Trojan.Kryptik.BBJ
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: | 4 |
| First Seen: | April 21, 2025 |
| Last Seen: | February 6, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Kryptik.BBJ 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 operational mechanics, symptoms of infection, and most importantly, a step-by-step guide on how to remove it from your computer.
Table of Contents
What Is Trojan.Kryptik.BBJ?
Trojan.Kryptik.BBJ is identified as a Trojan-type threat. Trojans are malicious programs that can sneak onto your computer and allow unauthorized access to your system, potentially leading to data theft, system damage, or the installation of additional malware. The name itself does not specify a known malware family, but its classification as a Trojan indicates its capabilities and potential impact.
How Trojan.Kryptik.BBJ Operates
Trojan.Kryptik.BBJ, like other Trojans, is designed to operate stealthily. It may disguise itself as a legitimate program or file to trick users into installing it. Once installed, it can create a backdoor on the infected computer, allowing remote access to the attacker. This access can be used for a variety of malicious purposes, including data theft, keystroke logging, or using the infected computer as part of a botnet for distributing spam or launching DDoS attacks.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common signs include unusual system behavior such as slow performance, frequent crashes, or pop-ups and unexpected changes to your computer settings. Additionally, you might notice that your antivirus software is disabled or that certain programs do not function as expected. In some cases, the presence of a Trojan might only be discovered during a routine scan by security software.
How to Remove Trojan.Kryptik.BBJ
- Enter Safe Mode with Networking to prevent the malware from loading and to ensure you have internet access for downloading removal tools. This can usually be done by restarting your computer and pressing a specific key (often F8) during boot-up to access the Advanced Boot Options menu.
- Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the Trojan.
- Uninstall suspicious programs that you do not recognize or that were installed around the time you suspect the infection occurred. This can be done through the Control Panel or Settings app, depending on your operating system.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan. Each browser has a slightly different process for resetting, so you may need to consult the browser's help documentation.
- Reboot your computer and perform another scan with your anti-malware tool to ensure that the Trojan and any associated malware have been completely removed.
Conclusion
Removing Trojan.Kryptik.BBJ requires careful and methodical steps to ensure your system is thoroughly cleaned and protected against future infections. It's crucial to remain vigilant and keep your security software updated. Regularly scanning your computer for malware and being cautious when opening email attachments or downloading software from the internet can help prevent similar infections in the future. If you're unsure about any part of the removal process, consider seeking help from a professional to ensure your system is completely secure.
Analysis Report
General information
| Family Name: | Trojan.Kryptik.BBJ |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
a3298ab6f5778e0bf9fba9ea3e3742b1
SHA1:
073744156ee82333b587b5e7efaef44ae464854a
SHA256:
ADE64B6A911D3C4F2EBAB0D8AF62BDAFF77CE40C9EDA69E66F9BF9773BEAA85B
File Size:
309.56 KB, 309560 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File has TLS information
- File is 32-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
- 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 |
|---|---|
| Company Name | Macrovision Corporation |
| File Description | Setup.exe |
| File Version | 12.0.49974 |
| Internal Name | Setup |
| Legal Copyright | Copyright (C) 2006 Macrovision Corporation |
| Original Filename | Setup.exe |
| Product Name | InstallShield |
| Product Version | 12.0 |
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 |
|---|---|---|
| Microsoft Corporation | Microsoft Root Authority | Hash Mismatch |
File Traits
- HighEntropy
- Installer Version
- 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: | 271 |
|---|---|
| Potentially Malicious Blocks: | 32 |
| Whitelisted Blocks: | 234 |
| Unknown Blocks: | 5 |
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.- Kryptik.BBJ
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 |
|---|---|
| Process Shell Execute |
|
Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\Windows\System32\chlen.exe (NULL)
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