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

What is Generic.Ransom.GandCrab.B4D9EDA6 infection?

In this short article you will locate concerning the definition of Generic.Ransom.GandCrab.B4D9EDA6 as well as its negative influence on your computer. Such ransomware are a form of malware that is specified by on the internet scams to demand paying the ransom money by a target.

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In the majority of the cases, Generic.Ransom.GandCrab.B4D9EDA6 ransomware will certainly advise its sufferers to start funds move for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s device.

Generic.Ransom.GandCrab.B4D9EDA6 Summary

These modifications can be as adheres to:

  • 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.

  • Performs some HTTP requests;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the sufferer’s hard drive — so the victim can no longer utilize the information;
  • Preventing routine accessibility 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 Generic.Ransom.GandCrab.B4D9EDA6


One of the most regular networks where Generic.Ransom.GandCrab.B4D9EDA6 Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of customer ending up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or prevent the tool from working in an appropriate manner – while also placing a ransom note that discusses the demand for the victims to impact the payment for the objective of decrypting the records or bring back the data system back to the preliminary condition. In the majority of circumstances, the ransom money note will certainly come up when the customer reboots the PC after the system has already been harmed.

Generic.Ransom.GandCrab.B4D9EDA6 circulation channels.

In various corners of the globe, Generic.Ransom.GandCrab.B4D9EDA6 grows by jumps as well as bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money amount may differ depending upon particular regional (regional) settings. The ransom notes as well as tricks of obtaining the ransom money amount may differ depending on particular regional (regional) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software.

    In certain areas, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the victim’s tool. The sharp then demands the individual to pay the ransom.

    Faulty statements regarding prohibited content.

    In countries where software piracy is less preferred, this technique is not as reliable for the cyber scams. Additionally, the Generic.Ransom.GandCrab.B4D9EDA6 popup alert might incorrectly claim to be deriving from a law enforcement establishment as well as will certainly report having situated child pornography or various other illegal data on the tool.

    Generic.Ransom.GandCrab.B4D9EDA6 popup alert may falsely assert to be obtaining from a regulation enforcement institution and also will report having located youngster porn or other illegal information on the tool. The alert will likewise have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: A38F93E0
md5: 327e36b872ad7c8f5980653436775bcc
name: 327E36B872AD7C8F5980653436775BCC.mlw
sha1: aef5960542aef7541ceae3bb0a486f00a6b3c4d9
sha256: c2ecf000a44b2416906023556c5399fc45120d59820a7b0e09e805f6ad942c18
sha512: 4a1a90877dc3319e1a4422b814962cd30aa06dd564e55dd5a949685d080a722740906b1e9ca7f3d2b84f95be9d7ff828823f0f3539d96695ab0d5a766d0b2dde
ssdeep: 1536:ZZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZ:wd5BJHMqqDL2/Ovvdr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Generic.Ransom.GandCrab.B4D9EDA6 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Generic.Ransom.GandCrab.B4D9EDA6
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee Trojan-FPDG!327E36B872AD
Malwarebytes Ransom.GandCrab
Sangfor Win.Ransomware.Gandcrab-6667060-0
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Generic.Ransom.GandCrab.B4D9EDA6
K7GW Riskware ( 0040eff71 )
Cybereason malicious.872ad7
BitDefenderTheta Gen:NN.ZexaF.34590.eyW@auTsjxoi
Cyren W32/S-7cea76e9!Eldorado
Symantec Ransom.GandCrab
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Gandcrab-6667060-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/Gandcrab.49bf2b93
NANO-Antivirus Trojan.Win32.Encoder.eytbdj
ViRobot Trojan.Win32.GandCrab.71680
Rising Ransom.GandCrab!1.B8D6 (CLOUD)
Ad-Aware Generic.Ransom.GandCrab.B4D9EDA6
Comodo TrojWare.Win32.Ransom.GandCrab.B@7kn2ff
F-Secure Trojan.TR/Dropper.Gen
DrWeb Trojan.Encoder.30802
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_GANDCRAB.SM1
McAfee-GW-Edition BehavesLike.Win32.RansomGandcrab.lh
Sophos Mal/Generic-R + Mal/GandCrab-L
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cabqs
Webroot W32.Malware.Gen
Avira TR/Dropper.Gen
Antiy-AVL HackTool/Win32.Inject
Arcabit Generic.Ransom.GandCrab.B4D9EDA6
SUPERAntiSpyware Ransom.GandCrab/Variant
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan-Ransom.GandCrab.C
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Ransom.R222567
Acronis suspicious
VBA32 BScope.Trojan.Chapak
ALYac Generic.Ransom.GandCrab.B4D9EDA6
MAX malware (ai score=86)
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Filecoder.GandCrab.H
TrendMicro-HouseCall Ransom_GANDCRAB.SM1
Tencent Malware.Win32.Gencirc.10b0bc40
Yandex Trojan.GenAsa!qHIhniD54fs
Ikarus Trojan-Ransom.GandCrab
eGambit Trojan.Generic
Fortinet W32/GandCrab.B!tr.ransom
AVG Win32:RansomX-gen [Ransom]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Ransom.GandCrab.AG

How to remove Generic.Ransom.GandCrab.B4D9EDA6 virus?

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 Generic.Ransom.GandCrab.B4D9EDA6 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 Generic.Ransom.GandCrab.B4D9EDA6 you can always ask me in the comments for getting help.

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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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