Trojan.Agent.FYH
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: | 6 |
| First Seen: | May 10, 2025 |
| Last Seen: | September 14, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.FYH 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, and it's essential to understand its nature and take steps to remove it.
Table of Contents
What Is Trojan.Agent.FYH?
Trojan.Agent.FYH 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" comes from the legendary Trojan Horse, where attackers hid inside a giant wooden horse to gain access to a protected area. Similarly, Trojan malware hides within or masquerades as legitimate software to infiltrate and compromise computer systems. The ".Agent.FYH" part of the name suggests that it may be a specific variant or classification within the broader Trojan category, but without more information, it's difficult to determine its exact nature or origins.
How Trojan.Agent.FYH Operates
Trojan malware, including Trojan.Agent.FYH, typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can perform a variety of malicious actions, such as stealing sensitive information, installing additional malware, or providing unauthorized access to the infected computer. Trojans can be particularly dangerous because they can be designed to evade detection by traditional antivirus software, making them challenging to identify and remove.
Symptoms of Infection
The symptoms of a Trojan.Agent.FYH infection can vary widely, depending on its specific design and purpose. Common signs of infection include unusual computer behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. You might also notice unexpected changes to your browser settings, homepage, or the appearance of pop-up ads. In some cases, the infection might not produce any noticeable symptoms at all, making it difficult to detect without the aid of security software.
How to Remove Trojan.Agent.FYH
- 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.
- Download and run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware. It's crucial to use a tool that is capable of detecting and removing Trojans and other types of malware.
- Uninstall any suspicious programs that you don't recognize or that were installed around the time the malware was detected. Be cautious and only remove programs that you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any changes made by the malware. This can help eliminate malicious extensions, changed homepages, or other unwanted modifications.
- Reboot your computer and run another full scan with your anti-malware tool to ensure that all components of the malware have been removed. This step is crucial to confirm that the removal was successful and that your system is clean.
Conclusion
Removing Trojan.Agent.FYH requires a systematic approach to ensure that all components of the malware are eliminated from your system. By following the steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when downloading and installing programs, you can help protect your computer from future infections. Remember, prevention and vigilance are key to maintaining the security and integrity of your digital environment.
Analysis Report
General information
| Family Name: | Trojan.Agent.FYH |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
84f458edca6ca5f720fc3b8968e93cab
SHA1:
a1f2ecc3e2c29b30230f79b1bf210a1a116ea93a
SHA256:
0FFB699967FA3BA3D51A6340DD42A5ED3145DD8D1E56BEA42CE3B8F60C8A1C89
File Size:
751.10 KB, 751104 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have resources
- File doesn't have security information
- File has exports table
- 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
- 2+ executable sections
- dll
- fptable
- JMC
- VirtualQueryEx
- WriteProcessMemory
- 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: | 2,154 |
|---|---|
| Potentially Malicious Blocks: | 18 |
| Whitelisted Blocks: | 2,136 |
| 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.FYH
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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