Trojan.MSIL.Krypt.MBBYC
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: | May 10, 2023 |
| Last Seen: | March 15, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.MBBYC on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, potentially leading to unauthorized access, data theft, and other malicious activities. 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 Trojan.MSIL.Krypt.MBBYC?
Trojan.MSIL.Krypt.MBBYC is a type of Trojan horse malware that can infect your computer through various means, such as downloading malicious software, opening infected email attachments, or visiting compromised websites. The name "Trojan" refers to the malware's ability to disguise itself as a legitimate program or file, allowing it to evade detection and gain unauthorized access to your system. The "MSIL" part of the name suggests that the malware is written in Microsoft Intermediate Language, which is a platform-agnostic language used by the .NET Framework.
How Trojan.MSIL.Krypt.MBBYC Operates
Once installed, Trojan.MSIL.Krypt.MBBYC can operate in the background, secretly performing malicious activities without your knowledge or consent. It may connect to remote servers to receive updates, transmit stolen data, or download additional malware. The malware may also attempt to disable security software, create backdoors, or exploit vulnerabilities to gain elevated privileges. Its primary goal is to compromise your system's security and integrity, potentially leading to financial loss, identity theft, or other serious consequences.
Symptoms of Infection
Infected systems may exhibit various symptoms, including slow performance, frequent crashes, or unusual network activity. You may also notice unfamiliar programs or icons on your desktop, or receive unexpected pop-ups, alerts, or warnings. In some cases, the malware may not display any visible symptoms, making it difficult to detect without the aid of security software. If you suspect that your system is infected, it is crucial to take immediate action to prevent further damage.
How to Remove Trojan.MSIL.Krypt.MBBYC
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
- Run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
- Uninstall any suspicious programs or applications that may be related to the malware.
- 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 run another full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.MSIL.Krypt.MBBYC requires a combination of technical expertise and caution. By following the steps outlined above and taking proactive measures to secure your system, you can help prevent future infections and protect your personal data. Remember to always be vigilant when downloading software, opening email attachments, or visiting websites, and to keep your security software up to date to ensure the best possible protection against malware and other online threats.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.MBBYC |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
d419cdfaf3d28fd448ead2ba782ba3a5
SHA1:
07b75e55251d106255b5aa2d14fcc4e7273181b8
SHA256:
9ED0D03018ED8C7B0492A21ABA47F76A2015334E47821BB7D4067E335885D726
File Size:
257.54 KB, 257536 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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| File Description | usb loader host |
| File Version | 1.0.0.0 |
| Internal Name | UpgradeFirmware.exe |
| Legal Copyright | Copyright © 2010 |
| Original Filename | UpgradeFirmware.exe |
| Product Name | usb loader host |
| 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: | 118 |
|---|---|
| Potentially Malicious Blocks: | 54 |
| Whitelisted Blocks: | 64 |
| 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.Krypt.MBBYC
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 |
|
| Anti Debug |
|
