Win32/Kryptik.FNJH

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Kryptik.FNJH infection?

In this article you will discover concerning the meaning of Win32/Kryptik.FNJH and its negative influence on your computer. Such ransomware are a form of malware that is clarified by on-line scams to require paying the ransom by a victim.

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Most of the situations, Win32/Kryptik.FNJH infection will certainly advise its targets to launch funds move for the function of counteracting the amendments that the Trojan infection has presented to the target’s gadget.

Win32/Kryptik.FNJH Summary

These alterations can be as complies with:

  • 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.
  • Enumerates user accounts on the system;
  • 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.
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • 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.
  • Attempts to access Bitcoin/ALTCoin wallets;
  • 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 located on the victim’s hard disk — so the target can no more use the data;
  • Preventing routine access to the target’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.FNJH

One of the most normal channels through which Win32/Kryptik.FNJH Ransomware are injected are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a source that organizes a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or avoid the device from functioning in a correct manner – while additionally putting a ransom note that discusses the demand for the targets to impact the payment for the purpose of decrypting the files or bring back the documents system back to the first condition. In the majority of instances, the ransom money note will turn up when the customer restarts the PC after the system has actually currently been damaged.

Win32/Kryptik.FNJH circulation networks.

In different edges of the globe, Win32/Kryptik.FNJH expands by jumps and also bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money quantity might differ depending on specific local (local) settings. The ransom notes and techniques of extorting the ransom amount may differ depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

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

    Faulty statements about prohibited web content.

    In countries where software application piracy is less preferred, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.FNJH popup alert might incorrectly assert to be stemming from a police institution and also will certainly report having situated kid porn or other unlawful information on the gadget.

    Win32/Kryptik.FNJH popup alert may wrongly assert to be obtaining from a legislation enforcement organization as well as will certainly report having located youngster porn or various other illegal information on the gadget. The alert will similarly consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 655ECE2E
md5: c3d0712b89d2c011a5ba92326ef1f43d
name: C3D0712B89D2C011A5BA92326EF1F43D.mlw
sha1: bec39642eb58a0c5dd8b7ac35f98b71626c81b07
sha256: 1e95257e75f59863293f961faf2ff853446c4edbc3c5d5f3743ac798e0fdc976
sha512: 17ddf3737dcca16dded6bc2db8311f29b445c419d78183c1a28b4b97cc7fe3264136c6bd8a9d1e78ac005be98f8494f5bc31477d66c863959fe96d343a829e51
ssdeep: 6144:X31Z/vl8s3agNizlAGLqcTutu3ERSVz7JU2Rllgdi/f:nRAsqqUqccRRSV/PlEi/f
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FNJH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Spora.Gen.1
FireEye Generic.mg.c3d0712b89d2c011
CAT-QuickHeal Ransom.Exxroute.A3
McAfee Ransomware-FMJ!C3D0712B89D2
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005137001 )
BitDefender Trojan.Ransom.Spora.Gen.1
K7GW Trojan ( 005137001 )
Cybereason malicious.b89d2c
Baidu Win32.Trojan.Kryptik.bjq
Cyren W32/S-2d73e857!Eldorado
Symantec Ransom.Cerber
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Cerber-5970200-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/generic.ali2000010
NANO-Antivirus Trojan.Win32.Filecoder.eljjsq
ViRobot Trojan.Win32.Z.Cerber.281572
AegisLab Trojan.Win32.Zerber.j!c
Rising Ransom.Cerber!8.3058 (CLOUD)
Ad-Aware Trojan.Ransom.Spora.Gen.1
Emsisoft Trojan.Ransom.Spora.Gen.1 (B)
Comodo TrojWare.Win32.Crypt.C@7vajd0
F-Secure Heuristic.HEUR/AGEN.1120888
DrWeb Trojan.Encoder.5994
Zillya Trojan.Kryptik.Win32.1045726
TrendMicro Ransom_CERBER.F117AN
McAfee-GW-Edition BehavesLike.Win32.Ransomware.dc
Sophos ML/PE-A + Troj/Cerber-ADF
Ikarus Trojan-Ransom.Cerber
GData Trojan.Ransom.Spora.Gen.1
Jiangmin Trojan.Generic.arzbz
Avira HEUR/AGEN.1120888
Antiy-AVL Trojan/Win32.TSGeneric
Arcabit Trojan.Ransom.Spora.Gen.1
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Ransom:Win32/Cerber
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Cerber.R194239
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34608.rmX@a4mrZCgi
ALYac Trojan.Ransom.Spora.Gen.1
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Malwarebytes Cerber.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.FNJH
TrendMicro-HouseCall Ransom_CERBER.F117AN
Tencent Malware.Win32.Gencirc.10b6f01c
Yandex Trojan.GenAsa!WdxiDCCMXjI
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_67%
Fortinet W32/GenKryptik.APXF!tr
Webroot Trojan.Dropper.Gen
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Ransom.04b

How to remove Win32/Kryptik.FNJH 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.FNJH 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.FNJH 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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