Trojan.Agent.OPSB
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: | 25,862 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 8 |
| First Seen: | November 3, 2025 |
| Last Seen: | June 10, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.OPSB indicates that your system has been compromised by a potentially malicious program. This type of threat is known as a Trojan, which is a broad category of malware that can perform a variety of malicious actions on an infected system. It's essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.
Table of Contents
What Is Trojan.Agent.OPSB?
Trojan.Agent.OPSB is a type of malware that can infect a system through various means, such as exploiting vulnerabilities, phishing attacks, or drive-by downloads. Once installed, it can allow unauthorized access to the system, steal sensitive information, or disrupt normal system operation. The specific actions of Trojan.Agent.OPSB can vary, but its primary goal is to compromise the security and integrity of the infected system.
How Trojan.Agent.OPSB Operates
Trojan.Agent.OPSB operates by using deceptive tactics to evade detection and gain control over the infected system. It may use social engineering techniques to trick users into installing it or exploit vulnerabilities in software or operating systems. Once installed, it can communicate with its command and control servers to receive instructions and transmit stolen data. Trojan.Agent.OPSB can also modify system settings, create new files or folders, and disrupt normal system operation to achieve its malicious goals.
Symptoms of Infection
Systems infected with Trojan.Agent.OPSB may exhibit various symptoms, including slow system performance, frequent crashes, or unusual network activity. Users may also notice unfamiliar programs or icons on their desktop, or receive unexpected pop-ups or alerts. In some cases, the system may become unresponsive or fail to boot properly. It's essential to be aware of these symptoms and take immediate action if you suspect that your system has been infected.
How to Remove Trojan.Agent.OPSB
- Boot your system in Safe Mode with Networking to prevent Trojan.Agent.OPSB from loading and to allow for easier removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
- Uninstall any suspicious programs or applications 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 with your anti-malware tool to ensure that all remnants of Trojan.Agent.OPSB have been removed.
Conclusion
Removing Trojan.Agent.OPSB requires careful attention to detail and a thorough understanding of the removal process. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove this threat and prevent further damage to your system. It's essential to remain vigilant and take proactive measures to protect your system from future infections, including keeping your operating system and software up to date, using strong antivirus software, and avoiding suspicious downloads or links.
Analysis Report
General information
| Family Name: | Trojan.Agent.OPSB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
efdc927fe11d2a0afdc013d90a6f6e33
SHA1:
f2377d1781c3f9bc24a63ea5aa3ddde9c3034eae
SHA256:
933A98E3571BED899D1D6B84F6B7E145AB1ED81BC3BF53DC5CF91FEE146704A7
File Size:
487.42 KB, 487424 bytes
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MD5:
7465d9a142774fc582573ea9edb81347
SHA1:
9efa887ef04887c91eea9bec18ae97e86c6f6710
SHA256:
33BC1C6A602B53958F6EB729F231BAB169998C8FCE3A7368C1DEA1B3D01C5B81
File Size:
974.85 KB, 974848 bytes
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MD5:
4206b90b73c34e3d2521ab24ce70cd6b
SHA1:
db504e55028ecf840b3f01b37471e535d9c97e14
SHA256:
2EF8A740F9CCF87DC53767C203085BEA0DCD1049EC7C84BCE133B3B53A448965
File Size:
922.11 KB, 922112 bytes
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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 Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
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 |
|---|---|
| Comments | Automatic hardware driver update tool |
| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Legal Trademark | Seerstone Inc.™ |
| Original Filename |
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| Product Name |
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| Product Version |
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File Traits
- fptable
- HighEntropy
- 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: | 1,280 |
|---|---|
| Potentially Malicious Blocks: | 32 |
| Whitelisted Blocks: | 1,227 |
| Unknown Blocks: | 21 |
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.OPSB
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 |
Show More
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| Network Winhttp |
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