Threat Database Backdoors Backdoor.MSIL.DllInject.OE

Backdoor.MSIL.DllInject.OE

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 16,351
Threat Level: 60 % (Medium)
Infected Computers: 7
First Seen: June 29, 2023
Last Seen: June 23, 2026
OS(es) Affected: Windows

The detection of Backdoor.MSIL.DllInject.OE indicates that your system has been compromised by a malicious threat. This type of malware is designed to allow unauthorized access to your computer, potentially leading to further malicious activities such as data theft, system damage, or the installation of additional malware. It is essential to take immediate action to remove this threat and prevent any potential harm to your system or data.

What Is Backdoor.MSIL.DllInject.OE?

Backdoor.MSIL.DllInject.OE is a type of backdoor malware that uses DLL injection techniques to infect systems. This method involves injecting malicious code into legitimate system processes, making it difficult to detect and remove. The name suggests that it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of the .NET Framework. This allows the malware to be executed on any system that supports the .NET Framework, regardless of the underlying architecture.

How Backdoor.MSIL.DllInject.OE Operates

Once installed, Backdoor.MSIL.DllInject.OE can operate in stealth mode, hiding its presence from the user and security software. It may use various techniques to maintain its presence on the system, such as modifying system files, creating autorun entries, or exploiting vulnerabilities in software. The malware can also communicate with its command and control servers to receive updates, transmit stolen data, or download additional malware. This communication can occur through various channels, including HTTP, HTTPS, or other protocols.

Symptoms of Infection

Symptoms of a Backdoor.MSIL.DllInject.OE infection can be subtle, but they may include unusual system behavior, such as slow performance, crashes, or freezes. You may also notice unfamiliar programs or processes running in the background, or strange network activity. In some cases, the malware may also display fake alerts or messages, attempting to trick the user into installing additional malware or providing sensitive information.

  • Unexplained changes to system settings or files
  • Unusual network activity or connections to unknown servers
  • Appearance of unfamiliar programs or icons
  • System crashes or freezes
  • Slow system performance

How to Remove Backdoor.MSIL.DllInject.OE

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full system scan and remove any detected threats.
  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 settings.
  5. Reboot your system and perform another full scan to ensure that the malware has been completely removed.

Conclusion

Removing Backdoor.MSIL.DllInject.OE requires a combination of technical expertise and caution. It is essential to follow the steps outlined above to ensure that the malware is completely removed from your system. Additionally, it is crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using reputable anti-virus software, and being cautious when opening email attachments or clicking on links from unknown sources. By taking these steps, you can help protect your system and data from the threats posed by Backdoor.MSIL.DllInject.OE and other types of malware.

Analysis Report

General information

Family Name: Backdoor.MSIL.DllInject.OE
Signature status: No Signature

Known Samples

MD5: 7db571e432e022a34d90bf595d9a846f
SHA1: 17671d1e242d65f8c117e41123b41d5b2d76dcc5
SHA256: 1CB9596F01674FAAD383CC4854CAE2A43BEF0733A731F73833DC6DC54925B05A
File Size: 77.31 KB, 77312 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 1.0.0.0
File Description QO-100 WB Live Tune
File Version 1.0.0.0
Internal Name QO-100 WB Quick Tune.exe
Legal Copyright Copyright © 2019
Original Filename QO-100 WB Quick Tune.exe
Product Name QO-100 WB Live Tune
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 142
Potentially Malicious Blocks: 15
Whitelisted Blocks: 72
Unknown Blocks: 55

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
Show More
  • 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!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!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserObjectInformation

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