Threat Database Ransomware GandCrab.ABD Ransomware

GandCrab.ABD Ransomware

By CagedTech in Ransomware

Threat Scorecard

Popularity Rank: 15,923
Threat Level: 100 % (High)
Infected Computers: 3
First Seen: April 20, 2021
Last Seen: June 15, 2026
OS(es) Affected: Windows

The detection of GandCrab.ABD Ransomware on your system indicates a serious security threat that requires immediate attention. Ransomware is a type of malware designed to encrypt and hold hostage the files on your computer, demanding payment in exchange for the decryption key. In this report, we will provide an overview of the GandCrab.ABD Ransomware threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is GandCrab.ABD Ransomware?

GandCrab.ABD Ransomware is a malicious software that uses encryption to lock your files and prevent access to them. The name itself suggests it is related to ransomware activities, but without specific details, it's crucial to understand the general behavior of such threats. Ransomware typically spreads through phishing emails, exploited vulnerabilities, or infected software downloads. Once inside your system, it starts encrypting files, often adding a specific extension to the encrypted files and leaving a ransom note with payment instructions.

How GandCrab.ABD Ransomware Operates

Ransomware like GandCrab.ABD Ransomware operates by first gaining access to your computer, usually through deceptive means. It then scans your system for target files, which can include documents, images, videos, and any other file type considered valuable. The malware encrypts these files using complex algorithms, making them inaccessible to the user. The attackers leave behind a ransom note, explaining how to pay the ransom in exchange for the decryption key. It's essential to note that paying the ransom does not guarantee file recovery and only finances criminal activities.

Symptoms of Infection

Symptoms of a GandCrab.ABD Ransomware infection can include the inability to access your files, the appearance of ransom notes or messages demanding payment, and unusual file extensions added to your documents and media. Your system may also exhibit slow performance or frequent crashes due to the malware's activity. Recognizing these symptoms early is crucial for minimizing damage and taking prompt action to secure your system and data.

How to Remove GandCrab.ABD Ransomware

Removing GandCrab.ABD Ransomware requires careful steps to ensure the malware is completely eradicated from your system. Follow these steps:

  1. Boot your computer in Safe Mode with Networking to limit the malware's ability to spread or cause further damage.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove the ransomware.
  3. Uninstall any suspicious programs that may have been installed without your knowledge, as they could be related to the malware.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the malware might have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

It's also advisable to back up your data regularly to prevent loss in case of future attacks.

Conclusion

The GandCrab.ABD Ransomware poses a significant threat to your digital security and data integrity. Understanding its operation and taking swift, informed action is key to mitigating its impact. By following the removal steps outlined above and maintaining vigilance through regular backups and updates, you can protect your system from similar threats in the future. Remember, prevention and prompt action are the best defenses against ransomware attacks.

Analysis Report

General information

Family Name: GandCrab.ABD Ransomware
Signature status: No Signature

Known Samples

MD5: c9af15a4c211bb72495831f4f1254832
SHA1: 039c92244c7000d39d3a0a75fda6f2d8c8ba79d9
SHA256: DAD366A63F9BACC0E50E20EF1BC606D264605927916C7BBEE78D72705243C186
File Size: 65.54 KB, 65536 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have resources
  • File doesn't have security information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • 2+ executable sections
  • No Version Info
  • x86

Block Information

Total Blocks: 220
Potentially Malicious Blocks: 92
Whitelisted Blocks: 128
Unknown Blocks: 0

Visual Map

0 0 0 0 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x 0 0 x x 0 1 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
c:\windows\syswow64\gdokah32.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\windows\syswow64\gdokah32.exe Generic Write,Read Attributes
c:\windows\syswow64\hgikfqnl.dll Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\software\classes\wow6432node\clsid\{79feacff-ffce-815e-a900-316290b5b738}\inprocserver32:: C:\WINDOWS\SysWow64\Hgikfqnl.dll RegNtPreCreateKey
HKLM\software\classes\wow6432node\clsid\{79feacff-ffce-815e-a900-316290b5b738}\inprocserver32::threadingmodel Apartment RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\windows\currentversion\shellserviceobjectdelayload::web event logger {79FEACFF-FFCE-815E-A900-316290B5B738} RegNtPreCreateKey

Windows API Usage

Category API
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • WinExec

Shell Command Execution

C:\WINDOWS\system32\Gdokah32.exe

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