Threat Database Trojans Trojan.MSIL.Webshell.DI

Trojan.MSIL.Webshell.DI

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,023
Threat Level: 80 % (High)
Infected Computers: 2
First Seen: November 28, 2024
Last Seen: July 9, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Webshell.DI on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.MSIL.Webshell.DI?

Trojan.MSIL.Webshell.DI is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate to gain unauthorized access to a computer system. The name suggests it may involve webshell capabilities, which could enable remote access and control of the infected system. Trojans are known for their ability to open backdoors, allowing hackers to steal sensitive information, install additional malware, or use the infected computer for malicious activities.

How Trojan.MSIL.Webshell.DI Operates

Malware like Trojan.MSIL.Webshell.DI typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can operate in stealth mode, hiding from the user and security software. Its primary goal is to provide unauthorized access to the system, which can be used for a variety of malicious purposes, including data theft, spamming, or using the computer as part of a botnet for distributed denial-of-service (DDoS) attacks.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as unexpected pop-ups, slow performance, or unfamiliar programs running in the background. Sometimes, the presence of malware can lead to system crashes or freezes. However, some Trojans are designed to remain hidden, making them difficult to detect without proper security software.

How to Remove Trojan.MSIL.Webshell.DI

  1. Enter Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in. The process to enter Safe Mode can vary depending on your operating system version.
  2. Perform a Full Scan with a Reputable Tool: Use a trusted anti-malware program, such as SpyHunter, to scan your system thoroughly. Ensure your security software is updated before running the scan to catch the latest threats.
  3. Uninstall Suspicious Programs: Go through your installed programs and remove any that you don't recognize or that were installed around the time your system became infected.
  4. Reset Your Browser: If your browser (such as Chrome, Firefox, or Edge) has been affected, resetting it to its default settings can help remove any malicious extensions or settings changes made by the malware.
  5. Reboot and Re-scan: After taking these steps, restart your computer and run another full scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.MSIL.Webshell.DI requires careful and systematic steps to ensure that all components of the malware are eliminated from your system. It's also crucial to adopt 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 clicking on links or opening attachments from unknown sources. By understanding the risks associated with Trojan horse malware and taking proactive steps, you can significantly reduce the risk of infection and protect your digital security.

Analysis Report

General information

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

Known Samples

MD5: 3a85c91ef34ea59d62ac1042d9436535
SHA1: 707ff7d8f2c8125bf6ceec308355d93e873ee210
SHA256: 3AA6EF25404828E2BAAD431567BCBAB08BD1191F78B272B341E788DF62CEB4E1
File Size: 130.56 KB, 130560 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: 346
Potentially Malicious Blocks: 144
Whitelisted Blocks: 83
Unknown Blocks: 119

Visual Map

0 0 0 x x ? x x x x x ? ? ? x x x x x ? x x 0 x x 0 x x x x 0 x x x x 0 x x x x 0 x x x x x x ? ? 0 x x ? 0 x x ? ? ? 0 x ? ? ? ? ? ? x x x x x ? x ? x ? ? ? ? ? ? 0 x x 0 x x x x 0 x x x x 0 x x ? 0 x ? x ? ? ? 0 x ? ? ? ? 0 x x 0 x x x x 0 x x x x x x ? ? 0 x x 0 ? ? ? 0 x ? ? ? x ? x ? x ? x ? x x ? ? ? ? ? ? ? 0 x x x x 0 x x x x 0 x x x x 0 x x x x 0 x x ? 0 x x x ? ? ? 0 x ? ? ? 0 0 0 0 ? x 0 x 0 0 0 0 0 x 0 x ? ? x x ? x x x ? ? 0 0 0 0 x x ? 0 0 0 0 ? ? x 0 0 0 x x 0 0 ? 0 0 0 0 0 x x x x ? ? ? x ? ? ? 0 x 0 0 0 0 0 x 0 x ? ? x x ? x x x ? ? 0 ? 0 0 0 0 x x x x ? ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? 0 x 0 0 0 0 0 x 0 x ? ? x x ? ? 0 0 0 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!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!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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