Threat Database Backdoors Backdoor.RobloxStealer.B

Backdoor.RobloxStealer.B

By CagedTech in Backdoors, Stealers

Threat Scorecard

Popularity Rank: 27,062
Threat Level: 60 % (Medium)
Infected Computers: 1
First Seen: May 5, 2026
Last Seen: May 26, 2026
OS(es) Affected: Windows

The detection of Backdoor.RobloxStealer.B indicates that a potentially malicious threat has been identified on your system. This backdoor threat may allow unauthorized access to your computer, which can lead to a range of serious security issues. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.

What Is Backdoor.RobloxStealer.B?

Backdoor.RobloxStealer.B is a type of backdoor threat that can provide unauthorized access to your computer. Backdoor threats are designed to bypass normal security mechanisms and allow attackers to remotely access and control your system. This can lead to the theft of sensitive information, the installation of additional malware, and other malicious activities.

How Backdoor.RobloxStealer.B Operates

Backdoor.RobloxStealer.B, like other backdoor threats, operates by creating a covert communication channel between your computer and a remote server controlled by the attacker. This allows the attacker to send commands to your computer and receive stolen data or other information. The threat may use various techniques to evade detection, including disguising itself as a legitimate program or using encryption to hide its communication.

Once installed, Backdoor.RobloxStealer.B can be used to steal sensitive information, such as login credentials, credit card numbers, or other personal data. It can also be used to install additional malware, such as ransomware or keyloggers, which can further compromise your system's security.

Symptoms of Infection

If your system is infected with Backdoor.RobloxStealer.B, you may notice a range of symptoms, including unusual network activity, slow system performance, or unexplained changes to your system's configuration. You may also notice that your browser is being redirected to unfamiliar websites or that you are receiving unexpected pop-ups or alerts.

  • Unusual network activity, such as unexpected incoming or outgoing connections
  • Slow system performance or freezes
  • Unexplained changes to your system's configuration, such as new programs or icons
  • Unfamiliar websites or pop-ups appearing in your browser

How to Remove Backdoor.RobloxStealer.B

  1. Boot your computer in Safe Mode with Networking to prevent the threat from loading and to allow you to download and install removal tools
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect and remove the threat
  3. Uninstall any suspicious programs or applications that may be related to the threat
  4. Reset your browser settings, including Chrome, Firefox, and Edge, to their default values to remove any malicious extensions or add-ons
  5. Reboot your computer and perform a follow-up scan to ensure that the threat has been fully removed

Conclusion

Removing Backdoor.RobloxStealer.B requires immediate attention to prevent further damage to your system. By following the steps outlined above, you can help to ensure that the threat is fully removed and that your system is protected against future infections. It is also essential to practice good security habits, such as regularly updating your operating system and software, using strong passwords, and being cautious when clicking on links or downloading attachments from unfamiliar sources.

Analysis Report

General information

Family Name: Backdoor.RobloxStealer.B
Signature status: No Signature

Known Samples

MD5: 0068fd20ef00d0da95f16b9568bb98f0
SHA1: 87e9c330ee3dd0b735cf5f12610427a74d7f46f6
SHA256: 34DCD2C771CA7B87C05AC64C67C0E3B15B8BD596EC288D8C19282D2791F4BB6D
File Size: 516.61 KB, 516608 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS information
  • 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)
  • 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

  • dll
  • imgui
  • x64

Block Information

Total Blocks: 64
Potentially Malicious Blocks: 0
Whitelisted Blocks: 61
Unknown Blocks: 3

Visual Map

0 0 0 0 0 0 0 0 0 ? ? 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 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

Files Modified

File Attributes
c:\users\public\esp_log.txt Generic Write,Read Attributes

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
Show More
  • ntdll.dll!NtFreeVirtualMemory
  • 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!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySystemInformation
  • 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!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • 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!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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