Trojan.Agent.KTH
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: | 25,656 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 10 |
| First Seen: | September 8, 2025 |
| Last Seen: | May 25, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.KTH on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and protect your system.
Table of Contents
What Is Trojan.Agent.KTH?
Trojan.Agent.KTH is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate or harmless. The name "Trojan" refers to the method of operation, where the malware hides within or masquerades as something benign to gain unauthorized access to a computer system. The specifics of Trojan.Agent.KTH, such as its exact mechanisms or the goals of its creators, can vary, but its classification as a Trojan indicates it is designed to surreptitiously install itself on a victim's computer.
How Trojan.Agent.KTH Operates
Trojan horse malware, including Trojan.Agent.KTH, typically operates by exploiting vulnerabilities in software or tricking users into executing the malware. Once installed, it can perform a variety of malicious actions, including but not limited to, stealing sensitive information, installing additional malware, or providing a backdoor for remote access to the compromised system. The exact operational details of Trojan.Agent.KTH would depend on its specific programming and the intentions of its creators.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unexpected changes in system behavior, such as unusual pop-ups, slow performance, or unfamiliar programs appearing on the system. In some cases, the malware may operate stealthily, making it difficult to detect without the use of antivirus software. Regular system scans and monitoring for unusual activity are crucial in identifying and addressing potential infections early.
How to Remove Trojan.Agent.KTH
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Use a reputable antivirus tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the malware and any associated files or programs.
- Manually uninstall any recently installed programs that you do not recognize or that were installed around the time the malware was detected.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
- After completing the above steps, reboot your computer and perform another full scan with your antivirus software to ensure that the malware has been fully removed.
Conclusion
The detection and removal of Trojan.Agent.KTH require a combination of awareness, the right tools, and careful action. By understanding how Trojans operate and taking proactive steps to secure your system, you can significantly reduce the risk of infection. Regularly updating your operating system, software, and antivirus programs, along with practicing safe computing habits, such as avoiding suspicious downloads and links, are key to protecting your digital security. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is thoroughly cleaned and protected against future threats.
Analysis Report
General information
| Family Name: | Trojan.Agent.KTH |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
6a4398c075126c5d15527eea41b470a1
SHA1:
dcf923efef13ad865d07ed898e3de2a2fe576270
SHA256:
A7D262425CE2F35134652FE02B72A15F4BC52C32D9B4860C722A81078F27CF0F
File Size:
171.52 KB, 171520 bytes
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MD5:
db94d90e8f0b502b267cd96d2aa55256
SHA1:
53ad7c6988681a9654820f50ed49dd0525848d5b
SHA256:
583900EA2DC3F7DF8375CF74C74CC034615F5359683C8E6804036609C8C57E6B
File Size:
260.10 KB, 260096 bytes
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MD5:
1cb6861bb58ec622c5721b2bd129fc9f
SHA1:
490f4983b9fd98f4f3417e3db590a52863ad8bf5
SHA256:
76490C593A2FD01DB77C2C7DC8D5EC6399CA05F64B460401EC6258190A90C06D
File Size:
162.30 KB, 162304 bytes
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MD5:
d66673f0de0bc865b9375258e2f854b0
SHA1:
d911fb8082dd7b6e6c4aa40862f2274e520d852c
SHA256:
9C79B93C1BEB4AE483F9C7D8EED01D8972AA9BDC5A207DD3950540228640613F
File Size:
167.42 KB, 167424 bytes
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MD5:
e23699ecb9b4c6bc42d905661de6e736
SHA1:
8757259228c87a3f787718a83bd4288f981bf9d5
SHA256:
903753D72FE6638532138E7F0105C4ECB0D20E1A68BE6681BDE5E64EDC132D48
File Size:
171.52 KB, 171520 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have resources
- File doesn't have security 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
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- fptable
- No Version Info
- 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: | 651 |
|---|---|
| Potentially Malicious Blocks: | 20 |
| Whitelisted Blocks: | 631 |
| 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.JOC
- Agent.KTH
- Agent.LOFD
- Agent.POSF
- Agent.UFRA
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- Agent.XSKA
- Injector.KFSC
- MSIL.FakeMS.QT
- PSWDump.C
- Trojan.Kryptik.Gen.EIZ
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\microsoft\windows\powershell\startupprofiledata-noninteractive | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_cenecszi.nv0.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_ct3i3f3y.xbk.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_naegznlt.s1d.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_ta0dj5bx.a25.psm1 | 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\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 斐䙅䐟ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 鷚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 Urlomon |
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| Process Shell Execute |
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| Anti Debug |
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| User Data Access |
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| Encryption Used |
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| Other Suspicious |
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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:\Users\Zlpjxqex\AppData\Local\xho\nbgtpasrg.exe"
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powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Zlpjxqex\AppData\Local\xho\dadaasads_new.ps1"
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WriteConsole: The argument 'C:
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WriteConsole:
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WriteConsole: Windows PowerShe
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WriteConsole:
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WriteConsole:
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"C:\Users\Hdiedlhq\AppData\Local\etqoz\nbgtpasrg.exe"
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"C:\Users\Ruagrxkp\AppData\Local\pmgo\nbgtpasrg.exe"
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"C:\Users\Ruagrxkp\AppData\Local\pmgo\sece.exe"
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"C:\Users\Xhiexcvp\AppData\Local\avxjf\qrmpd.exe"
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"C:\Users\Xhiexcvp\AppData\Local\avxjf\jzdqlpos.exe"
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"C:\Users\Mydltdvw\AppData\Local\leb\nbgtpasrg.exe"
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powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Mydltdvw\AppData\Local\leb\dadaasads_new.ps1"
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