Trojan.Downloader.Gen.BC
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: | 80 % (High) |
| Infected Computers: | 119 |
| First Seen: | November 22, 2025 |
| Last Seen: | November 29, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.Gen.BC on your system indicates a potential security threat that requires immediate attention. This type of threat is categorized as a Trojan, which is a broad term for malicious software that disguises itself as legitimate to gain unauthorized access to a computer system. Trojans can lead to a variety of issues, including data theft, system compromise, and the installation of additional malware.
Table of Contents
What Is Trojan.Downloader.Gen.BC?
Trojan.Downloader.Gen.BC is a generic detection name given to a type of Trojan horse that has the capability to download additional malware onto an infected system. The ".Gen" in its name suggests that it is a generic detection, meaning it is not a specific, known malware but rather a classification based on its behavior. The "BC" could refer to specific characteristics or behaviors of the malware that distinguish it from other Trojans. This type of malware is designed to evade detection by traditional antivirus software, making it a significant threat to system security.
How Trojan.Downloader.Gen.BC Operates
Trojan.Downloader.Gen.BC, like other Trojans, operates by disguising itself as a legitimate program or file to trick users into installing it on their systems. Once installed, it can download and install other types of malware, including viruses, spyware, adware, and ransomware. This malware can communicate with its command and control servers to receive instructions, download updates, or exfiltrate data from the infected system. The primary goal of Trojan.Downloader.Gen.BC is to compromise system security and provide a conduit for other malicious activities.
Symptoms of Infection
Symptoms of a Trojan.Downloader.Gen.BC infection can vary widely depending on the specific malware downloaded and the intentions of the attackers. Common symptoms include slow system performance, frequent crashes, unexpected pop-ups, and changes to browser settings or homepage. In some cases, the infection may not exhibit noticeable symptoms, making it difficult for users to detect without the aid of security software.
- Unexplained changes in system or browser settings
- Appearance of unwanted programs or tools
- Slow system performance or frequent crashes
- Unusual network activity
How to Remove Trojan.Downloader.Gen.BC
- Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow for the installation of removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove all traces of the malware.
- Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes.
- Reboot your system and perform another full scan with your anti-malware tool to ensure that all malware has been removed.
Conclusion
The removal of Trojan.Downloader.Gen.BC requires careful and immediate action to prevent further system compromise. By following the steps outlined above and maintaining vigilance in terms of system security, users can protect themselves against this and other types of malware threats. Regular updates to operating systems and security software, along with cautious browsing habits, are key to preventing infections. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is thoroughly cleaned and secured.
Analysis Report
General information
| Family Name: | Trojan.Downloader.Gen.BC |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
99d4fdd8c910900ce22f549bc4da70ec
SHA1:
417c6b62a8413b806695c3705fad852eacdd99e3
SHA256:
BDEC41DED403A561C8C2DC3762D06B8633BBA88B9C43042504F43CA64991AF35
File Size:
1.83 MB, 1830512 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File has exports table
- 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
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- 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 |
|---|---|
| Comments | wxWidgets cross-platform GUI framework |
| Company Name | wxWidgets development team |
| File Description | wxWidgets base library |
| File Version | 3.2.5 |
| Internal Name | wxbase32u_gcc_custom |
| Legal Copyright | Copyright © 1992-2024 wxWidgets development team |
| Original Filename | wxbase32u_gcc_custom.dll |
| Product Name | wxWidgets |
| Product Version | 3.2.5 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| Tim Kosse | Tim Kosse | Self Signed |
File Traits
- dll
- 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: | 12,287 |
|---|---|
| Potentially Malicious Blocks: | 1,740 |
| Whitelisted Blocks: | 10,537 |
| Unknown Blocks: | 10 |
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.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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