Trojan.MSIL.Dropper.B
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: | 21,206 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 11,168 |
| First Seen: | January 7, 2013 |
| Last Seen: | July 6, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Dropper.B indicates that a potentially malicious program has been identified on your system. This type of threat is categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can have various functions, including data theft, remote access, and downloading additional malware. It's essential to address this issue promptly to prevent potential harm to your system and data.
Table of Contents
What Is Trojan.MSIL.Dropper.B?
Trojan.MSIL.Dropper.B is a type of malware that may be designed to download and install other malicious programs on your computer. The name suggests that it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of the .NET Common Intermediate Language. This allows the malware to potentially run on multiple platforms, making it more versatile and dangerous. Understanding the nature of this threat is crucial for effective removal and prevention of future infections.
How Trojan.MSIL.Dropper.B Operates
Malware like Trojan.MSIL.Dropper.B typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it may connect to command and control servers to receive instructions or download additional malware. This can lead to a range of malicious activities, including but not limited to, stealing personal data, logging keystrokes, or using your computer's resources for cryptocurrency mining. The exact operation can vary widely depending on the specific goals of the malware authors.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Dropper.B infection can be subtle and may not always be immediately apparent. Common signs include unexpected changes to your computer's behavior, such as slow performance, unfamiliar programs or icons, frequent pop-ups, or antivirus warnings. In some cases, you might notice that your browser's homepage has changed, or you're being redirected to unwanted websites. If you suspect that your computer is infected, it's crucial to take action to remove the malware as soon as possible.
How to Remove Trojan.MSIL.Dropper.B
- Boot your computer in Safe Mode with Networking. This will help prevent the malware from loading and make it easier to remove.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
- Uninstall any suspicious programs that you don't recognize or that were installed around the time you noticed the infection. Be cautious and only remove programs you're sure are safe to uninstall.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings that the malware may have altered.
- Reboot your computer and perform another scan with your anti-malware tool to ensure that the malware has been fully removed. Repeat this process until no more threats are detected.
Conclusion
Removing Trojan.MSIL.Dropper.B requires careful steps to ensure that all components of the malware are eliminated from your system. It's also important to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading files from the internet. By understanding how Trojans operate and taking proactive steps, you can significantly reduce the risk of malware infections and protect your digital security.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Dropper.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
27d6ff6740b538e9b8e1c111cfbd0912
SHA1:
ee31b25a73403260a2b1de333f87fa3cbca48a83
SHA256:
900F86FB33F1DB088ECC41784EFF1BC5121C0181FE4D319D6FDA2AEB5D8F710D
File Size:
17.76 KB, 17760 bytes
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MD5:
ac41c4470fec0e475d9ca1617425b1fa
SHA1:
3d6c7c3718bfc84f65dd860297e3762ab105e46a
SHA256:
372974841A82D7E703C8254AA8915CEE1DC57EE1FAE7602B555FD25B9F2C543C
File Size:
9.22 KB, 9216 bytes
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MD5:
983e4ad6e5a30d6675ccc5f84d7d8a9c
SHA1:
121e97284efd2f9b9fd25cc1d6aed033371de81c
SHA256:
3D857C91360CF3CD343596B84E9A65AAF509713D8A26CD7F9FC8CEF02232F379
File Size:
22.53 KB, 22528 bytes
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MD5:
28e0aa39ae106b9fbdc89366e13f1c62
SHA1:
4c53695548bc8d0e5594c993a874bb1fb076c359
SHA256:
C2B80EDCBAC10CF988631FDD2288F41806EF948B9ED224861E9A4AE8C8FE8DF0
File Size:
9.73 KB, 9728 bytes
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MD5:
022d7cc3fc7172f61c3c9b21ecfab5c3
SHA1:
c0258e77717bb880b38bcc8de78681770cf46240
SHA256:
D6DFF42883D1C1B66ACA04FC64A9191620CF73AB949CEFF7692EC38AAE052AE1
File Size:
9.73 KB, 9728 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have relocations information
- File doesn't have security information
- File is .NET application
- File is 32-bit executable
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
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- 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 |
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| Assembly Version |
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| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Original Filename |
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| Product Name |
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| Product Version |
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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 |
|---|---|---|
| CLEVO CO. | DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 | Self Signed |
File Traits
- .NET
- x64
- 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: | 11 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 9 |
| Unknown Blocks: | 2 |
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.Downloader.SRA
- MSIL.Dropper.BVE
- MSIL.Gamehack.KPA
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| \device\namedpipe | Generic Read,Write Attributes |
| \device\namedpipe | Generic Write,Read Attributes |
| \device\namedpipe\pshost.134032501483336096.5316.defaultappdomain.ee31b25a73403260a2b1de333f87fa3cbca48a83_0000017760 | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_5qihnhb5.f1x.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_qf3qv44y.gwa.psm1 | Generic Write,Read Attributes |
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\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\explorer.exe | ⺪颾ⷙǜ | 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 |
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| Syscall Use |
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26 additional items are not displayed above. |
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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| Other Suspicious |
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| Process Shell Execute |
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| Process Manipulation Evasion |
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| Keyboard Access |
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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\explorer.exe" shell:appsFolder\CLEVOCO.FnhotkeysandOSD_6h6z29zh29qx0!App
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