Win32/Kryptik.GHOB

What is Win32/Kryptik.GHOB infection?

In this post you will locate regarding the meaning of Win32/Kryptik.GHOB as well as its unfavorable effect on your computer system. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom money by a victim.

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Most of the situations, Win32/Kryptik.GHOB infection will instruct its victims to initiate funds transfer for the purpose of counteracting the changes that the Trojan infection has actually presented to the target’s device.

Win32/Kryptik.GHOB Summary

These alterations 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.
  • 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.

  • 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;
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • 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 papers found on the victim’s hard disk — so the sufferer can no more utilize the data;
  • 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.GHOB

The most common channels where Win32/Kryptik.GHOB Ransomware are injected are:

  • By ways of phishing emails;
  • As an effect of user winding up on a source that holds a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or avoid the gadget from working in a correct way – while additionally putting a ransom money note that mentions the demand for the targets to effect the repayment for the objective of decrypting the documents or restoring the documents system back to the initial condition. In a lot of circumstances, the ransom money note will turn up when the customer reboots the COMPUTER after the system has actually already been damaged.

Win32/Kryptik.GHOB circulation channels.

In numerous corners of the globe, Win32/Kryptik.GHOB expands by leaps and bounds. Nevertheless, the ransom notes as well as tricks of extorting the ransom money quantity may differ depending upon specific local (regional) setups. The ransom notes and techniques of extorting the ransom money amount may vary depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications enabled on the victim’s gadget. The alert then requires the user to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software piracy is much less preferred, this technique is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.GHOB popup alert may falsely declare to be deriving from a law enforcement institution and also will certainly report having situated kid porn or various other unlawful data on the device.

    Win32/Kryptik.GHOB popup alert may incorrectly assert to be acquiring from a law enforcement establishment and also will certainly report having situated child pornography or various other unlawful information on the device. The alert will in a similar way contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 1CFEAF17
md5: 2010fbd6fbdb2e8a01c88b9b2dd4694e
name: 2010FBD6FBDB2E8A01C88B9B2DD4694E.mlw
sha1: 591b172fe75bde3b4150f2cc5ca9c87edf3e0e20
sha256: 814673902f3ff90c8b1ec922ecdde1b9733a3aefeb3f7d2a51bb04171eccd4cf
sha512: ad2c8e1e420883139f4c7e2cba8010067098e6d76507b5d02080a55040759b5f812c86c153ad4fcb5f8806993e9611e05d96deb04b5f5848b868a3b69ae5f72a
ssdeep: 6144:z31bPlGggdIR9QGmu4hbDWIqCis/Jz53EwBrDfAcVL:zlb/GcHm92IqLs/JREwBr/VL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Win32/Kryptik.GHOB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ5
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Trojan.GandCrypt.Win32.329
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 005340041 )
K7AntiVirus Trojan ( 005340041 )
Cyren W32/S-468a6143!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GHOB
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
ClamAV Win.Packer.Crypter-6539596-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Encoder.fdssts
ViRobot Trojan.Win32.GandCrab.Gen.A
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10c97ef0
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos Mal/Generic-R + Mal/Agent-AUL
Comodo TrojWare.Win32.Quant.GL@7onsti
BitDefenderTheta Gen:NN.ZexaF.34628.oyX@aWd258k
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.2010fbd6fbdb2e8a
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.ef
Avira HEUR/AGEN.1103299
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/GandCrab.AP
Arcabit Trojan.Ransom.GandCrab.Gen.2
AegisLab Trojan.Win32.GandCrypt.j!c
GData Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee Trojan-FPSE!2010FBD6FBDB
MAX malware (ai score=100)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Trojan.Kryptik!1.B2DD (CLOUD)
Ikarus Trojan-Ransom.GandCrab
MaxSecure Ransomeware.GandCrypt.JZ
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:MalwareX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCEpsA

How to remove Win32/Kryptik.GHOB 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

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.GHOB 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.GHOB 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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