Win32/Kryptik.HFOJ

Written by Robert Bailey

What is Win32/Kryptik.HFOJ infection?

In this article you will find concerning the interpretation of Win32/Kryptik.HFOJ and also its adverse impact on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom money by a victim.

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In the majority of the situations, Win32/Kryptik.HFOJ ransomware will advise its targets to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.HFOJ Summary

These modifications can be as adheres to:

  • 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.
  • 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.

  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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 files situated on the target’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Trojan-Ransom.Win32.Crypmod.zfq
a.tomx.xyz Trojan-Ransom.Win32.Crypmod.zfq
kitemimbe.com Trojan-Ransom.Win32.Crypmod.zfq

Win32/Kryptik.HFOJ

The most regular channels where Win32/Kryptik.HFOJ Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a source that hosts a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or prevent the tool from working in a correct manner – while likewise positioning a ransom note that states the demand for the targets to effect the payment for the objective of decrypting the documents or recovering the file system back to the preliminary condition. In most instances, the ransom money note will come up when the client restarts the PC after the system has actually already been harmed.

Win32/Kryptik.HFOJ circulation channels.

In numerous corners of the world, Win32/Kryptik.HFOJ grows by jumps and bounds. However, the ransom money notes and tricks of extorting the ransom money amount might vary depending upon particular regional (regional) settings. The ransom money notes and methods of obtaining the ransom money quantity may vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In certain locations, the Trojans frequently wrongfully report having discovered some unlicensed applications made it possible for on the target’s tool. The sharp then demands the user to pay the ransom.

    Faulty declarations concerning prohibited content.

    In nations where software piracy is less preferred, this technique is not as efficient for the cyber scams. Conversely, the Win32/Kryptik.HFOJ popup alert may incorrectly assert to be deriving from a police institution and will report having situated child pornography or other unlawful information on the gadget.

    Win32/Kryptik.HFOJ popup alert might wrongly claim to be obtaining from a regulation enforcement organization as well as will certainly report having situated child porn or other prohibited data on the tool. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 16073870
md5: 15e64b56e22efeb046e945d24aea979b
name: upload_file
sha1: bc31276a703691dcf0482f059b85ade88909b723
sha256: c1fde2f07a7cbec68540a388ec0e5c0e001e62b0995734ab807cba3942909c09
sha512: 280b102646e3769c825da6cd71b3aaf2725d3680befacc9714dd6a86edf334e396938465bed159d67b4b84b7f8b1df2b20492ad44a37202464a52199651e9cdf
ssdeep: 12288:pANwRo+mv8QD4+0V16h5+HVrotdD1p1PZsFNvCcyutTBE2TYGF55:pAT8QE+ks5+HVEtDDmNvZ9i20GP5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: wotsuper
FileDescription: wotsuper 2.1 Installation
FileVersion: 2.1
Comments:
CompanyName: wotsuper
Translation: 0x0409 0x04e4

Win32/Kryptik.HFOJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
ClamAV Win.Dropper.Vidar-9182565-0
FireEye Generic.mg.15e64b56e22efeb0
CrowdStrike win/malicious_confidence_60% (W)
BitDefender Trojan.GenericKDZ.69514
K7GW Trojan ( 0056c87f1 )
K7AntiVirus Trojan ( 0056c87f1 )
Invincea heuristic
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky Trojan.Win32.Chapak.eumv
MicroWorld-eScan Trojan.GenericKD.34381431
Rising Trojan.Generic@ML.86 (RDML:gDZUvy9eX4UGiDBvBBf2kQ)
Ad-Aware Trojan.GenericKD.34381431
F-Secure Trojan.TR/AD.VidarStealer.IH
Sophos Mal/Generic-S
Ikarus Trojan-PSW.Agent
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Avira TR/AD.VidarStealer.IW
Fortinet W32/Agent.OKD!tr
Arcabit Trojan.Generic.D10F8A
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
ZoneAlarm Trojan.Win32.Chapak.eumv
Microsoft Trojan:Win32/Wacatac.C!ml
AhnLab-V3 Malware/Win32.Generic.C3733562
BitDefenderTheta Gen:NN.ZexaF.34152.FqW@aOV89SeG
MAX malware (ai score=83)
VBA32 Malware-Cryptor.Limpopo
Malwarebytes Trojan.Downloader
ESET-NOD32 a variant of Win32/Kryptik.HFOJ
eGambit Unsafe.AI_Score_99%
GData Win32.Trojan-Stealer.PSWSteal.K835T0
Webroot W32.Trojan.Gen
AVG FileRepMalware
Cybereason malicious.a70369
Qihoo-360 Generic/HEUR/QVM05.1.4EF7.Malware.Gen

How to remove Win32/Kryptik.HFOJ 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.HFOJ 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.HFOJ 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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