Win32/Kryptik.GZZH

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.

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.xyz Trojan.Ransom.Filecoder
a.tomx.xyz Trojan.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: 2A31CDF5md5: 33b1f895b3905d4591207565ebfefef4name: mtx777.exesha1: 95dd25f7e36c18e90f5920d151fb808368fe3e12sha256: f6d53e15abbb9743eabf99eb208843494ba8092d426e253ff96bf00b6271c068sha512: 0102f1ec855b09a20064a2a1983e7347b0a65b5440a08ab1d377429fb033bb984c67e50d460951054901c023716b62f2aa1ab149493c9dc134782abb7fa87bbbssdeep: 12288:JwtYpqXFBJyTxqXE3CqW/cmccRBJA1W58y0OSnAnL3DbFR0b2+mjxDybwd0YnAj:JtpmyTxq0SqWk1+Bia/0OSuoalObWhAtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2016 All rights reserved. JetSmarterFileVersion: 5.4.4.6CompanyName: JetSmarterPrivateBuild: 5.4.4.6Comments: Offenders Packet Attacked DegradesProductName: EffectivelyCloneableProductVersion: 5.4.4.6FileDescription: Offenders Packet Attacked DegradesOriginalFilename: EffectivelyCloneableTranslation: 0x0409 0x04b0

Win32/Kryptik.GZZH also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.32903968
McAfee Artemis!33B1F895B390
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0055e4741 )
BitDefender Trojan.GenericKD.32903968
K7GW Trojan ( 0055e4741 )
Arcabit Trojan.Generic.D1F61320
Invincea heuristic
ESET-NOD32 a variant of Win32/Kryptik.GZZH
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-PSW.MSIL.Azorult.ab
Alibaba TrojanPSW:MSIL/Azorult.362e9c30
Rising [email protected] (RDML:GfUy42a22J6CimEjA82oQA)
Ad-Aware Trojan.GenericKD.32903968
Emsisoft Trojan.GenericKD.32903968 (B)
F-Secure Trojan.TR/PSW.Azorult.dfarv
DrWeb Trojan.Encoder.30495
TrendMicro Adware.Win32.YoutubeDownloaderGuru.USXVPA420
McAfee-GW-Edition BehavesLike.Win32.Rootkit.jc
FireEye Trojan.GenericKD.32903968
Sophos Mal/Generic-S
Jiangmin Trojan.PSW.MSIL.por
Avira TR/PSW.Azorult.dfarv
MAX malware (ai score=86)
Endgame malicious (high confidence)
Microsoft Trojan:Win32/Occamy.C
ZoneAlarm Trojan-PSW.MSIL.Azorult.ab
ALYac Trojan.Ransom.Filecoder
Malwarebytes Ransom.Aurora
Panda Trj/CI.A
TrendMicro-HouseCall Adware.Win32.YoutubeDownloaderGuru.USXVPA420
Ikarus Trojan.SuspectCRC
eGambit Unsafe.AI_Score_99%
GData Trojan.GenericKD.32903968
BitDefenderTheta Gen:NN.ZexaF.33558.Pu0@aWBFQvoi
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Trojan.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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Win32/Kryptik.GZZH you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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