Trojan.Agent.TK
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: | 8,018 |
| First Seen: | July 4, 2022 |
| Last Seen: | February 9, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.TK indicates that your system has been compromised by a potentially malicious program. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can have various functions, including data theft, system compromise, and the installation of additional malware. It is essential to address this issue promptly to prevent further damage to your system and protect your sensitive information.
Table of Contents
What Is Trojan.Agent.TK?
Trojan.Agent.TK is a type of malware that has been detected on your system. The specifics of its operation and purpose can vary, but it is crucial to understand that Trojans are designed to deceive users into installing them, often by masquerading as useful software or attachments. Once installed, they can perform a range of malicious activities, from stealing personal data to providing unauthorized access to your system. The name "Trojan.Agent.TK" suggests it is a Trojan-type threat, but without more specific information, it's challenging to determine its exact nature or the scope of its capabilities.
How Trojan.Agent.TK Operates
Trojan.Agent.TK, like other Trojans, operates by exploiting the trust of the user. It may arrive as an email attachment, a downloaded file from the internet, or even through vulnerabilities in software. Once it has gained entry into your system, it can begin its malicious activities. These can include monitoring your keyboard inputs to steal passwords, sending spam, or even recruiting your computer into a botnet for distributed denial-of-service (DDoS) attacks. The exact mode of operation can depend on the intentions of its creators and the specific code used to craft the Trojan.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common signs include unusual system behavior, such as unexpected pop-ups, slow performance, or frequent crashes. You might also notice that your browser homepage has changed, or you're being redirected to unwanted websites. In some cases, you might receive warnings from your antivirus software or notice that your personal files are being encrypted by ransomware, which can be delivered through a Trojan. Being vigilant about these symptoms can help in early detection and removal of the threat.
How to Remove Trojan.Agent.TK
- Boot your computer in 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.
- Download and run a full scan with 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 Trojan.
- 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 malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- Reboot your computer and run another full scan with your anti-malware tool to ensure that the Trojan has been completely removed. Repeat this process if necessary until no more threats are detected.
Conclusion
The removal of Trojan.Agent.TK requires careful and systematic steps to ensure that the malware is completely eradicated from your system. It's also a critical reminder of the importance of preventive measures, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious with emails and downloads from the internet. By understanding how Trojans operate and taking proactive steps to secure your system, you can significantly reduce the risk of future infections and protect your digital life.
Analysis Report
General information
| Family Name: | Trojan.Agent.TK |
|---|---|
| Packers: | UPX! |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
260218734f5630ff01b971e7e608173d
SHA1:
6f6de1f5eec33c1ad763df5c2d7c2470d633ac8a
SHA256:
94C9AFA6DECDFFD81C21CC057720FD0B9F63EB23324C28B0BFE1B79D2FBE8967
File Size:
4.24 MB, 4240896 bytes
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MD5:
a9dce3632fd8a7f6a4f0d6f361212fcb
SHA1:
508e74403a383139d49760ba9861d55ccb35a632
SHA256:
D95EC384E8838E935E6108B69C0F417C3AAB96D6833775351AA31D7C03AFB5AF
File Size:
4.24 MB, 4240384 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 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
- 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)
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- No Version Info
- packed
- 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: | 11,856 |
|---|---|
| Potentially Malicious Blocks: | 200 |
| Whitelisted Blocks: | 11,656 |
| 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.- Agent.PFA
- Agent.TF
- Agent.TK
- Agent.TP
- Agent.TPA
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- Filecoder.ABH
- Filecoder.KE
- Stealer.IFG
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\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 贂䚪ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | g���F� | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 쎫Ꭶ檃ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ꬨᎭ檃ǜ | 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 |
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| Network Winsock2 |
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| Anti Debug |
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| Process Shell Execute |
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| User Data Access |
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| Process Terminate |
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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\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del c:\users\user\downloads\6f6de1f5eec33c1ad763df5c2d7c2470d633ac8a_0004240896
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C:\WINDOWS\system32\choice.exe choice /C Y /N /D Y /T 0
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WriteConsole: Y
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C:\WINDOWS\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del c:\users\user\downloads\508e74403a383139d49760ba9861d55ccb35a632_0004240384
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