Trojan.Downloader.Agent.LZ
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: | 1 |
| First Seen: | September 5, 2024 |
| Last Seen: | July 27, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.Agent.LZ indicates that your system has been compromised by a type of malicious software. This threat is categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can have various functions, including downloading additional malware, stealing sensitive information, or providing unauthorized access to the infected system. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.
Table of Contents
What Is Trojan.Downloader.Agent.LZ?
Trojan.Downloader.Agent.LZ is a specific identification given to a malware threat that has been detected on your system. The name suggests that it is a Trojan-type malware with the capability to download additional components or malware. This type of malware can be particularly dangerous because it can evolve and adapt by downloading new modules, making it challenging to detect and remove. Understanding that the name itself does not specify a particular malware family but rather describes its behavior is crucial.
How Trojan.Downloader.Agent.LZ Operates
Trojan.Downloader.Agent.LZ, like other Trojans, operates by disguising itself as legitimate software to gain access to a system. Once inside, it can perform a variety of malicious activities. The "Downloader" part of its name indicates that one of its primary functions is to download additional malware or components from the internet. This capability allows the malware to update itself, change its behavior, or install more malicious software, potentially leading to more severe consequences such as data theft, ransomware attacks, or the system being used for malicious activities like spamming or DDoS attacks.
Symptoms of Infection
Symptoms of a Trojan.Downloader.Agent.LZ infection can vary widely depending on the specific actions the malware is designed to perform. Common indicators of a malware infection include unexpected changes to system settings, appearance of unknown programs or icons, slow system performance, frequent crashes, or unusual network activity. In some cases, the infection might not exhibit obvious symptoms, making it difficult for users to detect without the aid of security software.
How to Remove Trojan.Downloader.Agent.LZ
- Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download necessary tools while minimizing system activity.
- Perform a full scan of your system using a reputable anti-malware tool such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the malware.
- 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 sure are not needed.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This step can help remove any malicious extensions or settings changes made by the malware.
- After completing the above steps, reboot your system and perform another scan to ensure the malware has been successfully removed. Repeated scans may be necessary to confirm the system is clean.
Conclusion
The detection and removal of Trojan.Downloader.Agent.LZ require immediate attention to prevent further damage to your system and protect your sensitive information. By understanding the nature of this threat and following the steps outlined for its removal, you can significantly reduce the risk associated with this malware. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe computing habits, can help protect against future malware infections.
Analysis Report
General information
| Family Name: | Trojan.Downloader.Agent.LZ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ad71b20f40d1124cf84b264151446861
SHA1:
da8f6f308e9dcb1e3986c5e59413a8fda9e5b78a
File Size:
906.89 KB, 906888 bytes
|
|
MD5:
a3a0d0274e649a24534e6d5cded5c427
SHA1:
1b752852c05c4227b4a3a1e40cae0b896c2b27e6
SHA256:
08233F031A658CD7501B7FE0BE71CD4C457682281FD28AD8D6CE081238BC6D0F
File Size:
3.16 MB, 3160648 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File has exports table
- File has TLS information
- File is 64-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
Show More
- 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 |
|
| File Description |
|
| File Version |
|
| Internal Name |
|
| Legal Copyright |
|
| Original Filename |
|
| Product Name |
|
| Product Version |
|
File Traits
- 2+ executable sections
- HighEntropy
- Installer Manifest
- Installer Version
- 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: | 8,471 |
|---|---|
| Potentially Malicious Blocks: | 10 |
| Whitelisted Blocks: | 8,025 |
| Unknown Blocks: | 436 |
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.- Agent.HFF
- Agent.HFH
- Agent.ZFY
- Clipbanker.DP
- Kryptik.FTA
Show More
- SpamTool.C
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\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 | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\content::cacheprefix | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\cookies::cacheprefix | Cookie: | RegNtPreCreateKey |
Show More
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix | Visited: | 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 |
|---|---|
| Syscall Use |
Show More
47 additional items are not displayed above. |
| Network Winsock2 |
|
| Network Winsock |
|
| Other Suspicious |
|
