Backdoor.Spy.Agent.UDB
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: | 60 % (Medium) |
| Infected Computers: | 2 |
| First Seen: | January 2, 2026 |
| Last Seen: | April 1, 2026 |
| OS(es) Affected: | Windows |
The detection of Backdoor.Spy.Agent.UDB on your system indicates a potential security threat that requires immediate attention. This detection name suggests a backdoor threat, which is a type of malware that allows unauthorized access to a computer system. In this report, we will provide an overview of what Backdoor.Spy.Agent.UDB is, how it operates, its symptoms, and most importantly, how to remove it from your system.
Table of Contents
What Is Backdoor.Spy.Agent.UDB?
Backdoor.Spy.Agent.UDB is identified as a backdoor threat, which implies its primary function is to create a covert entry point into a computer system. Backdoors are designed to bypass normal security mechanisms, allowing attackers to access the system remotely without being detected. The name Backdoor.Spy.Agent.UDB itself does not directly indicate a specific malware family but suggests its capability for spying and possibly other malicious activities.
How Backdoor.Spy.Agent.UDB Operates
Backdoor threats like Backdoor.Spy.Agent.UDB typically operate by first infecting a system through various means, such as exploiting vulnerabilities, phishing attacks, or being bundled with other malicious or legitimate software. Once installed, the backdoor can communicate with its command and control (C2) server to receive instructions, which can include stealing sensitive information, installing additional malware, or using the compromised system for further malicious activities like spamming or participating in distributed denial-of-service (DDoS) attacks.
Symptoms of Infection
Symptoms of a Backdoor.Spy.Agent.UDB infection can be subtle and may not always be immediately apparent. However, signs of infection can include unusual system behavior, such as unexpected changes to system settings, appearance of unknown programs or files, slowed system performance, or frequent crashes. Additionally, if the backdoor is used for malicious activities like data theft, you might notice unauthorized access to personal accounts or financial information.
- Unexplained changes in system settings or files
- Presence of unknown programs or files
- Slow system performance or frequent crashes
- Unauthorized access to personal accounts or data
How to Remove Backdoor.Spy.Agent.UDB
- Boot your system into Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
- After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.
Conclusion
The removal of Backdoor.Spy.Agent.UDB requires careful and thorough steps to ensure that all components of the malware are eliminated from your system. It is crucial to use reputable security software and follow best practices for system security to prevent future infections. Regularly updating your operating system, applications, and security software, along with being cautious when clicking on links or opening attachments from unknown sources, can significantly reduce the risk of malware infections. By taking these measures, you can protect your system and personal data from threats like Backdoor.Spy.Agent.UDB and maintain a secure computing environment.
Analysis Report
General information
| Family Name: | Backdoor.Spy.Agent.UDB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
26e350b6f17a777a79b8be46e1b06ac0
SHA1:
acdbbef171b2361604bb7678645acf62fc2cc7af
SHA256:
29C535C85CA221059C46B364B9B6A81E68A0E0A6AEF5DA460DCB0DADDF90D2F1
File Size:
5.98 MB, 5979648 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
- 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: | 1,832 |
|---|---|
| Potentially Malicious Blocks: | 40 |
| Whitelisted Blocks: | 1,792 |
| 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.- Spy.Agent.UDB
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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| Cert Store Read |
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| Network Winsock2 |
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| Network Winsock |
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