Trojan.MSIL.Downloader.BB
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: | 15,922 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 7,828 |
| First Seen: | April 16, 2021 |
| Last Seen: | July 12, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Downloader.BB on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its characteristics, and the steps you can take to remove it from your computer.
Table of Contents
What Is Trojan.MSIL.Downloader.BB?
Trojan.MSIL.Downloader.BB is a type of malware that falls under the broader category of Trojans. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and infiltrate computer systems. The name "Trojan.MSIL.Downloader.BB" suggests that it is designed to download additional malicious components from the internet, potentially leading to further system compromise.
How Trojan.MSIL.Downloader.BB Operates
Once installed, Trojan.MSIL.Downloader.BB can operate in various ways, depending on its intended purpose. It may download and install additional malware, such as keyloggers, ransomware, or spyware, which can steal sensitive information, encrypt files, or monitor user activity. The malware may also create backdoors, allowing remote access to the infected system, or modify system settings to disable security features.
Trojan.MSIL.Downloader.BB may exploit vulnerabilities in software or use social engineering tactics to trick users into installing it. It can spread through infected software downloads, email attachments, or malicious websites. The malware's primary goal is to remain undetected, allowing it to carry out its malicious activities without interruption.
Symptoms of Infection
Identifying a Trojan.MSIL.Downloader.BB infection can be challenging, as it may not exhibit obvious symptoms. However, some common signs of infection include slow system performance, unexpected pop-ups or advertisements, and unfamiliar programs or icons on the desktop. You may also notice unusual network activity, such as increased data usage or unfamiliar connections.
In some cases, the malware may cause system crashes, freezes, or errors, especially if it is interfering with system files or processes. If you suspect that your system is infected, it is essential to take immediate action to prevent further damage.
How to Remove Trojan.MSIL.Downloader.BB
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious components. Remove all detected threats and restart your computer.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time of 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 computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.
Conclusion
Removing Trojan.MSIL.Downloader.BB from your system requires a combination of technical knowledge and caution. By following the steps outlined in this report, you can effectively remove the malware and prevent further damage to your system. It is essential to remain vigilant and take proactive measures to protect your system from future threats, such as keeping your software up-to-date, using strong antivirus software, and avoiding suspicious downloads or links.
Remember that the removal of Trojan.MSIL.Downloader.BB is just the first step in securing your system. Ongoing monitoring and maintenance are crucial to preventing future infections and ensuring the integrity of your data.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Downloader.BB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
9cf97ec97f2f1a21c9e0dd1039106e6e
SHA1:
11438166f758dcc757f764e6fbc040122f6c0881
SHA256:
2F57062C491C5F122CE0E4D3E0EB618F2CDCE64402AF8D7C6019BC3ABBAD9C27
File Size:
20.99 KB, 20992 bytes
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MD5:
b45aef2d5c52b24b7fd92bfa92949532
SHA1:
0e96c914d593ad3b9bac43c7550fc4fa1a126d51
SHA256:
AA4760E71DB15DB34C96040A7038C0564526375091B6EBE043724BAAFD407FA4
File Size:
19.97 KB, 19968 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 | 0.0.0.0 |
| File Version | 0.0.0.0 |
| Internal Name |
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| Original Filename |
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| Product Version | 0.0.0.0 |
File Traits
- .NET
- 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: | 26 |
|---|---|
| Potentially Malicious Blocks: | 13 |
| Whitelisted Blocks: | 7 |
| Unknown Blocks: | 6 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\software\wow6432node\microsoft\tracing::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasapi32::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::enableautofiletracing | RegNtPreCreateKey |
Show More
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\tracing\rasmancs::filedirectory | %windir%\tracing | RegNtPreCreateKey |
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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| Anti Debug |
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| Other Suspicious |
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| Network Winsock2 |
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| Network Winsock |
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| Network Winhttp |
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| Network Info Queried |
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