Trojan.Agent.NIS
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: | 2 |
| First Seen: | October 3, 2026 |
| Last Seen: | October 19, 2026 |
| OS(es) Affected: | Windows |
Trojan.Agent.NIS is a malicious program classified as a Trojan horse that targets computers running Windows. Like most threats in this category, it is designed to infiltrate a system quietly, disguise its presence, and carry out harmful actions in the background without the user's knowledge or consent. Security researchers consider it a high-risk infection due to the broad range of damaging activities it can perform once installed.
Table of Contents
What Trojan.Agent.NIS Does
Once active on a machine, Agent.NIS runs silently in the background while performing malicious functions behind the scenes. It is built to disguise itself as a legitimate Windows component, with file details that imitate a core system process, which helps it blend in and avoid drawing attention from the user. The Trojan is capable of accessing stored user data such as the username and computer name, and it can interact with the Windows clipboard, potentially exposing copied text and sensitive information. It also establishes network connections, which can be used to communicate with a remote server, receive further instructions, or download additional threats onto the infected machine. To maintain its presence, Agent.NIS has been observed creating scheduled tasks that automatically relaunch its executable every time the user logs on, ensuring it keeps running even after a system restart. In many cases, this type of Trojan can give attackers a high degree of control over the compromised system, allowing them to delete files, install further malware, and manipulate the computer in ways the owner never authorized.
How It Usually Gets Onto Computers
Agent.NIS typically spreads through deceptive or opportunistic methods rather than obvious direct attacks. It commonly installs itself by exploiting unpatched system vulnerabilities and security flaws, taking advantage of outdated software. It can also arrive bundled with software downloaded from untrustworthy or malicious websites, or hidden inside email attachments sent from unknown or untrusted senders. These attachments are not always obviously dangerous file types; they can be disguised as executables, media files, or even image files, tricking users into opening them.
Risks for the User
Because this Trojan can grant attackers extensive control over an infected system, the risks are severe. Potential consequences include theft of personal information, unauthorized access to files, installation of additional malware such as password stealers or coin miners, loss or corruption of data, and degraded system performance. Any activity involving the clipboard or stored user credentials raises the possibility of sensitive data, including passwords or financial information, being captured and sent to attackers.
Signs of Infection
Infections like this are designed to stay hidden, but users may notice warning signs such as unexpected new files appearing in startup folders, unfamiliar scheduled tasks, unusual network activity, sluggish system performance, unexplained new processes running in the background, or security tools being blocked or disabled.
How to Stay Protected
Users can reduce their risk by keeping the Windows operating system and all installed software fully updated to close known security vulnerabilities. It is also wise to avoid downloading programs from unofficial or suspicious websites, never open email attachments from unknown senders, and exercise caution with any unexpected file, even if it appears to be a harmless document or image. Running up-to-date security software, performing regular system scans, and maintaining backups of important files can further help detect and limit the damage caused by threats like Trojan.Agent.NIS.
Analysis Report
General information
| Family Name: | Trojan.Agent.NIS |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
914f93f9191327a9a454b6eb0cafdde1
SHA1:
ef154e3903f84845257d1eb5b60e7260a8ee7a68
SHA256:
2E2DE2A9175351644FC9DBE395F4F813FE8E7D57B8E85A168E614ED09A424A01
File Size:
2.30 MB, 2297856 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 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
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- 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 Runtime Broker |
| File Version | 10.0.19041.1 (WinBuild.160101.0800) |
| Internal Name | RuntimeBroker |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Original Filename | RuntimeBroker.exe |
| Product Name | Microsoft® Windows® Operating System |
| Product Version | 10.0.19041.1 |
File Traits
- CryptUnprotectData
- 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: | 13,634 |
|---|---|
| Potentially Malicious Blocks: | 1,844 |
| Whitelisted Blocks: | 11,790 |
| 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.NIS
- Coinminer.BDH
- Coinminer.OGD
- PSW.Agent.LDG
- PSW.Agent.TUI
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- PSW.Agent.TUK
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\microsoft\windows\start menu\programs\startup\svcruntimemtx.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\svcruntimemtx.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\roaming\programs\svcruntimemtx\svcruntimemtx.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
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 |
|---|---|---|
| HKCU\software\microsoft\windows\currentversion\run::svcruntimemtx | "C:\Users\Pyaatmuk\AppData\Roaming\Programs\SvcRuntimeMtx\SvcRuntimeMtx.exe" | 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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| Anti Debug |
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| User Data Access |
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| Process Shell Execute |
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| Other Suspicious |
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| Network Winhttp |
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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.
schtasks /create /tn "SvcRuntimeMtxTask" /tr "\"C:\Users\Pyaatmuk\AppData\Roaming\Programs\SvcRuntimeMtx\SvcRuntimeMtx.exe\"" /sc onlogon /rl highest /f
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schtasks /create /tn "SvcRuntimeMtxTask" /tr "\"C:\Users\Pyaatmuk\AppData\Roaming\Programs\SvcRuntimeMtx\SvcRuntimeMtx.exe\"" /sc onlogon /f
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