Threat Database Backdoors Backdoor.MSIL.Spy.Agent.RS

Backdoor.MSIL.Spy.Agent.RS

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 19,303
Threat Level: 60 % (Medium)
Infected Computers: 10
First Seen: April 7, 2024
Last Seen: July 3, 2026
OS(es) Affected: Windows

The detection of Backdoor.MSIL.Spy.Agent.RS indicates a potentially serious security threat to your computer system. This detection name suggests a backdoor-type malware, which is designed to allow unauthorized access to your system. Understanding what this threat is, how it operates, and the symptoms it may cause is crucial in taking the right steps towards removal and securing your system.

What Is Backdoor.MSIL.Spy.Agent.RS?

Backdoor.MSIL.Spy.Agent.RS is identified as a backdoor threat, which typically means it is a type of malware that allows hackers to remotely access and control an infected computer. The term "backdoor" refers to the malware's ability to bypass normal security mechanisms, creating a secret entrance for attackers. The specifics of how Backdoor.MSIL.Spy.Agent.RS functions can vary, but its primary goal is to provide unauthorized access to the infected system, potentially leading to data theft, spyware installation, or further malware distribution.

How Backdoor.MSIL.Spy.Agent.RS Operates

Backdoor malware like Backdoor.MSIL.Spy.Agent.RS usually operates by first infecting a system through various means, such as exploited vulnerabilities, phishing emails, or infected software downloads. Once inside, it may communicate with its command and control (C&C) servers to receive instructions, which could range from stealing sensitive information to using the infected computer as part of a botnet for malicious activities. The operation of backdoor malware can be stealthy, making it difficult for users to detect without proper security software.

Symptoms of Infection

Symptoms of a Backdoor.MSIL.Spy.Agent.RS infection can be subtle and may not always be immediately apparent. Common signs include unusual network activity, slow system performance, and unexpected changes to system settings or files. In some cases, the presence of backdoor malware might only be suspected after a significant data breach or when security software detects suspicious activity. Given the covert nature of backdoor threats, regular system monitoring and the use of reputable antivirus software are essential for early detection.

How to Remove Backdoor.MSIL.Spy.Agent.RS

Removing Backdoor.MSIL.Spy.Agent.RS requires careful steps to ensure the malware is completely eradicated from the system. The following steps are recommended:

  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 all components of the malware.
  3. Uninstall any suspicious programs 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 malware components have been removed.

This process should help in removing the Backdoor.MSIL.Spy.Agent.RS malware from your system, but it's crucial to stay vigilant and keep your security software up to date to prevent future infections.

Conclusion

The detection and removal of Backdoor.MSIL.Spy.Agent.RS highlight the importance of proactive security measures. Keeping your operating system, software, and security tools updated, along with practicing safe computing habits, can significantly reduce the risk of malware infections. Regularly scanning your system for malware and being cautious with emails, downloads, and links can also help prevent backdoor threats. If you suspect your system has been infected with Backdoor.MSIL.Spy.Agent.RS or any other malware, taking swift action to remove the threat and secure your system is essential to protect your data and privacy.

Analysis Report

General information

Family Name: Backdoor.MSIL.Spy.Agent.RS
Signature status: No Signature

Known Samples

MD5: ef77258a85a855f1e2e82a46ae271dee
SHA1: d9ac7d50e4922efe784e95a33bfdd4351a6c4143
SHA256: E68EC86D6A2F32A71F111F160E985BE3FE3D3383E172B406E7ADCA37BA8CC84F
File Size: 111.62 KB, 111616 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 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
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • .NET
  • No Version Info
  • x86

Block Information

Total Blocks: 68
Potentially Malicious Blocks: 9
Whitelisted Blocks: 59
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.ClipBanker.RAC
  • MSIL.Spy.Agent.RS

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
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  • 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!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!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
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation

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