Trojan.Lumma.EF
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: | 13 |
| First Seen: | April 1, 2025 |
| Last Seen: | April 12, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Lumma.EF on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise the security and integrity of your computer, leading to unauthorized access, data theft, and other malicious activities. 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.EF?
Trojan.Lumma.EF is a type of malware that disguises itself as legitimate software, allowing it to evade detection and gain unauthorized access to a computer system. Once inside, it can perform a variety of malicious activities, including data theft, keystroke logging, and installation of additional malware. The name "Trojan.Lumma.EF" suggests that it is a Trojan-type threat, but its exact nature and behavior may vary.
How Trojan.Lumma.EF Operates
Trojan.Lumma.EF, like other Trojans, operates by exploiting vulnerabilities in software or tricking users into installing it. It can spread through various means, including email attachments, infected software downloads, or infected websites. Once installed, it can communicate with its creators, allowing them to control the infected system remotely. This can lead to a range of malicious activities, including data theft, identity theft, and financial fraud.
Symptoms of Infection
The symptoms of a Trojan.Lumma.EF infection can vary, but common indicators include slow system performance, unexpected pop-ups, and unfamiliar programs or icons on the desktop. You may also notice that your browser is redirecting to unfamiliar websites or that your antivirus software is disabled. In some cases, you may not notice any symptoms at all, which is why regular scans and monitoring are essential for detecting and removing malware.
How to Remove Trojan.Lumma.EF
- Boot your computer 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 and remove any malware, including Trojan.Lumma.EF.
- Uninstall any suspicious programs or software that you do not recognize or that were installed around the time of the infection.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings.
- Reboot your computer and perform another scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Lumma.EF requires careful attention to detail and a comprehensive approach to ensure that all components of the malware are removed. By following the steps outlined above and taking preventative measures, such as regularly updating your operating system and software, using strong antivirus software, and being cautious when clicking on links or downloading attachments, you can help protect your computer and personal data from future infections. Remember to always be vigilant and monitor your system for any signs of malware activity to ensure your security and privacy online.
Analysis Report
General information
| Family Name: | Trojan.Lumma.EF |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
d2728bfcad803bdeceecf3e73abd7dbe
SHA1:
b597bfd1abe9c0ab0cd9df9fa1f8d2180bb8d4e9
File Size:
302.08 KB, 302080 bytes
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MD5:
8da50713c3df992075e114845846cfc2
SHA1:
1b65cde43f6e63a6a326837afecaf8a5383ec968
SHA256:
7659B708B99FBBF78B1CB50FECB45DCC80C03681929BAB5CE831D54F8A76307B
File Size:
2.62 MB, 2616320 bytes
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MD5:
e644f8e78dee3d626eb10dfc33cb2211
SHA1:
e6aa1d4535ad529fcb18ed045e32a71795ed497e
SHA256:
F647640E8B8581A8036DC391950287050C872A947D1B0BE948D8753179F6C607
File Size:
3.24 MB, 3238400 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 exports table
- File has TLS information
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
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- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- 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
- dll
- No Version Info
- 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: | 89 |
|---|---|
| Potentially Malicious Blocks: | 11 |
| Whitelisted Blocks: | 75 |
| Unknown Blocks: | 3 |
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.- Lumma.EF
- Marte.W
- Trojan.ShellcodeRunner.Gen.NL
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 |
Show More
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| Process Shell Execute |
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| Anti Debug |
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| Process Manipulation Evasion |
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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.
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\1b65cde43f6e63a6a326837afecaf8a5383ec968_0002616320.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\e6aa1d4535ad529fcb18ed045e32a71795ed497e_0003238400.,LiQMAxHB
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