Trojan.MSIL.Dropper.JB
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: | 13,083 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 75 |
| First Seen: | January 26, 2022 |
| Last Seen: | June 4, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Dropper.JB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate your computer and cause harm, making it essential to understand its nature and take steps to remove it. In this report, we will provide an overview of Trojan.MSIL.Dropper.JB, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.
Table of Contents
What Is Trojan.MSIL.Dropper.JB?
Trojan.MSIL.Dropper.JB is a type of Trojan horse malware that can infect your computer without your knowledge or consent. The name "Trojan" refers to the malware's ability to disguise itself as a legitimate program or file, allowing it to bypass security measures and gain 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. The "Dropper" term indicates that this malware is designed to drop or install additional malicious components on your system.
How Trojan.MSIL.Dropper.JB Operates
Trojan.MSIL.Dropper.JB operates by exploiting vulnerabilities in your system's security to gain unauthorized access. Once inside, it can drop additional malware components, such as viruses, worms, or spyware, which can cause further damage to your system. This malware can also communicate with its creators or other malicious servers to receive instructions or transmit stolen data. Its primary goal is to compromise your system's security and steal sensitive information, such as login credentials, financial data, or personal files.
Symptoms of Infection
Infected systems may exhibit various symptoms, including slow performance, frequent crashes, or unexpected behavior. You may notice unfamiliar programs or icons on your desktop, or receive suspicious pop-ups or alerts. In some cases, your antivirus software may detect and alert you to the presence of malware. However, Trojan.MSIL.Dropper.JB is designed to evade detection, so it's possible that your system may not display any obvious symptoms until it's too late.
How to Remove Trojan.MSIL.Dropper.JB
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, which can detect and remove Trojan.MSIL.Dropper.JB and other malicious components.
- Uninstall any suspicious programs or applications that you don't recognize or that were installed recently. This can help prevent the malware from spreading or reinstalling itself.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This can help remove any malicious extensions or add-ons that may be associated with the malware.
- Reboot your system and run a full scan with your anti-malware tool to ensure that all malicious components have been removed. Repeat this process until your system is clean and no further threats are detected.
Conclusion
Removing Trojan.MSIL.Dropper.JB from your system requires a combination of technical knowledge and the right tools. By following the steps outlined in this report, you can help protect your system from this and other types of malware. Remember to always be cautious when downloading software or clicking on links from unfamiliar sources, and keep your operating system and security software up to date to prevent future infections. If you're unsure about any aspect of the removal process, consider seeking the help of a professional or contacting a reputable security support service for assistance.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Dropper.JB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
b7464b2c1b56eb87265a4bcce5be0191
SHA1:
5e2c302f7be1bc3df470b04b37253a19cfc9a03a
SHA256:
EDC129D27A2B4DE50AAD73F6685FC3E5C75744601EEC5AA197C67299C6B9B823
File Size:
45.06 KB, 45056 bytes
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MD5:
54fe60e3a5d0c65765b1e1d5a1640a25
SHA1:
c43886fb76acdb33b0101f2c6a7aaae279ca3d48
SHA256:
F2304249142460E270B11989AD4E5534488A40C257E9D7EEC78A3627574A8094
File Size:
4.22 MB, 4219904 bytes
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MD5:
67824ad8032fee6fd64a83ea2b1ded45
SHA1:
d47a3e0c48b7a07f5e4e50479d200b84fe001a6a
SHA256:
CB06827C809E5D41A022FD8232850CFBDCE485A8FFC36042AE48CA8FEECF6AE6
File Size:
351.74 KB, 351744 bytes
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MD5:
22fc6161f68d491b11cd0bd9132a9928
SHA1:
39af0aeec6d30d4550b78239d82118dc431edde4
SHA256:
13F90141C4E084D12FA1F09E68B0D66CDF51A695D731766DCC2926C494B68DE7
File Size:
130.56 KB, 130560 bytes
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MD5:
5983b270be5eb4b9edfdcbad5109f8c7
SHA1:
b331f63164a42b7c6c262ec6d8eff7eaa083d5c2
SHA256:
EE1470A93F9428233BEC41F737C627EFBEC5F9557FB53597AE8130BC610DFD6E
File Size:
4.22 MB, 4220416 bytes
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MD5:
e70de050197d7e091d12b10d0bd1e110
SHA1:
df6de5e0a4dc319a8536a4ef39405af4ab727903
SHA256:
87EFD1BC8DA80080454C1B2E5BE226C94C886F883F10DB48C2E6F6FECF22FBAD
File Size:
135.74 KB, 135740 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- 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)
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- 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 |
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| Comments |
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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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| Legal Trademarks | ertrettretre r re t ert re t ert retretqqewqe qw e wqe wq e qw eq we |
| Original Filename |
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| Product Name |
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| Product Version |
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File Traits
- .NET
- .sdata
- HighEntropy
- NewLateBinding
- ntdll
- RijndaelManaged
- Run
- Stealer
- 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: | 198 |
|---|---|
| Potentially Malicious Blocks: | 28 |
| Whitelisted Blocks: | 170 |
| 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.Agent.XGG
- MSIL.Flooder.X
- MSIL.HackAgent.RTA
- MSIL.HackAgent.X
- MSIL.NetSeal.A
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- MSIL.PSW.Agent.XC
- MSIL.Stealer.EAE
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\gmdasllogger | Generic Write,Read Attributes |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\windows\appcompat\programs\amcache.hve | Read Data,Read Control,Write Data |
| c:\windows\appcompat\programs\amcache.hve | Write Attributes |
| c:\windows\appcompat\programs\amcache.hve.log1 | Read Data,Write Data |
| c:\windows\appcompat\programs\amcache.hve.log2 | Read Data,Write Data |
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\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | �j � 8��81��B �v y� xy �� �a ۀT�B� ����1���� �5����eeBx �<�� �7 �!wz "M)"Wc#�#��$kF$�� %"�%:� %�&� &�-&�x'�(�(X�)�`*J*9*�^+�[+��,=� ,��/9� /��1�1HO 1�D5�G6�� 9ߔ | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | �ӹ ��J� 6 +z� �,�� +z� �Tg 9 _7 ��mw� �� ����7 Z �� �< | � �3 �0�� J �4 ��� �4 ��� l N�� ��p�6 / �� O%\� | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | 쐎ȳ耀렰쀆 _ 鐄ȴ耀ᄟ Ǜ 鐄ȴ 鲱 炻 켜ʚ꺇뺶 켜ʚ꺇뺶 ګ 켜ʚ꺇뺶 켜ʚ릵犱 쎫ʝ耀誙꣗ߦ ś 洎ʫ赲荓 㼁 洎ʫ赲荓 ̚ 洎ʫ艄콘 | 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 |
|---|---|
| Syscall Use |
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1 additional items are not displayed above. |
| User Data Access |
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| Anti Debug |
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| Process Shell Execute |
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| Encryption Used |
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| Process Manipulation Evasion |
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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\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 860
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 852
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 816
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 760
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 844
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C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 756
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