Win32/Filecoder.GandCrab.H

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

What is Win32/Filecoder.GandCrab.H infection?

In this post you will discover concerning the definition of Win32/Filecoder.GandCrab.H and also its negative effect on your computer system. Such ransomware are a kind of malware that is clarified by online fraudulences to require paying the ransom money by a sufferer.

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In the majority of the situations, Win32/Filecoder.GandCrab.H ransomware will advise its victims to start funds move for the function of counteracting the amendments that the Trojan infection has actually presented to the target’s gadget.

Win32/Filecoder.GandCrab.H 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.
  • 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.
  • Performs some HTTP requests;
  • 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;
  • Ciphering the records located on the target’s hard drive — so the target can no longer utilize the data;
  • Preventing regular 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
ipv4bot.whatismyipaddress.comGeneric.Ransom.GandCrab.F2B24552
dns1.soprodns.ruGeneric.Ransom.GandCrab.F2B24552
nomoreransom.coinGeneric.Ransom.GandCrab.F2B24552
nomoreransom.bitGeneric.Ransom.GandCrab.F2B24552
dns2.soprodns.ruGeneric.Ransom.GandCrab.F2B24552
gandcrab.bitGeneric.Ransom.GandCrab.F2B24552

Win32/Filecoder.GandCrab.H

One of the most regular channels whereby Win32/Filecoder.GandCrab.H Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a source that organizes a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s PC or protect against the device from working in a correct way – while likewise positioning a ransom money note that points out the need for the sufferers to impact the payment for the function of decrypting the files or bring back the data system back to the preliminary condition. In a lot of instances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually currently been damaged.

Win32/Filecoder.GandCrab.H distribution networks.

In different edges of the globe, Win32/Filecoder.GandCrab.H grows by leaps and bounds. Nonetheless, the ransom notes as well as tricks of obtaining the ransom amount might vary depending on certain neighborhood (local) settings. The ransom notes and methods of extorting the ransom quantity may vary depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the sufferer’s device. The alert then demands the individual to pay the ransom money.

    Faulty statements concerning unlawful content.

    In countries where software piracy is less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/Filecoder.GandCrab.H popup alert may incorrectly claim to be stemming from a police organization and also will report having situated youngster pornography or various other illegal information on the gadget.

    Win32/Filecoder.GandCrab.H popup alert might falsely claim to be obtaining from a regulation enforcement establishment and will certainly report having situated child porn or other prohibited data on the gadget. The alert will in a similar way contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 9DD08EDF
md5: cb6a5b50ec7fd1ba674eb6329d05b8a9
name: CB6A5B50EC7FD1BA674EB6329D05B8A9.mlw
sha1: 1564e053c503bdf70c9acebfe54b381df6281ae7
sha256: 0615dfbf359f66de69f65e53afea0af1f7cad8a6165c54d5b60cd2d1caae948f
sha512: 454cf0b7f5b501caef3cac8ec519481f62603fd19ed6f455438b24698e20c2ff0e51da4cea85939b088b14a9c1e6b922108f58f98b6278eaf7b76e133f1a7ff8
ssdeep: 1536:2zzzzzzzzV9rXounV98hbHnAXMqqUM2Lkvd6:0BounVyFHCMqqMLkvd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.GandCrab.H also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGeneric.Ransom.GandCrab.F2B24552
CAT-QuickHealTrojan.Mauvaise.SL1
ALYacGeneric.Ransom.GandCrab.F2B24552
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Ransomware.Gandcrab-6667060-0
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 00526c7b1 )
K7AntiVirusTrojan ( 0053d33d1 )
SymantecRansom.GandCrab!g4
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Ransomware.Gandcrab-6502432-0
AlibabaRansom:Win32/GandCrypt.eba17145
NANO-AntivirusTrojan.Win32.Inject.eyyizx
Ad-AwareGeneric.Ransom.GandCrab.F2B24552
EmsisoftGeneric.Ransom.GandCrab.F2B24552 (B)
ComodoTrojWare.Win32.Ransom.GandCrab.B@7kn2ff
DrWebTrojan.Encoder.31290
ZillyaTrojan.Filecoder.Win32.8828
TrendMicroRansom.Win32.GANDCRAB.SMIU
McAfee-GW-EditionBehavesLike.Win32.RansomGandcrab.kt
SophosMal/Generic-R + Troj/GandCrab-A
JiangminTrojan.Generic.bzhzc
MaxSecureTrojan-Ransom.GandCrab.C
AviraTR/Dropper.Gen
Antiy-AVLTrojan[Ransom]/Win32.GandCrypt.c
ArcabitGeneric.Ransom.GandCrab.F2B24552
SUPERAntiSpywareRansom.GandCrab/Variant
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.FileCoder.R221681
Acronissuspicious
McAfeeRansom-Gandcrab!CB6A5B50EC7F
VBA32BScope.Trojan.Chapak
MalwarebytesRansom.GandCrab
ESET-NOD32a variant of Win32/Filecoder.GandCrab.H
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMIU
TencentMalware.Win32.Gencirc.10b092cf
YandexTrojan.Filecoder!JhW3UJAL0Wk
SentinelOneStatic AI – Malicious PE
eGambitTrojan.Generic
FortinetW32/GandCrab.B!tr.ransom
PandaTrj/Genetic.gen
Qihoo-360Win32/Trojan.Ransom.GandCrab.AF

How to remove Win32/Filecoder.GandCrab.H ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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/Filecoder.GandCrab.H 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/Filecoder.GandCrab.H 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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