Win32/Kryptik.HAVL

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

What is Win32/Kryptik.HAVL infection?

In this short article you will certainly locate regarding the meaning of Win32/Kryptik.HAVL and also its negative impact on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom by a target.

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In the majority of the cases, Win32/Kryptik.HAVL virus will advise its targets to initiate funds move for the objective of counteracting the changes that the Trojan infection has presented to the sufferer’s tool.

Win32/Kryptik.HAVL Summary

These alterations 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.
  • A process created a hidden window;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Gaelic (Scottish);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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!
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the sufferer’s hard drive — so the victim can no longer utilize the information;
  • Preventing regular 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.
Similar behavior
Related domains
jewelnetspacecon2.comRansom.Nemty
ip-api.comRansom.Nemty

Win32/Kryptik.HAVL

The most regular channels whereby Win32/Kryptik.HAVL Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of customer ending up on a resource that organizes a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or protect against the gadget from functioning in a correct way – while additionally positioning a ransom money note that points out the demand for the sufferers to effect the payment for the purpose of decrypting the records or bring back the documents system back to the first condition. In the majority of circumstances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.HAVL circulation channels.

In various corners of the world, Win32/Kryptik.HAVL expands by jumps and also bounds. However, the ransom money notes as well as tricks of obtaining the ransom money amount might differ relying on particular regional (regional) setups. The ransom notes as well as methods of extorting the ransom money amount may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the target’s tool. The alert then requires the user to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software application piracy is much less preferred, this approach is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.HAVL popup alert may wrongly claim to be deriving from a police organization as well as will certainly report having located youngster pornography or other unlawful data on the gadget.

    Win32/Kryptik.HAVL popup alert might incorrectly assert to be acquiring from a regulation enforcement organization and also will report having located youngster pornography or various other prohibited information on the tool. The alert will similarly consist of a need for the individual to pay the ransom.

Technical details

File Info:

crc32: B69362AB
md5: 7ca529f90582d1277ce4dbfb9818f1b3
name: 5.exe
sha1: 40c5170090e063402ad5a64cd5863f5be7cc26e5
sha256: beb784afe15b60a01f6379da116a8852ccbc87a5d2e664c9c766fd5d4650d55e
sha512: 78e58fd8b19011313e943df82a45148bcdc4828cfaa4aa59f654dcbbff04ae56caabe47b46a69186b43f941e8e1fd09af997faba3be5819cbc10fdc4a7aedc4d
ssdeep: 12288:xo0zFRGCXogpF1AFrtX6sSziZO7/AMkRHRYsHW0:OMVeoziW/gRu
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2019, tail
InternalServiceName: sfsgvsdg.exe
FileVersion: 5.3.4

Win32/Kryptik.HAVL also known as:

GridinSoftTrojan.Ransom.Gen
DrWebTrojan.Siggen9.8767
MicroWorld-eScanTrojan.GenericKD.42339495
SangforMalware
BitDefenderTrojan.GenericKD.42339495
CrowdStrikewin/malicious_confidence_100% (W)
Invinceaheuristic
BitDefenderThetaGen:NN.ZexaF.34084.BC0@a4CXbxbG
SymantecRansom.Nemty
ESET-NOD32a variant of Win32/Kryptik.HAVL
APEXMalicious
Paloaltogeneric.ml
KasperskyUDS:DangerousObject.Multi.Generic
RisingTrojan.Kryptik!1.C0F7 (CLOUD)
Ad-AwareTrojan.GenericKD.42339495
EmsisoftTrojan.GenericKD.42339495 (B)
McAfee-GW-EditionBehavesLike.Win32.Generic.gc
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.7ca529f90582d127
SophosMal/Generic-S
IkarusWin32.Outbreak
eGambitUnsafe.AI_Score_89%
FortinetW32/Kryptik.HAVL!tr
Endgamemalicious (high confidence)
ZoneAlarmUDS:DangerousObject.Multi.Generic
MicrosoftTrojan:Win32/Dynamer!rfn
Acronissuspicious
McAfeeArtemis!7CA529F90582
MAXmalware (ai score=85)
SentinelOneDFI – Malicious PE
GDataWin32.Trojan-Stealer.Vidar.NVNXWD
WebrootW32.Trojan.Gen
AVGFileRepMalware
Cybereasonmalicious.090e06
AvastFileRepMalware

How to remove Win32/Kryptik.HAVL 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.HAVL 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.HAVL 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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