Backdoor.MSIL.Remcos.BO
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: | 1 |
| First Seen: | November 4, 2024 |
| Last Seen: | December 5, 2025 |
| OS(es) Affected: | Windows |
The detection of Backdoor.MSIL.Remcos.BO on your system indicates a serious security threat that requires immediate attention. This backdoor threat can potentially allow unauthorized access to your computer, compromising your personal data and system security. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Backdoor.MSIL.Remcos.BO?
Backdoor.MSIL.Remcos.BO is a type of malware that operates as a backdoor, which means it can allow unauthorized access to your computer system. The name suggests it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of the .NET Common Intermediate Language (CIL). This type of malware can be particularly dangerous because it can be used to install additional malware, steal sensitive information, or even give attackers control over your system.
How Backdoor.MSIL.Remcos.BO Operates
Backdoor malware typically operates by creating a covert communication channel between your computer and a command and control server operated by the attackers. Through this channel, attackers can send commands to your computer, potentially leading to a range of malicious activities, including data theft, installation of additional malware, or use of your computer as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming. The specific operations of Backdoor.MSIL.Remcos.BO would depend on the intentions of the attackers and the capabilities programmed into the malware.
Symptoms of Infection
Symptoms of a backdoor infection can be subtle and may not always be immediately apparent. However, common signs include unusual network activity, slow system performance, unexpected changes to system settings, or the appearance of unfamiliar programs or files. In some cases, there may be no noticeable symptoms at all, which is why regular system monitoring and the use of antivirus software are crucial for detecting and removing threats like Backdoor.MSIL.Remcos.BO.
How to Remove Backdoor.MSIL.Remcos.BO
- Enter Safe Mode with Networking to prevent the malware from loading and to ensure you have internet access to download removal tools.
- Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove the malware. Ensure your antivirus software is updated with the latest definitions before running the scan.
- Uninstall any 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) to their default settings to remove any malicious extensions or settings changes made by the malware.
- After completing the above steps, reboot your computer and perform another full system scan to ensure that the malware has been completely removed.
Conclusion
Removing Backdoor.MSIL.Remcos.BO requires careful and immediate action to prevent further damage to your system and to protect your personal data. By following the steps outlined above and maintaining good cybersecurity practices, such as regularly updating your operating system and software, using strong, unique passwords, and being cautious with email attachments and links, you can significantly reduce the risk of future infections. Remember, prevention and vigilance are key components of protecting your digital security in today's online environment.
Analysis Report
General information
| Family Name: | Backdoor.MSIL.Remcos.BO |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
314f0031f3d9d29023a3bf175f89e539
SHA1:
273cc8fb83f671848e1f35d0224155a8e5ed9555
SHA256:
3EC91E2A83B097085F4294F78B64C18EA33A9C13910800F223111A0A5A58DFB0
File Size:
1.19 MB, 1194496 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- File is .NET application
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
- 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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| File Description | Proyecto |
| File Version | 1.0.0.0 |
| Internal Name | Proyecto.exe |
| Legal Copyright | Copyright © 2025 |
| Original Filename | Proyecto.exe |
| Product Name | Proyecto |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- HighEntropy
- x86
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: | 3,131 |
|---|---|
| Potentially Malicious Blocks: | 26 |
| Whitelisted Blocks: | 2,950 |
| Unknown Blocks: | 155 |
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 |
|---|---|
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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