Trojan.Agent.LKJ
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: | 4,506 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 183 |
| First Seen: | April 18, 2025 |
| Last Seen: | July 18, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.LKJ on your system indicates a potential security threat that requires immediate attention. This type of threat is categorized as a Trojan, which is a broad term for malicious software that disguises itself as legitimate to gain unauthorized access to a computer system. The presence of Trojan.Agent.LKJ suggests that your system may be compromised, and it is essential to understand the nature of this threat and take appropriate steps to remove it.
Table of Contents
What Is Trojan.Agent.LKJ?
Trojan.Agent.LKJ is a type of malware that can infiltrate a system through various means, such as exploited vulnerabilities, phishing attacks, or drive-by downloads. Once inside, it can perform a range of malicious activities, including data theft, system compromise, and disruption of normal system operation. The "Trojan" designation refers to the malware's ability to disguise itself as a legitimate program or file, making it difficult to detect and remove.
How Trojan.Agent.LKJ Operates
Malware like Trojan.Agent.LKJ typically operates by exploiting system vulnerabilities or using social engineering tactics to trick users into installing it. After installation, it can communicate with its command and control servers to receive instructions, download additional malware, or exfiltrate sensitive data. The specific operations of Trojan.Agent.LKJ can vary, but common activities include monitoring user activity, stealing login credentials, and using the infected system as a botnet node for further malicious activities.
Symptoms of Infection
Systems infected with Trojan.Agent.LKJ may exhibit a range of symptoms, including slow system performance, unexpected crashes, and unusual network activity. Users may also notice unfamiliar programs or icons on their desktop, changes to their browser settings, or pop-ups and advertisements that appear without being requested. In some cases, the infection may not produce any noticeable symptoms, making it difficult to detect without the use of security software.
- Unexplained changes to system settings or files
- Increased CPU usage or slow system performance
- Appearance of unfamiliar programs or icons
- Redirects to unwanted websites or pop-ups
How to Remove Trojan.Agent.LKJ
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove all components of the Trojan.Agent.LKJ malware.
- Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your system and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.
Conclusion
The removal of Trojan.Agent.LKJ requires careful and systematic steps to ensure that all components of the malware are eliminated from the system. It is crucial to act quickly to prevent further damage and protect sensitive data. By following the steps outlined above and maintaining good security practices, such as keeping software up to date and being cautious with email attachments and downloads, you can significantly reduce the risk of future infections. Remember, the key to securing your system is vigilance and the use of reputable security tools to detect and remove threats like Trojan.Agent.LKJ.
Analysis Report
General information
| Family Name: | Trojan.Agent.LKJ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
906b7cdf27056b0ee5c3b6885b9ac62d
SHA1:
267d0ed85d6e6f48e2b2548155f53560dd6db93c
SHA256:
18507FAD046127C52DCE5D3686ECE4BAD3AFE98B011DE9FECA8555A18C714987
File Size:
7.89 MB, 7894528 bytes
|
|
MD5:
6643fac06ac28082478b5995a5a978cd
SHA1:
82115a2788295f926de602d59fedb9737ae3361f
SHA256:
A8F206A38F08CF03F5EF432F52FA1A2227E3170F44D8E23C432292A6E64CE8D8
File Size:
5.38 MB, 5384192 bytes
|
|
MD5:
b5a081d8ded01264e6973a789ae0016c
SHA1:
a555e9a2df70f56b568cc50a690e799c2b483355
SHA256:
94AE1B2FA44145A92C84A4890768684C151C61449A2585D67FEA788783609F8A
File Size:
2.94 MB, 2936320 bytes
|
|
MD5:
ca2b3866bdb15c434e92fab6482d2e18
SHA1:
883a71245b391ed387802cf73efe740eba5e9c30
SHA256:
F40E110AE7BDC26CE863B9B779A764735D375F4F1DB5B16E38FBEF2C00B8A40F
File Size:
4.09 MB, 4094976 bytes
|
|
MD5:
fba0228175edfa19ec3d306629e5fec3
SHA1:
9f57da398975a844611f6080b77fd645314fa1c8
SHA256:
052CB20B78B72E55559AF41349B5509CDD93653670B8C1C29085DB462E8DB814
File Size:
5.97 MB, 5965312 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 relocations information
- File doesn't have resources
- File doesn't have security information
- File has been packed
- File has exports table
- File has TLS information
- File is 64-bit executable
Show More
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- 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 | Browser |
| File Description | Application |
| File Version | 1.0.1 |
| Internal Name | Browser |
| Legal Copyright | © 2024 |
| Original Filename | browser.exe |
| Product Name | Browser |
| Product Version | 1.0.0 |
File Traits
- 2+ executable sections
- HighEntropy
- No Version Info
- packed
- Pastebin
- upx
- UPX!
- 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: | 13,356 |
|---|---|
| Potentially Malicious Blocks: | 157 |
| Whitelisted Blocks: | 13,169 |
| Unknown Blocks: | 30 |
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.DFSR
- Agent.FRF
- Agent.GDUB
- Agent.GFG
- Agent.IOX
Show More
- Agent.KFSK
- Agent.KFY
- Agent.MYB
- Agent.ODN
- Agent.TKM
- Brute.N
- BruteForce.O
- Bulz.AOB
- Bulz.WR
- Coinminer.GAJ
- Dropper.PPA
- Filecoder.JFA
- Filecoder.JFB
- ReverseShell.PBC
- Rozena.MC
- Rozena.OFB
- Stowaway.A
- Trojan.Downloader.Gen.QF
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\local\temp\bapp.pid | Generic Write,Read Attributes |
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 |
|---|---|---|
| HKLM\system\controlset001\control\session manager\environment::tkn | 111111111111CfPz4K5j5hdzk8dcR9j2govGjWduEv4fr | RegNtPreCreateKey |
| HKLM\system\controlset001\control\session manager\environment::dmn1 | 111111111111CLkFTtc5zQSAri9kG6JFHGo7DKipvsNgyGJkQ | RegNtPreCreateKey |
| HKLM\system\controlset001\control\session manager\environment::dmn2 | 111111111111gvNLtZYfCvhxwVf2ZLHHDfdLE9AtNb5TnZgSYV | RegNtPreCreateKey |
| HKLM\system\controlset001\control\session manager\environment::dmn3 | 1111111111116z9UgpUnX9KT9NbFposTVS8qNwbAM8XzHJoDvzD2Rhgm | 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
|
| Network Winsock2 |
|
| Other Suspicious |
|
| Network Info Queried |
|
| Network Winsock |
|
| Process Manipulation Evasion |
|
| Process Shell Execute |
|
| User Data Access |
|
| Anti Debug |
|
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\system32\setx.exe setx TKN 111111111111CfPz4K5j5hdzk8dcR9j2govGjWduEv4fr /M
|
C:\WINDOWS\system32\setx.exe setx DMN1 111111111111CLkFTtc5zQSAri9kG6JFHGo7DKipvsNgyGJkQ /M
|
C:\WINDOWS\system32\setx.exe setx DMN2 111111111111gvNLtZYfCvhxwVf2ZLHHDfdLE9AtNb5TnZgSYV /M
|
C:\WINDOWS\system32\setx.exe setx DMN3 1111111111116z9UgpUnX9KT9NbFposTVS8qNwbAM8XzHJoDvzD2Rhgm /M
|
