Win32/Kryptik.HAVR

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

What is Win32/Kryptik.HAVR infection?

In this short article you will certainly discover about the meaning of Win32/Kryptik.HAVR and its adverse effect on your computer. Such ransomware are a form of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

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Most of the situations, Win32/Kryptik.HAVR virus will certainly instruct its victims to initiate funds move for the function of neutralizing the changes that the Trojan infection has introduced to the sufferer’s device.

Win32/Kryptik.HAVR 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • 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: 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.
  • Deletes its original binary from disk;
  • Executed a process and injected code into it, probably while unpacking;
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s disk drive — so the sufferer can no more use the information;
  • Preventing normal accessibility 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.HAVR

The most typical networks through which Win32/Kryptik.HAVR are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a harmful software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s PC or stop the gadget from operating in a correct fashion – while likewise placing a ransom money note that discusses the need for the victims to effect the payment for the purpose of decrypting the papers or bring back the file system back to the first problem. In the majority of instances, the ransom note will turn up when the customer restarts the PC after the system has actually already been damaged.

Win32/Kryptik.HAVR distribution channels.

In various corners of the world, Win32/Kryptik.HAVR grows by jumps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom amount may differ depending upon certain neighborhood (regional) settings. The ransom money notes and also tricks of obtaining the ransom quantity might differ depending on specific local (regional) settings.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The alert after that demands the user to pay the ransom.

    Faulty statements about illegal material.

    In countries where software program piracy is much less popular, this method is not as effective for the cyber frauds. Alternatively, the Win32/Kryptik.HAVR popup alert might wrongly claim to be originating from a law enforcement institution and also will report having situated child porn or other illegal data on the tool.

    Win32/Kryptik.HAVR popup alert may falsely declare to be deriving from a legislation enforcement institution and also will report having situated youngster pornography or various other unlawful information on the device. The alert will likewise have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 68EB9461
md5: 71d460e2eb74901d610221105290e01a
name: 1002.exe
sha1: b249855b612f133e46256b8c3d3c26425b5d2638
sha256: 0bc2c1ac8a746819cef49df2747fd7fe5d890d2146be14a4d657df807e8dfd0d
sha512: 08a206d1ceaaaf16c63b51e1fc5072bb3607ce0af97c441d2958e682f1379ef40e12b66d2ebb1c138475578dd15d705415f98bb64777e384cf136be4f4d93bfa
ssdeep: 6144:BL7T+vM/DLUdcg+1ew3V6TP3f5EAS3VWcfi1Cz15SLYLuXq6LynX1S/W0T4n9x6:B3KvonUV+1ecV6j3f5fS3VWc15SLyqq
type: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

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

Win32/Kryptik.HAVR also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGen:Variant.Midie.70334
FireEyeGeneric.mg.71d460e2eb74901d
McAfeeRDN/Ransom
ALYacGen:Variant.Midie.70334
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 0055feed1 )
BitDefenderGen:Variant.Midie.70334
K7GWTrojan ( 0055feed1 )
Cybereasonmalicious.b612f1
TrendMicroTrojan.Win32.WACATAC.USXVPB520
F-ProtW32/Kryptik.BBQ.gen!Eldorado
APEXMalicious
AvastWin32:PWSX-gen [Trj]
GDataGen:Variant.Midie.70334
KasperskyTrojan-Ransom.Win32.Foreign.okeo
AlibabaTrojan:Win32/Foreign.1ae6c1c1
NANO-AntivirusTrojan.Win32.Kryptik.gyzcsb
AegisLabTrojan.Multi.Generic.4!c
RisingBackdoor.Tofsee!8.1E9 (TFE:dGZlOgamSwHqxu4CjA)
Endgamemalicious (high confidence)
SophosMal/Generic-S
F-SecureTrojan.TR/Crypt.Agent.ywpbp
DrWebTrojan.Siggen9.8910
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.PUPXFQ.fc
Trapminemalicious.moderate.ml.score
EmsisoftGen:Variant.Midie.70334 (B)
IkarusTrojan.Win32.Crypt
CyrenW32/Trojan.ZKEQ-3437
MaxSecureTrojan.Malware.74815519.susgen
AviraTR/Crypt.Agent.ywpbp
MAXmalware (ai score=100)
ArcabitTrojan.Midie.D112BE
ZoneAlarmTrojan-Ransom.Win32.Foreign.okeo
MicrosoftTrojan:Win32/Glupteba.GM!MTB
AhnLab-V3Win-Trojan/MalPe37.Suspicious.X2050
Acronissuspicious
VBA32Trojan.Wacatac
Ad-AwareGen:Variant.Midie.70334
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.HAVR
TrendMicro-HouseCallTrojan.Win32.WACATAC.USXVPB520
TencentWin32.Trojan.Foreign.Ahyi
SentinelOneDFI – Malicious PE
FortinetPossibleThreat.MU
WebrootW32.Trojan.Gen
AVGWin32:PWSX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Trojan.Ransom.214

How to remove Win32/Kryptik.HAVR 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.HAVR 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.HAVR 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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