Threat Database Backdoors Backdoor.Remcos.LC

Backdoor.Remcos.LC

By CagedTech in Backdoors

Threat Scorecard

Threat Level: 60 % (Medium)
Infected Computers: 5
First Seen: October 8, 2024
Last Seen: November 16, 2025
OS(es) Affected: Windows

The detection of Backdoor.Remcos.LC on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software designed to bypass security measures and allow unauthorized access to your computer. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Backdoor.Remcos.LC?

Backdoor.Remcos.LC is a type of malware that functions as a backdoor, which means it is designed to allow unauthorized access to your computer system. Backdoors are typically used by attackers to gain remote access to a compromised system, enabling them to execute commands, steal data, or install additional malware. The specifics of how Backdoor.Remcos.LC operates can vary, but its primary goal is to provide a covert entry point for malicious activities.

How Backdoor.Remcos.LC Operates

Malware like Backdoor.Remcos.LC usually operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can communicate with its command and control servers to receive instructions, which might include data theft, keystroke logging, or using the compromised system as part of a botnet for distributed denial-of-service (DDoS) attacks. The backdoor can remain dormant for periods, making it challenging to detect without proper security software.

Symptoms of Infection

Symptoms of a Backdoor.Remcos.LC 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 a backdoor might only be discovered during a routine security scan or after a significant data breach has occurred. It's crucial to maintain vigilance and ensure that your security software is up-to-date and functioning correctly.

How to Remove Backdoor.Remcos.LC

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more straightforward 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 Backdoor.Remcos.LC malware.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge) 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 traces of the malware have been removed.

Conclusion

The removal of Backdoor.Remcos.LC requires careful and immediate action to prevent further compromise of your system and data. By following the steps outlined above and maintaining a proactive approach to security, including keeping your operating system and software up-to-date and using reputable security tools, you can significantly reduce the risk of future infections. Remember, prevention and vigilance are key components in the ongoing battle against malware and other cyber threats.

Analysis Report

General information

Family Name: Backdoor.Remcos.LC
Signature status: No Signature

Known Samples

MD5: d526ef947a04850ce6484fb46dd4c622
SHA1: d743e846141351d861a195af3a804f94ae255f84
SHA256: CFAB80558D1F8C05300DF588791D835E42EF18FB1D831D25D21126541CCF62EF
File Size: 2.46 MB, 2458624 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have resources
  • 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
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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

  • No Version Info
  • ntdll
  • x64

Block Information

Total Blocks: 7,079
Potentially Malicious Blocks: 723
Whitelisted Blocks: 6,087
Unknown Blocks: 269

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
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  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Network Winsock2
  • WSASocket
  • WSAStartup
Network Winsock
  • bind
  • closesocket
  • connect
  • socket

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