Win32/Kryptik.GZZH

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

What is Win32/Kryptik.GZZH infection?

In this post you will find concerning the definition of Win32/Kryptik.GZZH and also its negative effect on your computer system. Such ransomware are a kind 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.GZZH virus will advise its sufferers to launch funds move for the function of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Kryptik.GZZH Summary

These adjustments 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.
  • 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing routine access 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.xyzTrojan.Ransom.Filecoder
a.tomx.xyzTrojan.Ransom.Filecoder

Win32/Kryptik.GZZH

One of the most typical networks where Win32/Kryptik.GZZH Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that holds a harmful software application;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s PC or prevent the device from functioning in a proper fashion – while also positioning a ransom money note that states the demand for the targets to effect the repayment for the function of decrypting the records or recovering the data system back to the first problem. In a lot of circumstances, the ransom note will come up when the client restarts the PC after the system has currently been damaged.

Win32/Kryptik.GZZH distribution networks.

In various corners of the globe, Win32/Kryptik.GZZH grows by jumps and also bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity may vary depending on specific neighborhood (regional) setups. The ransom notes as well as tricks of obtaining the ransom quantity may vary depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain areas, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the victim’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty declarations about unlawful material.

    In nations where software application piracy is much less popular, this method is not as effective for the cyber frauds. Alternatively, the Win32/Kryptik.GZZH popup alert may incorrectly assert to be stemming from a law enforcement institution as well as will report having situated kid porn or other illegal data on the device.

    Win32/Kryptik.GZZH popup alert might wrongly assert to be obtaining from a law enforcement establishment and also will report having located youngster pornography or various other prohibited information on the gadget. The alert will likewise contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 2A31CDF5
md5: 33b1f895b3905d4591207565ebfefef4
name: mtx777.exe
sha1: 95dd25f7e36c18e90f5920d151fb808368fe3e12
sha256: f6d53e15abbb9743eabf99eb208843494ba8092d426e253ff96bf00b6271c068
sha512: 0102f1ec855b09a20064a2a1983e7347b0a65b5440a08ab1d377429fb033bb984c67e50d460951054901c023716b62f2aa1ab149493c9dc134782abb7fa87bbb
ssdeep: 12288:JwtYpqXFBJyTxqXE3CqW/cmccRBJA1W58y0OSnAnL3DbFR0b2+mjxDybwd0YnAj:JtpmyTxq0SqWk1+Bia/0OSuoalObWhA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2016 All rights reserved. JetSmarter
FileVersion: 5.4.4.6
CompanyName: JetSmarter
PrivateBuild: 5.4.4.6
Comments: Offenders Packet Attacked Degrades
ProductName: EffectivelyCloneable
ProductVersion: 5.4.4.6
FileDescription: Offenders Packet Attacked Degrades
OriginalFilename: EffectivelyCloneable
Translation: 0x0409 0x04b0

Win32/Kryptik.GZZH also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.32903968
McAfeeArtemis!33B1F895B390
VIPRETrojan.Win32.Generic!BT
SangforMalware
K7AntiVirusTrojan ( 0055e4741 )
BitDefenderTrojan.GenericKD.32903968
K7GWTrojan ( 0055e4741 )
ArcabitTrojan.Generic.D1F61320
Invinceaheuristic
ESET-NOD32a variant of Win32/Kryptik.GZZH
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan-PSW.MSIL.Azorult.ab
AlibabaTrojanPSW:MSIL/Azorult.362e9c30
RisingTrojan.Generic@ML.88 (RDML:GfUy42a22J6CimEjA82oQA)
Ad-AwareTrojan.GenericKD.32903968
EmsisoftTrojan.GenericKD.32903968 (B)
F-SecureTrojan.TR/PSW.Azorult.dfarv
DrWebTrojan.Encoder.30495
TrendMicroAdware.Win32.YoutubeDownloaderGuru.USXVPA420
McAfee-GW-EditionBehavesLike.Win32.Rootkit.jc
FireEyeTrojan.GenericKD.32903968
SophosMal/Generic-S
JiangminTrojan.PSW.MSIL.por
AviraTR/PSW.Azorult.dfarv
MAXmalware (ai score=86)
Endgamemalicious (high confidence)
MicrosoftTrojan:Win32/Occamy.C
ZoneAlarmTrojan-PSW.MSIL.Azorult.ab
ALYacTrojan.Ransom.Filecoder
MalwarebytesRansom.Aurora
PandaTrj/CI.A
TrendMicro-HouseCallAdware.Win32.YoutubeDownloaderGuru.USXVPA420
IkarusTrojan.SuspectCRC
eGambitUnsafe.AI_Score_99%
GDataTrojan.GenericKD.32903968
BitDefenderThetaGen:NN.ZexaF.33558.Pu0@aWBFQvoi
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_90% (W)
Qihoo-360Trojan.Generic

How to remove Win32/Kryptik.GZZH ransomware?

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 install-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.GZZH 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.GZZH 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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