Win32/Kryptik.GJEV

What is Win32/Kryptik.GJEV infection?

In this article you will certainly discover concerning the interpretation of Win32/Kryptik.GJEV and also its adverse impact on your computer. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

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In the majority of the cases, Win32/Kryptik.GJEV ransomware will instruct its sufferers to launch funds transfer for the objective of counteracting the changes that the Trojan infection has presented to the sufferer’s device.

Win32/Kryptik.GJEV 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.
  • 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;
  • Appends a known encryptJJS ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard disk drive — so the sufferer can no more use the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Kryptik.GJEV

One of the most normal channels through which Win32/Kryptik.GJEV are infused are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a resource that hosts a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or stop the gadget from working in a correct fashion – while additionally positioning a ransom money note that states the need for the sufferers to effect the payment for the function of decrypting the files or recovering the documents system back to the first condition. In most instances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has actually already been harmed.

Win32/Kryptik.GJEV distribution networks.

In different corners of the globe, Win32/Kryptik.GJEV expands by jumps as well as bounds. However, the ransom notes as well as tricks of extorting the ransom amount might differ depending on certain regional (local) settings. The ransom money notes as well as methods of extorting the ransom quantity may differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having spotted some unlicensed applications enabled on the sufferer’s device. The sharp after that requires the individual to pay the ransom.

    Faulty statements about unlawful content.

    In nations where software piracy is less preferred, this method is not as effective for the cyber fraudulences. Alternatively, the Win32/Kryptik.GJEV popup alert may falsely assert to be originating from a police organization as well as will certainly report having located kid pornography or other unlawful data on the device.

    Win32/Kryptik.GJEV popup alert might wrongly declare to be acquiring from a legislation enforcement organization and also will report having located child porn or various other illegal data on the tool. The alert will similarly include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 2BB4CD77
md5: 81d3ba031c12242f313768b71b797890
name: 81D3BA031C12242F313768B71B797890.mlw
sha1: e9b9a6101a0a98e47391a1d82d2cc6fc39027d84
sha256: 7e354bb065d906da5826459bf54e1081b4cd35c141353d2ef6e994ad30c2f141
sha512: 0a1c8923203dbb110076a651db656d92de569667e0d3575f50722e6499a970d4ee16c4eeccd7ae078ba35a5c8e4248b6ae3853d31bcc6099a8cb850387e5f446
ssdeep: 1536:Rb3PnslobquQmA23/poY7LD1pKfifZvpGGTZzeVE3UHaLw+NlEHo4cefimUK7:BuofRAcNnD1dDeVE3UHZ0EI49f
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GJEV also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Stealer.23680
CAT-QuickHeal Trojan.Chapak.ZZ5
McAfee Packed-FJI!81D3BA031C12
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.156679
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.31c122
Cyren W32/Panda.A.gen!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.GJEV
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Any/UnSafe.a
NANO-Antivirus Trojan.Win32.Kryptik.ffywab
MicroWorld-eScan Trojan.Mint.Jamg.C
Tencent Malware.Win32.Gencirc.10b3bb24
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Crypt.CM@7rddns
BitDefenderTheta Gen:NN.ZexaF.34628.kuW@aSbYGTcG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMG2
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.81d3ba031c12242f
Emsisoft Trojan.Mint.Jamg.C (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Adware.Gen
Avira HEUR/AGEN.1138680
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan[Ransom]/Win32.GandCrypt
Arcabit Trojan.Mint.Jamg.C
AegisLab Trojan.Multi.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Mint.Jamg.C
AhnLab-V3 Win-Trojan/Gandcrab04.Exp
Acronis suspicious
VBA32 BScope.Backdoor.Androm
MAX malware (ai score=100)
Malwarebytes Generic.Malware/Suspicious
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMG2
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Yandex Trojan.Agent!Y4lLIhqcMFc
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.DWIE!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 HEUR/QVM10.2.BBC2.Malware.Gen

How to remove Win32/Kryptik.GJEV 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.GJEV 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.GJEV 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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