Win32/Kryptik.GGAC

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

What is Win32/Kryptik.GGAC infection?

In this short article you will certainly find about the definition of Win32/Kryptik.GGAC and also its adverse influence on your computer. Such ransomware are a type of malware that is clarified by on-line fraudulences to require paying the ransom money by a target.

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In the majority of the situations, Win32/Kryptik.GGAC ransomware will certainly instruct its sufferers to launch funds move for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s tool.

Win32/Kryptik.GGAC 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.
  • 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
  • Attempts to identify installed AV products by installation directory;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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 records situated on the sufferer’s hard drive — so the victim can no longer make use of the data;
  • 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.

Win32/Kryptik.GGAC

The most common channels where Win32/Kryptik.GGAC Trojans are injected are:

  • By means of phishing emails;
  • As an effect of customer winding up on a resource that hosts a malicious software program;

As quickly as the Trojan is successfully infused, it will either cipher the information on the target’s computer or protect against the device from operating in a correct way – while also positioning a ransom money note that discusses the requirement for the sufferers to effect the payment for the function of decrypting the papers or bring back the documents system back to the first problem. In a lot of instances, the ransom money note will show up when the client restarts the PC after the system has actually already been harmed.

Win32/Kryptik.GGAC distribution channels.

In different edges of the globe, Win32/Kryptik.GGAC expands by jumps as well as bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom quantity might differ depending on particular regional (regional) setups. The ransom money notes as well as tricks of extorting the ransom quantity might vary depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software.

    In certain areas, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s tool. The alert then requires the customer to pay the ransom money.

    Faulty declarations about prohibited material.

    In countries where software program piracy is less preferred, this technique is not as reliable for the cyber scams. Additionally, the Win32/Kryptik.GGAC popup alert may incorrectly claim to be deriving from a law enforcement institution and also will certainly report having located youngster pornography or various other prohibited information on the device.

    Win32/Kryptik.GGAC popup alert may falsely assert to be deriving from a legislation enforcement organization and also will report having situated child porn or other illegal information on the gadget. The alert will in a similar way contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 9990913E
md5: 10d51ccc65516ccbd10c56fb7c36f0bd
name: 10D51CCC65516CCBD10C56FB7C36F0BD.mlw
sha1: bf5c3525101a4309655ca039c4debdf9e1b84716
sha256: 890c35404195868bb6efee7c42c57ca3edb47b858a241d05850e4a96c0de2d4a
sha512: e7c2e4d8fbac7df96ccc8ce736d0ad52280d1f88762e78f88fdb3cd074acc65d8da2a2d6e13748583d1126edc707ced8cfd4d0be0efb88a749106bd1769357d0
ssdeep: 6144:hmmdJJZ7Zvs7RaEZuRNwphDUQUBQ+Nle2bU4outQ7:DdHZ7IER8qy4cmou6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GGAC also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 003e58dd1 )
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.Chapak.Win32.3516
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 003e58dd1 )
Cybereason malicious.c65516
Cyren W32/S-aaa6709d!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GGAC
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Emotet-6542266-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Chapak.fatafv
ViRobot Trojan.Win32.GandCrab.Gen.A
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10c980ce
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos Mal/Generic-R + Mal/Agent-AUL
Comodo TrojWare.Win32.Ransom.Crusis.A@7me98z
F-Secure Heuristic.HEUR/AGEN.1126869
BitDefenderTheta Gen:NN.ZexaF.34670.ruX@aWqYkpj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dh
FireEye Generic.mg.10d51ccc65516ccb
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Chapak.hh
Avira HEUR/AGEN.1126869
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Trojan:Win32/GandCrab.KDV!MTB
Arcabit Trojan.Ransom.GandCrab.Gen.2
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee GenericRXFA-WI!10D51CCC6551
MAX malware (ai score=99)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack.GS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Downloader.Quant!8.E909 (CLOUD)
Yandex Trojan.Crusis!uzQwKZvTC5w
Ikarus Trojan-Ransom.GandCrab
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.DQHN!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCEpsA

How to remove Win32/Kryptik.GGAC 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.GGAC 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Kryptik.GGAC 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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