Win32/Kryptik.HEFZ

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

What is Win32/Kryptik.HEFZ infection?

In this short article you will certainly find regarding the meaning of Win32/Kryptik.HEFZ and also its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom money by a sufferer.

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Most of the instances, Win32/Kryptik.HEFZ virus will advise its victims to start funds move for the purpose of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.HEFZ 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.
  • Presents an Authenticode digital signature;
  • 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.

  • 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the target’s disk drive — so the sufferer can no longer utilize 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.

Win32/Kryptik.HEFZ

The most regular networks through which Win32/Kryptik.HEFZ Ransomware Trojans are injected 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 repercussion of customer ending up on a source that organizes a harmful software;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or stop the gadget from operating in an appropriate fashion – while also putting a ransom money note that discusses the need for the victims to impact the payment for the purpose of decrypting the papers or restoring the documents system back to the preliminary condition. In the majority of instances, the ransom note will certainly turn up when the client reboots the PC after the system has already been harmed.

Win32/Kryptik.HEFZ circulation channels.

In numerous edges of the world, Win32/Kryptik.HEFZ grows by jumps and also bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom amount might vary relying on particular local (regional) settings. The ransom money notes and also methods of obtaining the ransom money quantity may differ depending on certain neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans usually wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the individual to pay the ransom.

    Faulty statements concerning unlawful content.

    In countries where software program piracy is much less prominent, this approach is not as reliable for the cyber frauds. Alternatively, the Win32/Kryptik.HEFZ popup alert may falsely claim to be deriving from a police institution and also will certainly report having situated youngster pornography or other illegal data on the device.

    Win32/Kryptik.HEFZ popup alert may falsely declare to be acquiring from a law enforcement institution and will certainly report having located child pornography or various other unlawful data on the device. The alert will similarly contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 89E33D9E
md5: 3208a14c9bad334e331febe00f1e9734
name: 3208A14C9BAD334E331FEBE00F1E9734.mlw
sha1: 809fbd450e1a484a5af4ec05c345b2a7072723e7
sha256: 85f391ecd480711401f6da2f371156f995dd5cff7580f37791e79e62b91fd9eb
sha512: b1460826b0a15e9cf752f001426ae6c9fffe96d01d7ab2802d0843b2c51f3dc1590c9c1f80e26ed9a751e7ac59f584fde4cb937841d5b4ea51a1883302da4029
ssdeep: 1536:EDduXw95rlz86ViKI+lx/ly3hkwFgs2/J/e84If:EAAnl4Kicbly3mEgsq/e84E
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.HEFZ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0056949b1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.32029
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.WSLocker.S15564067
ALYac Trojan.Ransom.Filecoder
Cylance Unsafe
Zillya Trojan.DelShad.Win32.544
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Wasted.64fc56c5
K7GW Trojan ( 0056949b1 )
Cybereason malicious.c9bad3
Cyren W32/Trojan.ABAD-9373
Symantec Ransom.WastedLocker
ESET-NOD32 a variant of Win32/Kryptik.HEFZ
APEX Malicious
Avast Win32:DangerousSig [Trj]
Kaspersky Trojan-Ransom.Win32.Wasted.e
BitDefender Gen:Variant.Fugrafa.57609
NANO-Antivirus Trojan.Win32.Wasted.islrsn
ViRobot Trojan.Win32.S.Ransom.868752
MicroWorld-eScan Gen:Variant.Fugrafa.57609
Tencent Win32.Trojan.Falsesign.Lfpw
Ad-Aware Gen:Variant.Fugrafa.57609
Sophos Mal/Generic-R + Mal/EncPk-APV
BitDefenderTheta Gen:NN.ZexaF.34722.1qX@aC9B6Lbi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.WASTEDLOCKER.THGOFBO
McAfee-GW-Edition Trojan-Cobalt
FireEye Generic.mg.3208a14c9bad334e
Emsisoft Gen:Variant.Fugrafa.57609 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.DelShad.aah
Avira TR/Crypt.Agent.frqnq
Microsoft Ransom:Win32/GanWaste.A!MTB
AegisLab Hacktool.Win32.Krap.lKMc
GData Gen:Variant.Fugrafa.57609
AhnLab-V3 Trojan/Win32.Kryptik.C4151129
Acronis suspicious
McAfee Trojan-Cobalt
MAX malware (ai score=100)
VBA32 BScope.Trojan.DelShad
Malwarebytes Ransom.BinADS
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.WASTEDLOCKER.THGOFBO
Rising Trojan.Kryptik!1.C460 (CLASSIC)
Yandex Trojan.Kryptik!shfvMRFLS/Q
Ikarus Trojan.Win32.Crypt
Fortinet W32/Dridex.IZC!tr
AVG Win32:DangerousSig [Trj]
Paloalto generic.ml

How to remove Win32/Kryptik.HEFZ 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.HEFZ 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.HEFZ 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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