Trojan.Agent.Gen.ERX
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: | 7,378 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 14 |
| First Seen: | August 13, 2026 |
| Last Seen: | October 5, 2026 |
| OS(es) Affected: | Windows |
Trojan.Agent.Gen.ERX is a Trojan horse threat that targets computers running the Windows operating system. It is classified as a generic Trojan, meaning it is often detected based on behavior patterns and code similarities shared with other malicious programs rather than a single, unique strain. With a danger level rated 8 out of 10, this threat should be treated as a serious risk to any system it manages to infect.
Like many threats in the "Agent" family, Trojan.Agent.Gen.ERX is designed to disguise itself as legitimate software. In some observed cases, samples have even carried file information mimicking genuine Microsoft system components, such as labeling themselves as a "Windows Compatibility DLL" tied to Microsoft Corporation, in an attempt to appear trustworthy and avoid raising suspicion from users or security tools.
Table of Contents
What Trojan.Agent.Gen.ERX Does
Once active on a system, Trojan.Agent.Gen.ERX installs itself quietly and runs in the background without any visible interface or obvious warning signs. Its core purpose is to perform malicious operations behind the scenes while the victim continues to use their computer normally, unaware that anything is wrong. Trojans in this category are typically built to give remote attackers a level of control over the infected machine, which can include monitoring activity, manipulating files, or preparing the system for further malicious payloads. Because it is not packed and includes functional exports, this threat can interact directly with core system processes, giving it the technical ability to carry out file operations and manipulate memory on the infected device.
How It Usually Gets Onto Computers
Trojan.Agent.Gen.ERX commonly spreads through deceptive means rather than by self-replicating like a worm. Typical infection routes include downloading software from untrustworthy or malicious websites, opening email attachments from unknown or unverified senders, and exploiting unpatched security vulnerabilities in the operating system or installed applications. Disguised attachments can appear as common file types, including executables, media files, or even image files, tricking users into opening them. Once the vulnerability is exploited or the file is executed, the Trojan installs itself silently, often without any visible prompts or confirmation windows.
Risks for the User
The presence of Trojan.Agent.Gen.ERX on a system creates several serious risks. Because Trojans of this type frequently aim to grant attackers remote access, infected users may face unauthorized control over their files, settings, and data. This can lead to the theft of sensitive information such as passwords and personal files, unwanted changes to system configurations, and ongoing covert surveillance of computer activity. Given its high danger rating, this threat should not be left unaddressed.
Signs of Infection
Trojans are built to stay hidden, so infections are not always obvious. Users should watch for unusual slowdowns, unexpected background processes consuming resources, unfamiliar files appearing without explanation, changes to system settings that were not made intentionally, or security tools behaving erratically or being unexpectedly disabled.
How to Stay Protected
To reduce the risk of infection, keep the operating system and all installed software fully updated to close known security gaps. Avoid downloading programs from unverified websites and never open email attachments from unknown or suspicious senders. Maintain regular, reliable backups of important data, and use reputable security software to scan and monitor the system for threats such as Trojan.Agent.Gen.ERX before they can cause lasting damage.
Analysis Report
General information
| Family Name: | Trojan.Agent.Gen.ERX |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
2579873488d7f8c419bbbd5c8c595cfc
SHA1:
494c9f8e5d9112b082158887947cbb61002092b8
SHA256:
F87C46B483169C592C9560D6F680C2B0B51A158DBB1DF8E543B02A9C9EBE9406
File Size:
102.40 KB, 102400 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have security information
- File has exports table
- File is 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- 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)
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 | Microsoft Corporation |
| File Description | Windows Compatibility DLL |
| File Version | 10.0.22000.2600 (WinBuild.160101.0800) |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Product Name | Microsoft® Windows® Operating System |
| Product Version | 10.0.22000.2600 |
File Traits
- dll
- ntdll
- 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: | 329 |
|---|---|
| Potentially Malicious Blocks: | 142 |
| Whitelisted Blocks: | 187 |
| 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.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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