Ransom:Win32/GandCrab.A

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

What is Ransom:Win32/GandCrab.A infection?

In this short article you will certainly locate concerning the definition of Ransom:Win32/GandCrab.A and also its adverse impact on your computer system. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Ransom:Win32/GandCrab.A ransomware will certainly advise its victims to start funds move for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the victim’s device.

Ransom:Win32/GandCrab.A Summary

These modifications 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Ciphering the files found on the target’s disk drive — so the target can no longer utilize the data;
  • Preventing normal access to the target’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.763E6326
a.dnspod.comGeneric.Ransom.GandCrab.763E6326
nomoreransom.bitGeneric.Ransom.GandCrab.763E6326
bleepingcomputer.bitGeneric.Ransom.GandCrab.763E6326
emsisoft.bitGeneric.Ransom.GandCrab.763E6326
esetnod32.bitGeneric.Ransom.GandCrab.763E6326
gandcrab.bitGeneric.Ransom.GandCrab.763E6326

Ransom:Win32/GandCrab.A

One of the most regular channels through which Ransom:Win32/GandCrab.A Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a source that hosts a harmful software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or stop the gadget from operating in an appropriate way – while likewise putting a ransom money note that mentions the demand for the targets to impact the payment for the purpose of decrypting the records or recovering the file system back to the initial condition. In the majority of instances, the ransom note will come up when the client restarts the COMPUTER after the system has actually currently been harmed.

Ransom:Win32/GandCrab.A distribution channels.

In various edges of the globe, Ransom:Win32/GandCrab.A grows by leaps and bounds. However, the ransom notes and techniques of obtaining the ransom quantity might differ depending on particular neighborhood (local) setups. The ransom notes and techniques of extorting the ransom quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having discovered some unlicensed applications allowed on the target’s device. The sharp then requires the customer to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In nations where software piracy is less prominent, this approach is not as efficient for the cyber scams. Conversely, the Ransom:Win32/GandCrab.A popup alert might falsely declare to be stemming from a police organization and also will report having located youngster porn or various other illegal data on the gadget.

    Ransom:Win32/GandCrab.A popup alert may incorrectly assert to be acquiring from a legislation enforcement institution and will certainly report having situated child pornography or various other prohibited information on the device. The alert will likewise have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: C8FB412E
md5: 4fddccbe3c74b502c3aec435730643ad
name: 4FDDCCBE3C74B502C3AEC435730643AD.mlw
sha1: cbe136c5035b34d6fdd3d5599a9f8e74e9af35c5
sha256: 4e7417707b4abd2d0bb5c8119861409f4b28d270f0b2bda22950ec75f0674856
sha512: b86c4842945d36cde0a219d925f6b21502b0dea661e95eb747cb06d91bc9b6ac8ce29ded6a9e103c90584e3d22debbeb793edc5b61be1a725b4ed0749c1c9434
ssdeep: 1536:3555555555555pDf3X3pDz3txh3KcirBMqqU+2bbbAV2/S2xr3IdE8mne0Avu5r:x/Vr9arBMqqDL2/xr3IdE8we0Avu5r+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/GandCrab.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
MicroWorld-eScanGeneric.Ransom.GandCrab.763E6326
FireEyeGeneric.mg.4fddccbe3c74b502
CAT-QuickHealTrojan.Mauvaise.SL1
Qihoo-360Win32/Ransom.GandCrab.HxQBhbAA
McAfeeGenericRXDY-EJ!4FDDCCBE3C74
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Ransomware.Gandcrab-6667060-0
K7AntiVirusTrojan ( 0053d33d1 )
BitDefenderGeneric.Ransom.GandCrab.763E6326
K7GWTrojan ( 0053d33d1 )
Cybereasonmalicious.e3c74b
BitDefenderThetaGen:NN.ZexaF.34590.fyW@aOEZx5gi
CyrenW32/GandCrab.AR.gen!Eldorado
SymantecRansom.GandCrab!g4
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.GandCrypt.b
AlibabaRansom:Win32/GandCrab.77197f93
NANO-AntivirusTrojan.Win32.GandCrypt.exlrep
AegisLabTrojan.Win32.GandCrypt.4!c
TencentWin32.Ransomware.Gandcrab.Auto
Ad-AwareGeneric.Ransom.GandCrab.763E6326
EmsisoftGeneric.Ransom.GandCrab.763E6326 (B)
ComodoTrojWare.Win32.Ransom.GandCrab.B@7kn2ff
F-SecureTrojan.TR/Crypt.XPACK.Gen3
ZillyaTrojan.Filecoder.Win32.6989
TrendMicroRansom_GANDCRAB.SMALY-4
McAfee-GW-EditionBehavesLike.Win32.Generic.mm
SophosMal/Generic-R + Troj/GandCrab-A
IkarusTrojan-Ransom.GandCrab
JiangminTrojan.GandCrypt.c
AviraTR/Crypt.XPACK.Gen3
Antiy-AVLTrojan[Ransom]/Win32.GandCrypt
MicrosoftRansom:Win32/GandCrab.A
ArcabitGeneric.Ransom.GandCrab.763E6326
ZoneAlarmTrojan-Ransom.Win32.GandCrypt.b
GDataWin32.Trojan-Ransom.GandCrab.C
AhnLab-V3Trojan/Win32.Agentb.R219506
Acronissuspicious
VBA32Trojan-Ransom.GandCrypt
ALYacGeneric.Ransom.GandCrab.763E6326
MAXmalware (ai score=100)
MalwarebytesRansom.GandCrab
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Filecoder.GandCrab.H
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-4
RisingRansom.GandCrab!8.F355 (TFE:dGZlOgMSmoO1Q6N8PQ)
YandexTrojan.GenAsa!PQWJX9MqkkE
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/GandCrab.A!tr.ransom
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Ransom:Win32/GandCrab.A 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 Ransom:Win32/GandCrab.A 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 Ransom:Win32/GandCrab.A 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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