Trojan.Lumma.BC
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.
| Popularity Rank: | 20,405 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 5 |
| First Seen: | December 9, 2025 |
| Last Seen: | June 11, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Lumma.BC on your system indicates a potential security threat that requires immediate attention. This type of malware can compromise your computer's integrity and put your personal data at risk. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Trojan.Lumma.BC?
Trojan.Lumma.BC is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. Trojans can be used to gain unauthorized access to a computer system, allowing attackers to steal sensitive information, install additional malware, or disrupt system operations. The name "Trojan.Lumma.BC" suggests that it is a specific variant of Trojan malware, but the exact characteristics and behaviors of this threat are not well-defined without additional context.
How Trojan.Lumma.BC Operates
Generally, Trojans like Trojan.Lumma.BC operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can create backdoors for remote access, allowing attackers to execute commands, steal data, or install additional malware. Trojans can also be used to disrupt system operations, causing instability or crashes. The specific mechanisms used by Trojan.Lumma.BC are not detailed here, but it is crucial to recognize that all Trojans pose significant risks to computer security and user privacy.
Symptoms of Infection
Identifying a Trojan infection can be challenging, as these malware types often hide their activities. However, some common symptoms may indicate the presence of a Trojan like Trojan.Lumma.BC. These include unexpected changes to system settings, unfamiliar programs or icons, slow system performance, frequent crashes, or unusual network activity. If you suspect that your system is infected, it is vital to take immediate action to mitigate potential damage.
- Unexplained changes in system behavior or performance
- Apearance of unfamiliar programs or system tray icons
- Frequent system crashes or instability
- Unusual network activity that you did not initiate
How to Remove Trojan.Lumma.BC
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time of the suspected infection.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the Trojan may have altered.
- Reboot your computer and perform another full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Lumma.BC from your system is crucial to preventing further damage and protecting your personal data. By following the steps outlined above and maintaining vigilant security practices, you can help ensure the integrity of your computer and safeguard against future malware infections. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with being cautious when downloading and installing programs, can significantly reduce the risk of malware infections.
Analysis Report
General information
| Family Name: | Trojan.Lumma.BC |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
956837603b5661f29d07d565428bd4db
SHA1:
ccba50f7c8b452a11fa54cdc27a7bc942cbfbff8
SHA256:
D5EE404E7DD6E5718BA5778DD9949F7FB8650CD925243876B3F1763C390CD8F6
File Size:
4.41 MB, 4407808 bytes
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MD5:
6d7ea52343fe45f7f483e11803a9dc2e
SHA1:
589d188fcee8a8edb83193f1990aedb283febd74
SHA256:
6E24F905CF60E8B3C8796AAB669046B90428004A41596500B618EF966AC4C516
File Size:
1.49 MB, 1486336 bytes
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MD5:
589b2d085f47de0eeaea9faf74c73f2f
SHA1:
d9e11fc78183caa125c3d19aacd531eb792ef868
SHA256:
25A4E51CEF027FFFEDD2045E97B2F68AB8A608F8DAE145C7A69AF40F06BFA3AB
File Size:
5.26 MB, 5260839 bytes
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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 resources
- File doesn't have security information
- File has TLS information
- File is 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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- File is Native application (NOT .NET application)
- 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
- fptable
- HighEntropy
- No Version Info
- x64
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: | 345 |
|---|---|
| Potentially Malicious Blocks: | 70 |
| Whitelisted Blocks: | 184 |
| Unknown Blocks: | 91 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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:\users\user\downloads\inj.log | Generic Write,Read Attributes |
| c:\users\user\downloads\loader.log | Generic Write,Read Attributes |
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 |
|---|---|
| Syscall Use |
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| Process Manipulation Evasion |
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