Backdoor.Agent.XBL
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: | 7 |
| First Seen: | September 18, 2025 |
| Last Seen: | March 15, 2026 |
| OS(es) Affected: | Windows |
The detection of Backdoor.Agent.XBL on your system indicates a potential security threat that requires immediate attention. This backdoor threat can compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malware infections or data breaches. It is essential to understand the nature of this threat and take prompt action to remove it and secure your system.
Table of Contents
What Is Backdoor.Agent.XBL?
Backdoor.Agent.XBL is a type of malware that operates as a backdoor, which means it can open a secret doorway into your computer system, allowing hackers to access and control it remotely. This can happen without your knowledge or consent, making it a significant security risk. Backdoors like Backdoor.Agent.XBL are designed to bypass security mechanisms and remain hidden, making them challenging to detect and remove.
How Backdoor.Agent.XBL Operates
Once installed on a system, Backdoor.Agent.XBL can communicate with its command and control servers to receive instructions and transmit stolen data. It can also download and install additional malware, creating a more extensive and complex threat landscape. The backdoor can be used for various malicious activities, including data theft, keystroke logging, and using the infected computer as a botnet for distributed denial-of-service (DDoS) attacks or spamming.
Symptoms of Infection
Identifying a Backdoor.Agent.XBL infection can be difficult due to its stealthy nature. However, some common symptoms may indicate the presence of a backdoor or other malware on your system. These include unexpected changes in system performance, such as slow speeds, frequent crashes, or unfamiliar programs and icons. Additionally, if you notice unusual network activity, such as increased data usage or unfamiliar connections, it could be a sign of a backdoor infection.
- Unexplained changes in system settings or performance
- Appearance of unfamiliar programs or icons
- Increased data usage or unfamiliar network connections
- Frequent system crashes or slow performance
How to Remove Backdoor.Agent.XBL
Removing Backdoor.Agent.XBL requires careful steps to ensure the malware is completely eradicated from your system. Follow these steps:
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This will help identify and remove all components of the Backdoor.Agent.XBL malware.
- Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs you are sure are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and perform another full scan with your anti-malware tool to ensure all remnants of the malware have been removed.
Conclusion
The detection and removal of Backdoor.Agent.XBL are critical steps in protecting your computer and personal data from potential harm. By understanding how backdoor threats operate and following the removal steps outlined, you can help secure your system and prevent future infections. Remember, maintaining up-to-date anti-malware software, being cautious with email attachments and downloads, and regularly scanning your system for threats are essential practices in keeping your digital environment safe and secure.
Analysis Report
General information
| Family Name: | Backdoor.Agent.XBL |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
9f1b33cae58ba54610ef87498b1dd835
SHA1:
83a02b1fd7ac423a05d77363b570d36732dfded6
SHA256:
DCBE0940EA22ADAC4E6F0285483BE719E5EC8C490CE56304E851378751C5A099
File Size:
7.00 MB, 6997504 bytes
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MD5:
d822d9762e6ab3db12b901d7d6c3cfe9
SHA1:
0169cfe8846a979a293dd97e795e3e1e3d8bbf63
SHA256:
4718B555A78307DBF8EDB975D5C174A9EAD53D38F9759A44C99A7E8FE7EB6ADD
File Size:
816.64 KB, 816640 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 relocations information
- File doesn't have security information
- File has exports table
- 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)
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 |
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| 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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| Original Filename |
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| Product Name |
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File Traits
- HighEntropy
- Installer Version
- 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: | 50 |
|---|---|
| Potentially Malicious Blocks: | 15 |
| Whitelisted Blocks: | 16 |
| Unknown Blocks: | 19 |
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.XBL
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 |
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| Syscall Use |
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