Trojan.Agent.OPSA
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 15, 2025 |
| Last Seen: | February 11, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.OPSA 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.OPSA?
Trojan.Agent.OPSA is a type of Trojan horse malware that can infect your computer through various means, such as downloading malicious software, opening infected email attachments, or visiting compromised websites. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to bypass security measures and gain access to your system.
How Trojan.Agent.OPSA Operates
Once installed, Trojan.Agent.OPSA can operate in the background, allowing an attacker to access your system remotely. This can lead to a range of malicious activities, including data theft, keylogging, and the installation of additional malware. The malware may also attempt to communicate with its command and control servers to receive updates or transmit stolen data.
Trojan horses like Trojan.Agent.OPSA often exploit vulnerabilities in software or operating systems to gain access to your computer. They can also use social engineering tactics to trick users into installing the malware, such as posing as a legitimate program or attachment.
Symptoms of Infection
If your system is infected with Trojan.Agent.OPSA, you may notice a range of symptoms, including slow system performance, unexpected pop-ups or advertisements, and unfamiliar programs or icons on your desktop. You may also experience issues with your internet connection or notice that your system is behaving erratically.
- Unexplained changes to your system settings or configuration
- Increased network activity or unusual traffic
- Appearance of suspicious files or folders
- System crashes or freezes
How to Remove Trojan.Agent.OPSA
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the malware
- Uninstall any suspicious programs or software that may be related to the infection
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons
- Reboot your system and perform another full scan to ensure that the malware has been completely removed
Conclusion
Removing Trojan.Agent.OPSA from your system requires a thorough and multi-step approach. By following the steps outlined above, you can help to ensure that your system is clean and secure. It's essential to remain vigilant and take proactive measures to protect your system from future infections, including keeping your software up to date, using strong antivirus protection, and avoiding suspicious downloads or attachments.
Remember that prevention is key, and by taking the necessary precautions, you can help to protect your system and your personal data from the threats posed by Trojan horses like Trojan.Agent.OPSA.
Analysis Report
General information
| Family Name: | Trojan.Agent.OPSA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
b853f15dba55c944da96f331269ef64d
SHA1:
d6cdfd7d7e0d7aea9c170dde83d1653f7ee19608
SHA256:
F8218831743A0BDA37C5EE9DFBF29F7EF5E2FF598051D3D7BE9F893876267F9B
File Size:
1.01 MB, 1007616 bytes
|
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 has TLS information
- 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
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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)
File Traits
- HighEntropy
- No Version Info
- 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: | 2,767 |
|---|---|
| Potentially Malicious Blocks: | 20 |
| Whitelisted Blocks: | 2,235 |
| Unknown Blocks: | 512 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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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