Trojan.MSIL.Lumma.J
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: | 80 % (High) |
| Infected Computers: | 5 |
| First Seen: | December 18, 2024 |
| Last Seen: | April 11, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Lumma.J on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operational characteristics, symptoms of infection, and a step-by-step guide on how to remove it from your computer.
Table of Contents
What Is Trojan.MSIL.Lumma.J?
Trojan.MSIL.Lumma.J is a type of malware that can compromise the security and integrity of your computer system. The name suggests it is a Trojan-type threat, which typically disguises itself as legitimate software to gain unauthorized access to a computer. Trojans can be used to steal sensitive information, install additional malware, or provide a backdoor for remote access by an attacker.
How Trojan.MSIL.Lumma.J Operates
Trojan.MSIL.Lumma.J, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading and executing malicious files from the internet, opening malicious email attachments, or visiting compromised websites. Once installed, it can perform a variety of malicious activities, depending on its design and the intentions of its creators. This can include data theft, spyware activities, or the installation of additional malware.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely, depending on the specific actions the malware is designed to perform. Common indicators of a Trojan infection include unexpected changes to computer settings, unusual network activity, slowed system performance, and the appearance of unwanted programs or files. In some cases, the infection may not exhibit noticeable symptoms, making it difficult to detect without the use of security software.
How to Remove Trojan.MSIL.Lumma.J
- Enter Safe Mode with Networking to prevent the malware from interfering with the removal process. This mode allows you to use the internet to download removal tools while limiting the ability of the malware to operate.
- Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the threat.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only uninstall programs you are certain are not needed.
- Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
- After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all components of the malware have been removed.
Conclusion
The removal of Trojan.MSIL.Lumma.J requires careful and immediate action to prevent further damage to your computer and to protect your personal data. By following the steps outlined in this report and maintaining good security practices, such as regularly updating your operating system and security software, using strong antivirus programs, and being cautious when downloading and installing software from the internet, you can significantly reduce the risk of future infections. Remember, prevention and vigilance are key to protecting your digital security.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Lumma.J |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
99138122c12efbb499e6b76bd91e107f
SHA1:
286786b0708bf08e0d192374276f6b791170b5e8
SHA256:
A61525F9B5B24572111616AC596CCDE037EC91FB8225C21ACDFD8B96C3892554
File Size:
637.44 KB, 637440 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 security information
- File is .NET application
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Assembly Version | 4.0.0.0 |
| Comments | MSBuild.exe |
| Company Name | Microsoft Corporation |
| File Description | MSBuild.exe |
| File Version | 4.8.9037.0 |
| Internal Name | QuinnLiamChloe.exeOjX |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Original Filename | QuinnLiamChloe.exeOjX |
| Product Name | Microsoft® .NET Framework |
| Product Version | 4.8.9037.0 |
File Traits
- .NET
- HighEntropy
- 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: | 29 |
|---|---|
| Potentially Malicious Blocks: | 15 |
| Whitelisted Blocks: | 14 |
| Unknown Blocks: | 0 |
Visual Map
? - 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.- MSIL.Lumma.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:\users\user\appdata\roaming\gdi32.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\gdi32.dll | Synchronize,Write 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 |
|---|---|
| User Data Access |
|