BlackBasta.J Ransomware
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 100 % (High) |
| Infected Computers: | 2 |
| First Seen: | June 17, 2024 |
| Last Seen: | November 21, 2025 |
| OS(es) Affected: | Windows |
The detection of BlackBasta.J Ransomware on your system indicates a serious security threat that requires immediate attention. Ransomware is a type of malware that encrypts files on a victim's computer and demands a ransom in exchange for the decryption key. In this report, we will provide an overview of the BlackBasta.J Ransomware threat, its operating methods, symptoms of infection, and steps to remove it from your system.
Table of Contents
What Is BlackBasta.J Ransomware?
BlackBasta.J Ransomware is a type of malware that uses encryption to lock files on a victim's computer, making them inaccessible. The goal of the attackers is to extort money from the victim in exchange for the decryption key. Ransomware attacks can be devastating, resulting in significant financial losses and data breaches. It is essential to understand that paying the ransom does not guarantee that the attackers will provide the decryption key or that the files will be restored.
How BlackBasta.J Ransomware Operates
Ransomware, including BlackBasta.J Ransomware, typically operates by exploiting vulnerabilities in software or using social engineering tactics to trick users into installing the malware. Once installed, the malware scans the system for files to encrypt, using algorithms to lock the files and make them inaccessible. The attackers then demand a ransom, usually in cryptocurrency, in exchange for the decryption key. The malware may also spread to other systems on the network, infecting more devices and causing further damage.
Symptoms of Infection
Common symptoms of BlackBasta.J Ransomware infection include files being encrypted and becoming inaccessible, ransom demands displayed on the screen, and system performance issues. You may also notice that your files have been renamed or that you are unable to access certain directories. In some cases, the malware may also disable system restore points or delete backup files to prevent recovery.
How to Remove BlackBasta.J Ransomware
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malware components.
- Uninstall any suspicious programs or applications that may be related to the BlackBasta.J Ransomware infection.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another full scan with the anti-malware tool to ensure that all malware components have been removed.
Conclusion
Removing BlackBasta.J Ransomware from your system requires careful attention to detail and a thorough understanding of the malware's operating methods. By following the steps outlined in this report, you can help to ensure that your system is clean and free of malware. However, prevention is always the best course of action, and it is essential to take proactive measures to protect your system from future ransomware attacks, including keeping your software up to date, using strong antivirus protection, and being cautious when opening email attachments or clicking on links from unknown sources.
Analysis Report
General information
| Family Name: | BlackBasta.J Ransomware |
|---|---|
| Packers: | UPX! |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
63d87b023e81a4d31d086d96b6027827
SHA1:
3d6f4bd28401074ef1528fb09deeb06221ce1949
SHA256:
439D881F9D60F4A4A95C900D4581CFE8C9767F5F4D8098B745FBDEDB226823D3
File Size:
342.53 KB, 342528 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 security information
- File has been packed
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
Show More
- File is Native application (NOT .NET application)
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- HighEntropy
- No Version Info
- packed
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 2,065 |
|---|---|
| Potentially Malicious Blocks: | 105 |
| Whitelisted Blocks: | 1,950 |
| Unknown Blocks: | 10 |
Visual Map
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0 - Probable Safe Block
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? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- BlackBasta.J
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\#howtorecover.txt | Generic Write,Read Attributes |
| c:\$winreagent\#howtorecover.txt | Generic Write,Read Attributes |
| c:\bootmgr | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bootmgr | Synchronize,Write Attributes |
| c:\bootmgr.[reopening2025@gmail.com].lsjx | Synchronize,Write Data |
| c:\bootnxt | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bootnxt.[reopening2025@gmail.com].lsjx | Synchronize,Write Data |
| c:\documents and settings\#howtorecover.txt | Generic Write,Read Attributes |
| c:\dumpstack.log.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\pagefile.sys | Generic Read,Write Data,Write Attributes,Write extended,Append data |
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| c:\perflogs\#howtorecover.txt | Generic Write,Read Attributes |
| c:\program files (x86)\#howtorecover.txt | Generic Write,Read Attributes |
| c:\program files\#howtorecover.txt | Generic Write,Read Attributes |
| c:\programdata\#howtorecover.txt | Generic Write,Read Attributes |
| c:\recovery\#howtorecover.txt | Generic Write,Read Attributes |
| c:\sandbox_local\#howtorecover.txt | Generic Write,Read Attributes |
| c:\sandbox_stage\#howtorecover.txt | Generic Write,Read Attributes |
| c:\startup_test\#howtorecover.txt | Generic Write,Read Attributes |
| c:\swapfile.sys | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\#howtorecover.txt | Generic Write,Read Attributes |
| c:\users\user\#howtorecover.txt | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\1e4a4e56a090ea8ec6b59f6ebb230948.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\desktop\#howtorecover.txt | Generic Write,Read Attributes |
| c:\users\user\documents\#howtorecover.txt | Generic Write,Read Attributes |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKCU\software\proton::public | JNV��ꎀ��|c�ܗkZ��q��.�܌�vx | RegNtPreCreateKey |
| HKCU\software\proton::full | ��4c�źZ���� |4}�㚏�Cz�zZ�vI�ϐR�2�X�H���A���:�Á�c� CMU��X@�M�Ŭz}^=R�vcN�4�J�� �s�GD.��� :��5�<�{b��c | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries | `$�!�:i�� +00�� � Gs]XM��� "�2� � FX D�' :D��exA-� �LG=�A��J� �C� | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey |
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| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries | `$�!�:i�� +00�� � Gs]XM��� "�2� � FX D�' :D��exA-� �LG=�A��J� �C� | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Anti Debug |
|
| User Data Access |
|
| Process Shell Execute |
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| Syscall Use |
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61 additional items are not displayed above. |
| Process Terminate |
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| Service Control |
|
Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
(NULL) C:\Windows\System32\cmd.exe /c vssadmin Delete Shadows /All /Quiet
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(NULL) C:\Windows\System32\cmd.exe /c bcdedit /set {default} recoveryenabled No
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(NULL) C:\Windows\System32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
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(NULL) C:\Windows\System32\cmd.exe /c wmic SHADOWCOPY /nointeractive
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WriteConsole: 'bcdedit' is not
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WriteConsole: 'bcdedit' is not
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