Trojan.Agent.XSFA
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: | 26,474 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 1 |
| First Seen: | July 28, 2026 |
| Last Seen: | September 23, 2026 |
| OS(es) Affected: | Windows |
Trojan.Agent.XSFA is a Windows-based Trojan threat that falls into the broad "Agent" family of malicious programs, a category known for its stealthy installation and its ability to perform a wide range of harmful actions once it gains a foothold on a system. Like most Trojans, it does not announce its presence; instead, it quietly installs itself in the background while the user remains unaware that anything out of the ordinary has happened. Its presence has been actively tracked between July and September 2026, indicating it is a threat that continues to circulate and affect Windows users.
Table of Contents
What Trojan.Agent.XSFA Does
Once active on a system, Trojan.Agent.XSFA behaves in a manner typical of its category, meaning it can carry out a variety of damaging operations without the user's knowledge or consent. Trojans of this type are commonly capable of granting attackers remote control over an infected machine, allowing them to execute additional malicious code, download further malware, delete or modify files, change system and security settings, and monitor the victim's activity. This level of access makes the threat highly dangerous, as it essentially hands control of the computer over to a remote attacker who can then use it for a variety of malicious purposes, from data theft to using the machine as part of a larger attack infrastructure.
How It Usually Gets Onto Computers
Trojans in this family typically spread through deceptive methods rather than exploiting a single specific vulnerability. The most common infection vector is email attachments disguised as harmless files, such as documents, images, or videos, which actually contain executable malicious code. Common file types abused for this purpose include .exe, .pif, .avi, and even seemingly innocent .jpg files that have been manipulated to carry malicious payloads. Users may also encounter this type of threat through bundled downloads, fake software updates, cracked programs, or deceptive links shared through compromised websites or messaging platforms. Because the installation process is designed to be silent and unobtrusive, victims often have no idea that they have downloaded and executed a Trojan until problems begin to surface.
Risks for the User
With a danger level rated as high, Trojan.Agent.XSFA poses serious risks to both the security and privacy of affected users. Because Trojans in this category often achieve complete control over the infected system, victims may face stolen passwords and personal information, unauthorized changes to system settings, deletion or corruption of important files, and ongoing surveillance of their online and offline activities. This can lead to financial loss, identity theft, and further compromise of other accounts or devices connected to the infected system.
Signs of Infection
Because Trojans are designed to operate covertly, noticeable symptoms may be subtle or absent altogether. However, users should be alert to warning signs such as unexpected slowdowns in system performance, unfamiliar processes running in the background, changes to browser or system settings that were not made by the user, unexpected pop-ups, or unusual network activity suggesting data is being sent or received without authorization.
How to Stay Protected
To reduce the risk of infection, users should avoid opening email attachments from unknown or unverified senders, especially executable files or compressed archives. It is wise to keep the operating system and installed software updated, avoid downloading programs from untrustworthy sources, and remain cautious of unsolicited links or files shared through messaging apps and social media. Regularly backing up important data and using reputable, up-to-date security software can also help detect and remove threats like Trojan.Agent.XSFA before they cause significant harm.
Analysis Report
General information
| Family Name: | Trojan.Agent.XSFA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
58b292a603bdb99d0a5d8894947b58e8
SHA1:
061b15a7d2ff577fbdbec5be7e8c0bf68554835c
SHA256:
919B1B56BC5109643D7A1F06C4B79D42E00B22232B86CD0F75221AF0A75AAD7E
File Size:
2.86 MB, 2862080 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- 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
- 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
- dll
- 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: | 8,071 |
|---|---|
| Potentially Malicious Blocks: | 1,053 |
| Whitelisted Blocks: | 6,021 |
| Unknown Blocks: | 997 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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\roaming\essential.exe\4160.lua | Generic Write,Read Attributes |
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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