Backdoor.MSIL.Orcus.J
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: | 57 |
| First Seen: | August 30, 2024 |
| Last Seen: | March 29, 2026 |
| OS(es) Affected: | Windows |
The detection of Backdoor.MSIL.Orcus.J on a system indicates a serious security threat that requires immediate attention. This backdoor threat is designed to allow unauthorized access to a compromised computer, potentially leading to significant data breaches and other malicious activities. Understanding the nature of this threat and how it operates is crucial for effective removal and prevention of future infections.
Table of Contents
What Is Backdoor.MSIL.Orcus.J?
Backdoor.MSIL.Orcus.J is identified as a backdoor threat, which means it is a type of malware that allows hackers to remotely access and control a compromised computer. The specifics of how this particular threat is classified or named do not necessarily tie it to a known malware family without further context, but its backdoor capabilities pose a significant risk to system security and user data. Backdoors like Backdoor.MSIL.Orcus.J can be used for a variety of malicious purposes, including data theft, installation of additional malware, and exploitation of system resources for spamming, cryptocurrency mining, or as part of a botnet.
How Backdoor.MSIL.Orcus.J Operates
The operation of Backdoor.MSIL.Orcus.J involves creating a covert communication channel between the compromised computer and the command and control (C&C) server operated by the attackers. This channel allows the attackers to issue commands and receive data from the compromised system. The exact mechanisms used by Backdoor.MSIL.Orcus.J for establishing and maintaining this connection can vary and may involve exploiting vulnerabilities in software, using social engineering tactics to trick users into installing the malware, or leveraging existing infections to spread laterally within a network.
Symptoms of Infection
Identifying an infection by Backdoor.MSIL.Orcus.J can be challenging due to its stealthy nature. However, some common symptoms of a backdoor infection include unusual network activity, slow system performance, unexpected changes to system settings, and increased incidence of pop-ups or other unwanted advertisements. In some cases, the presence of a backdoor may not be immediately apparent, making regular system monitoring and antivirus scans crucial for early detection.
- Unexplained changes in system behavior or configuration
- Increased CPU usage without a clear cause
- Network activity that cannot be attributed to installed applications
- Appearance of unfamiliar programs or icons
How to Remove Backdoor.MSIL.Orcus.J
- Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of the system using a reputable antivirus tool, such as SpyHunter, to detect and remove all components of the malware.
- Uninstall suspicious programs that were installed without your knowledge or consent, as these may be related to the backdoor infection.
- Reset web browsers like Chrome, Firefox, and Edge to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot the system and perform another scan to ensure that all malware components have been successfully removed.
Conclusion
The removal of Backdoor.MSIL.Orcus.J requires a thorough and multi-step approach to ensure that all components of the malware are eliminated from the system. It is also essential to adopt preventive measures, including keeping software up-to-date, using strong antivirus protection, and practicing safe computing habits, to reduce the risk of future infections. By understanding the nature of backdoor threats and taking proactive steps, users can significantly enhance the security of their computers and protect their sensitive data from unauthorized access.
Analysis Report
General information
| Family Name: | Backdoor.MSIL.Orcus.J |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
158fb395471fc9913054f245f73d54f6
SHA1:
da9c856608eadd5da93da889b78140eb1c2f94ff
SHA256:
71253773B0A4F8E83EEE6242013819481051629C9C7723837D88DDC7C450CA46
File Size:
405.50 KB, 405504 bytes
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MD5:
1c1999ac1b0eca7a0e877000f8a2dbcb
SHA1:
095970e06867107e2034e5f9943d9db0d29313ec
SHA256:
E80060D9BDC38A2FE1C512FCE2DD24433F8C814C5B03B9380B6D3CCB64B0F813
File Size:
405.50 KB, 405504 bytes
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MD5:
412d910ad119fdf126fb5996d44cf57e
SHA1:
7ce4b6db020f111bdfab178f9001988e6d809850
SHA256:
4F7A902E92A0A58BBEC8465715E90FC4DFF4739356EC7A21A887FBCF9B7C21EE
File Size:
405.50 KB, 405504 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)
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 |
|---|---|
| App Host | .NET Runtime Bootstrapper v2.5.4 (GUI) |
| Assembly Version | 1.0.0.0 |
| Company Name | Articy Software GmbH & Co. KG |
| File Description | ArticyDraft |
| File Version |
|
| Internal Name | ArticyDraft.exe |
| Legal Copyright |
|
| Original Filename | ArticyDraft.exe |
| Product Name | articy:draft X |
| Product Version | 1.0.0 |
File Traits
- .NET
- ntdll
- 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: | 463 |
|---|---|
| Potentially Malicious Blocks: | 158 |
| Whitelisted Blocks: | 305 |
| 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.- MSIL.Orcus.C
- MSIL.Orcus.D
- MSIL.Orcus.F
- MSIL.Orcus.J
- Orcus.J
Show More
- Orcus.L
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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| User Data Access |
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| Anti Debug |
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