Threat Database Trojans Trojan.Meterpreter.B

Trojan.Meterpreter.B

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 347
First Seen: January 19, 2013
Last Seen: September 22, 2025
OS(es) Affected: Windows

The detection of Trojan.Meterpreter.B indicates a potential threat to your computer's security and integrity. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage. This report aims to provide you with the necessary information and guidance to effectively deal with Trojan.Meterpreter.B and secure your system.

What Is Trojan.Meterpreter.B?

Trojan.Meterpreter.B is a type of malicious software, or malware, that can compromise the security of your computer. The term "Trojan" refers to a broad category of malware that disguises itself as legitimate software to gain unauthorized access to a system. Trojan.Meterpreter.B is identified as a specific variant within this category, but its exact characteristics and behaviors can vary. Malware like Trojan.Meterpreter.B can be designed to perform a wide range of harmful activities, including data theft, system compromise, and the distribution of additional malware.

How Trojan.Meterpreter.B Operates

Malware such as Trojan.Meterpreter.B typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can communicate with its creators or other malicious servers to receive instructions or upload stolen data. The operation of Trojan.Meterpreter.B can involve complex interactions with the infected system and external entities, making it challenging to detect and remove without proper tools and expertise.

Symptoms of Infection

Systems infected with Trojan.Meterpreter.B may exhibit a variety of symptoms, although some infections can remain asymptomatic until significant damage has been done. Common indicators of a malware infection include unusual system behavior, such as unexpected pop-ups, slow performance, or frequent crashes. Additionally, users might notice unauthorized changes to their system settings, unfamiliar programs, or suspicious network activity. It is crucial to be vigilant and investigate any unusual activity on your computer to prevent and address potential infections.

How to Remove Trojan.Meterpreter.B

  1. Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove Trojan.Meterpreter.B and any associated malware.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time of the infection.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.

It is also a good practice to change passwords for all accounts that were accessed on the infected computer and to monitor your financial and personal information for any signs of unauthorized activity.

Conclusion

The detection and removal of Trojan.Meterpreter.B require careful attention to detail and the use of appropriate security tools. By understanding the nature of this threat and following the steps outlined in this report, you can effectively remove Trojan.Meterpreter.B from your system and take important steps towards securing your computer against future malware infections. Remember, maintaining up-to-date security software, being cautious when installing new programs, and regularly scanning your system for malware are essential practices for protecting your digital security and privacy.

Analysis Report

General information

Family Name: Trojan.Meterpreter.B
Signature status: No Signature

Known Samples

MD5: c2fd43c0c125c2be2eb5f596e382fd2c
SHA1: c7e50d817766a104fcd0dabceee5f6bd7fb73c53
SHA256: 1D3FA995D39CBB337679B1E2A61F90CB66A7A7BAC82411C48BF86B26BDFD8033
File Size: 109.06 KB, 109056 bytes
MD5: 689ccfb8993379bef66aba2b6ba7af1a
SHA1: a1aaabec9b566de6d65f03fb7342d263015c64fa
SHA256: 0E6F4097F5449B2EBF72AEC5CB5B5C2B7CD6BCC674FC35CB2C548AB1AC900662
File Size: 257.02 KB, 257024 bytes

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 resources
  • File doesn't have security information
  • File has exports table
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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  • 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 Traits

  • 2+ executable sections
  • dll
  • No Version Info
  • x64

Block Information

Total Blocks: 126
Potentially Malicious Blocks: 31
Whitelisted Blocks: 95
Unknown Blocks: 0

Visual Map

x x x x x x x x x x x x x x x x x x x x x 0 0 x x x x x 0 0 x x 0 0 x x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
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  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • 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!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap
  • win32u.dll!NtGdiSetDIBitsToDeviceInternal
  • win32u.dll!NtUserBuildHwndList
  • win32u.dll!NtUserCallTwoParam
  • win32u.dll!NtUserCreateEmptyCursorObject
  • win32u.dll!NtUserCreateWindowEx
  • win32u.dll!NtUserDestroyWindow
  • win32u.dll!NtUserFindExistingCursorIcon
  • win32u.dll!NtUserGetAncestor
  • win32u.dll!NtUserGetClassInfoEx
  • win32u.dll!NtUserGetClassName
  • win32u.dll!NtUserGetDC
  • win32u.dll!NtUserGetGUIThreadInfo
  • win32u.dll!NtUserGetIconInfo
  • win32u.dll!NtUserGetIconSize
  • win32u.dll!NtUserGetImeInfoEx
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetObjectInformation
  • win32u.dll!NtUserGetProcessWindowStation
  • win32u.dll!NtUserGetProp
  • win32u.dll!NtUserGetThreadDesktop
  • win32u.dll!NtUserGetThreadState
  • win32u.dll!NtUserGetWindowCompositionAttribute
  • win32u.dll!NtUserIsNonClientDpiScalingEnabled
  • win32u.dll!NtUserIsTopLevelWindow
  • win32u.dll!NtUserMessageCall
  • win32u.dll!NtUserRegisterClassExWOW
  • win32u.dll!NtUserRegisterWindowMessage
  • win32u.dll!NtUserReleaseDC
  • win32u.dll!NtUserRemoveProp
  • win32u.dll!NtUserSelectPalette
  • win32u.dll!NtUserSetCursorIconData
  • win32u.dll!NtUserSetWindowFNID
  • win32u.dll!NtUserSetWindowLongPtr
  • win32u.dll!NtUserSetWindowPos
  • win32u.dll!NtUserUpdateInputContext

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