Threat Database Trojans Trojan.MSIL.Webshell.DC

Trojan.MSIL.Webshell.DC

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 23,444
Threat Level: 80 % (High)
Infected Computers: 34
First Seen: May 8, 2023
Last Seen: May 2, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Webshell.DC indicates that your system has been compromised by a potentially malicious threat. This type of threat is designed to provide unauthorized access to your system, allowing attackers to execute malicious commands and steal sensitive information. It is essential to take immediate action to remove the threat and prevent further damage.

What Is Trojan.MSIL.Webshell.DC?

Trojan.MSIL.Webshell.DC is a type of Trojan horse malware that can be used to create a backdoor on your system. This allows attackers to access your system remotely, bypassing security measures and executing malicious code. The "MSIL" in the detection name refers to the Microsoft Intermediate Language, which is a programming language used by the.NET Framework. The "Webshell" part of the name suggests that the malware may be used to create a web-based backdoor, allowing attackers to access your system through a web interface.

How Trojan.MSIL.Webshell.DC Operates

Trojan.MSIL.Webshell.DC operates by exploiting vulnerabilities in your system, allowing it to gain unauthorized access and execute malicious code. Once installed, the malware can be used to steal sensitive information, such as login credentials and financial data. It can also be used to install additional malware, creating a network of compromised systems that can be used for malicious purposes. The malware may also attempt to communicate with its command and control server, allowing attackers to receive updates and issue commands.

Symptoms of Infection

The symptoms of a Trojan.MSIL.Webshell.DC infection can vary, but common indicators include unusual system behavior, such as slow performance, crashes, and unexplained changes to system settings. You may also notice suspicious network activity, such as unexpected outgoing connections or unusual data transfers. Additionally, you may receive warnings from your security software or notice that your system is behaving erratically.

  • Unexplained changes to system settings or files
  • Suspicious network activity or unusual data transfers
  • Slow system performance or crashes
  • Warnings from security software or system alerts

How to Remove Trojan.MSIL.Webshell.DC

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow your security software to run more effectively.
  2. Run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove the malware.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and run another scan with your security software to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.MSIL.Webshell.DC requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above, you can help to ensure that your system is completely cleaned and that the malware is removed. It is essential to remain vigilant and to continue monitoring your system for any signs of malicious activity. By taking proactive steps to protect your system, you can help to prevent future infections and keep your sensitive information safe.

Analysis Report

General information

Family Name: Trojan.MSIL.Webshell.DC
Signature status: No Signature

Known Samples

MD5: 0769570ed3086f14a0823672f01758f9
SHA1: c98a25b326755be1d328fda88ec3a3098e6bf677
SHA256: ECB90A5A91E09C5DE98B1A0B0D9B4D76FF9D8478CE640FB2BBF4D355DE85E9DC
File Size: 148.99 KB, 148992 bytes
MD5: 45d283da892bdfb00b1bb7d446a77e55
SHA1: 09cf4d9805b94b387da2e560d79d74a3988d688b
SHA256: B71F8ECCC0BDC5714B0442A8A8CFD7B08433AA39F54E4B086EDF021B0B9642A3
File Size: 135.17 KB, 135168 bytes
MD5: ad73911dd3e863d842bc9596ebdf1225
SHA1: a7afe8fe563a36a6265b6f876243af00ee6a8bf8
SHA256: 880ED76135B403225B0E48B469464072943B465420EC7998C89BE75593DF67AD
File Size: 128.51 KB, 128512 bytes
MD5: 9186a18f1201940ba0e81cef8fe1de5f
SHA1: 8e286b3031432d03ed64bc19a2f47ea42d325c85
SHA256: D607CD732BAD511F3A216C2EE4B44F78AF2A8C2C1D06F377AFB5C52424B69B72
File Size: 151.04 KB, 151040 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 security information
  • File is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • 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 Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 504
Potentially Malicious Blocks: 95
Whitelisted Blocks: 76
Unknown Blocks: 333

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
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  • ntdll.dll!NtMapViewOfSection
  • 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!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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