Trojan.Lumma.Z
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: | 25,104 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 28 |
| First Seen: | December 27, 2024 |
| Last Seen: | June 3, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Lumma.Z indicates that your system has been compromised by a potentially malicious program. This type of threat is known to cause significant issues with your computer's performance and security. It is essential to understand the nature of this threat and take immediate action to remove it from your system.
Table of Contents
What Is Trojan.Lumma.Z?
Trojan.Lumma.Z is a type of Trojan horse malware, which means it is a program that appears to be legitimate but actually contains malicious code. The name "Trojan.Lumma.Z" suggests that it is a specific variant of malware, but the exact nature and behavior of this threat can vary. Trojan horses are often used to gain unauthorized access to a system, steal sensitive information, or disrupt normal computer operations.
How Trojan.Lumma.Z Operates
Trojan.Lumma.Z, like other Trojan horses, operates by deceiving the user into installing or running the malicious program. This can happen through various means, such as downloading software from untrusted sources, opening malicious email attachments, or visiting compromised websites. Once installed, the malware can connect to a remote server to receive instructions, download additional malicious components, or transmit stolen data. The specific operations of Trojan.Lumma.Z can depend on its intended purpose, which could range from data theft to using the infected computer as part of a botnet.
Symptoms of Infection
Identifying a Trojan.Lumma.Z infection can be challenging because the symptoms may not always be obvious. However, common signs of a Trojan horse infection include unusual system behavior, such as slow performance, frequent crashes, or unexpected pop-ups. You might also notice that your antivirus software is disabled or that new, unfamiliar programs are installed on your computer. In some cases, you might receive notifications about suspicious activity from your antivirus or firewall software.
How to Remove Trojan.Lumma.Z
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools if necessary.
- Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove all components of the Trojan.Lumma.Z malware. Ensure your antivirus software is updated with the latest definitions before running the scan.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time you noticed the infection. Be cautious and only remove programs you are sure are not needed by your system.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware. This can often be done through the browser's settings or options menu.
- After completing the above steps, reboot your computer and perform another full scan with your antivirus software to ensure that all remnants of the malware have been removed.
Conclusion
Removing Trojan.Lumma.Z from your system requires careful and thorough action to ensure that all components of the malware are eliminated. It is crucial to stay vigilant and take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading software or opening email attachments from unknown sources. By understanding the nature of Trojan horse malware and taking the necessary steps to protect your system, you can significantly reduce the risk of infection and keep your computer and personal data safe.
Analysis Report
General information
| Family Name: | Trojan.Lumma.Z |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
5e15bdb7a4c8cec3e9d765ae19d85c7e
SHA1:
a1d1aa70717790d444258403b317d98146976da4
SHA256:
4A65086000D0F71964A227C2D450C7325D4BA686E6DFD1EE30709D07D83835EA
File Size:
2.50 MB, 2498560 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have relocations 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)
- 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 Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
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 |
|---|---|
| Company Name | Google Inc. |
| File Description | Picasa |
| File Version | 3.9.141.259 |
| Internal Name | Picasa |
| Legal Copyright | © 2003-2013 Google Inc. |
| Original Filename | Picasa.exe |
| Product Name | Picasa |
| Product Version | 3.9.141 |
File Traits
- 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: | 4,401 |
|---|---|
| Potentially Malicious Blocks: | 1 |
| Whitelisted Blocks: | 4,400 |
| 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.- Lumma.Z
