e6d3d1e42
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Blocker.itw
Avira HEUR/AGEN.1112616
Microsoft Trojan:Win32/Occamy.C96
AegisLab Trojan.Multi.Generic.4!c
AhnLab-V3 Malware/Win32.Generic.C2637264
Acronis suspicious
McAfee GenericRXGL-RL!A148620E6D3D
VBA32 BScope.TrojanRansom.Blocker
Panda Trj/GdSda.A
Rising Trojan.Azden!8.F0E3 (CLOUD)
Yandex Trojan.GenAsa!zZZf0V/KKbU
Ikarus Trojan.Win32.Krypt
Fortinet W32/Kryptik.GJIS!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GJIS 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.GJIS 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.GJIS 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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