Threat Database Trojans Trojan.MSIL.Downloader.BWC

Trojan.MSIL.Downloader.BWC

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 19,879
Threat Level: 80 % (High)
Infected Computers: 26
First Seen: April 3, 2025
Last Seen: May 25, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Downloader.BWC on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating mechanisms, symptoms of infection, and steps to remove it from your system. It is essential to understand that Trojans are malicious programs designed to allow unauthorized access to a computer system, and their presence can lead to significant security breaches and data theft.

What Is Trojan.MSIL.Downloader.BWC?

Trojan.MSIL.Downloader.BWC is identified as a Trojan-type threat, which means it is designed to deceive users into installing it on their systems by disguising itself as a legitimate program. The name suggests it may be involved in downloading additional malicious components, which could further compromise system security. Understanding the nature of this threat is crucial for taking appropriate measures to secure your system and data.

How Trojan.MSIL.Downloader.BWC Operates

Trojan horses, including Trojan.MSIL.Downloader.BWC, typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can perform a variety of malicious actions, such as stealing sensitive information, installing additional malware, or providing unauthorized access to the infected system. The specific operations of Trojan.MSIL.Downloader.BWC may include downloading and installing other malware components, which can lead to a range of malicious activities on the infected system.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely but may include unusual system behavior, such as unexpected pop-ups, slow system performance, or unfamiliar programs running in the background. Users may also notice changes in their browser settings or the presence of unwanted toolbars. In some cases, the infection may not exhibit noticeable symptoms, making it difficult for users to detect without the aid of security software.

How to Remove Trojan.MSIL.Downloader.BWC

  1. Enter Safe Mode with Networking to prevent the malware from spreading or interfering with the removal process. This mode allows you to use the internet to download necessary tools while limiting the malware's ability to launch.
  2. Perform a full scan of your system using 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 threat.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time the infection was detected. Be cautious and only uninstall programs you are certain are malicious or unnecessary.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This step can help remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your system and perform another full scan to ensure that the malware has been completely removed. This step is crucial as some malware may only be fully removable after a system restart.

Conclusion

Removing Trojan.MSIL.Downloader.BWC requires careful and methodical steps to ensure the malware is completely eradicated from your system. It is also essential 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 software from the internet. By understanding the threat and taking the necessary steps to remove it, you can protect your system and data from potential harm.

Analysis Report

General information

Family Name: Trojan.MSIL.Downloader.BWC
Signature status: No Signature

Known Samples

MD5: 4cc61e3edf915491903d8d5c1a00a006
SHA1: 40178649ac3caaffabf00961271b3c03fa4485e7
SHA256: 7C953DCAF7CBCAC144EB667965D068FFE6CB3530E1ED7031A5AEB59EC1E97A09
File Size: 66.05 KB, 66048 bytes
MD5: c349676a9ce48e0f184efae1db43bb7e
SHA1: c10d52e53ff4ad171afafe739dcc9b18e2db9c0f
SHA256: C5498081B6CF1AABEB5DD17F810C16FD032EE4EBE2419EB5CC63C2C98D614EE8
File Size: 7.46 MB, 7455232 bytes
MD5: a01f04a55d008fdd7004780e55650c61
SHA1: 340d989f5cf0907b696f4e54cef64e44f47fb668
SHA256: 7704B1653279055ECEAD23242B01918F611869E20080B7587802862EA7EE6529
File Size: 8.64 MB, 8642048 bytes
MD5: 98f366f9cb6a48e5d3d4baea57eabfa2
SHA1: c93bcde22124269652c3047da0b33c65e53aa7e1
SHA256: CA88C54EB7FD82B55DB9A005E2275CDD2A5B99B37EB47069A005A8B9412013CB
File Size: 66.05 KB, 66048 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)

Windows PE Version Information

Name Value
Assembly Version
  • 3.0.0.0
  • 1.0.0.0
Comments
  • Dynamic extension that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network. Dynamic extension that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network. jufa_4195 Dynamic extension that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network.
  • Innovative platform that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network. Innovative platform that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network. jufaj_2169 Innovative platform that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network.
Company Name
  • Dynamic extension that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network.
  • Innovative platform that boosts your workflow. Versatile assistant that monitors your connectivity. Dynamic solution that customizes your network.
File Description
  • ixeyu_7899
  • ixe_6110
  • SolaraUpdaterV3
File Version
  • 3.0.0.0
  • 1.0.0.0
Internal Name
  • jufaj_2169.exe
  • jufa_4195.exe
  • SolaraUpdaterV3.exe
Legal Copyright
  • Copyright © 2024
  • Copyright © 2025
Original Filename
  • jufaj_2169.exe
  • jufa_4195.exe
  • SolaraUpdaterV3.exe
Product Name
  • ixeyu_7899
  • ixe_6110
  • SolaraUpdaterV3
Product Version
  • 3.0.0.0
  • 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x86

Block Information

Total Blocks: 74
Potentially Malicious Blocks: 25
Whitelisted Blocks: 49
Unknown Blocks: 0

Visual Map

0 0 0 0 0 0 0 0 x x x x 0 x x 0 0 x 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 0 0 x 0 x 0 x 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
Show More
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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