Threat Database Trojans Trojan.Filecoder.VC

Trojan.Filecoder.VC

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 15,616
Threat Level: 80 % (High)
Infected Computers: 7
First Seen: January 15, 2013
Last Seen: June 15, 2026
OS(es) Affected: Windows

The detection of Trojan.Filecoder.VC on your system indicates a potential security threat that requires immediate attention. This type of threat is typically associated with malicious software designed to compromise the security and integrity of 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 Trojan.Filecoder.VC?

Trojan.Filecoder.VC is a type of malware that can infect your computer and cause significant harm. The term "Trojan" refers to a type of malware that disguises itself as legitimate software, while "Filecoder" suggests that it may be capable of encrypting or modifying files on your system. The ".VC" suffix may indicate a specific variant or subtype of the malware. It is crucial to note that malware threats like Trojan.Filecoder.VC can evolve over time, and their behavior may vary depending on their intended purpose and the goals of their creators.

How Trojan.Filecoder.VC Operates

Malware like Trojan.Filecoder.VC typically operates by exploiting vulnerabilities in software or human error to gain access to a computer system. Once inside, it can spread to other parts of the system, potentially causing damage, stealing sensitive information, or engaging in other malicious activities. The exact mechanisms of operation can vary, but common tactics include phishing, drive-by downloads, and exploiting unpatched software vulnerabilities. Understanding how these threats operate is key to preventing their spread and mitigating their impact.

Symptoms of Infection

Identifying the symptoms of a Trojan.Filecoder.VC infection can be challenging, as malware often attempts to remain stealthy. However, common indicators of infection include unexpected changes to files, unusual system behavior, slowed performance, and pop-ups or other unwanted advertisements. In some cases, the malware may encrypt files and demand a ransom, though this behavior is more commonly associated with specific types of ransomware. Being vigilant and monitoring your system for any unusual activity is crucial for early detection and mitigation.

How to Remove Trojan.Filecoder.VC

  1. Boot your computer in Safe Mode with Networking to limit the malware's ability to spread or communicate with its command and control servers.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the malware and any associated files or registry entries.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time of the suspected infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings that the malware may have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that the threat has been fully removed. This step is crucial for verifying the effectiveness of the removal process.

Conclusion

Removing Trojan.Filecoder.VC from your system requires careful and systematic action. By understanding the nature of this threat and following the steps outlined above, you can help protect your computer and your personal data from harm. Remember, prevention is key: keeping your software up to date, being cautious with emails and downloads, and using reputable security software can significantly reduce the risk of infection. If you are unsure about any part of the removal process, consider seeking advice from a cybersecurity professional to ensure your system is thoroughly cleaned and secured.

Analysis Report

General information

Family Name: Trojan.Filecoder.VC
Packers: UPX
Signature status: No Signature

Known Samples

MD5: cfd37f0f6b0e39173100361f185f66c3
SHA1: e726c6c121201795a01cd30d2d593c5f20b5dd2a
SHA256: C8D1FDC92BC457D60E7DC4EF4E7766F90D022FBFECDC55FF1A46D3471E0A7B91
File Size: 62.98 KB, 62976 bytes
MD5: b8e7b1a48effa8296eb394499c12325e
SHA1: 9ecac9c82a7eb370325fd1d6a73462fba8d637b5
SHA256: 4FB99D201F02C1E403BBAC25CA27C62D3CD4A2928D638E05361BAB1F69E26955
File Size: 74.75 KB, 74752 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 relocations information
  • File doesn't have security information
  • File has been packed
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET application)
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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

  • GetConsoleWindow
  • HighEntropy
  • No Version Info
  • packed
  • x86

Block Information

Total Blocks: 616
Potentially Malicious Blocks: 30
Whitelisted Blocks: 570
Unknown Blocks: 16

Visual Map

? x ? ? 0 0 0 0 0 0 0 x 0 x x x x x 0 0 0 x x 0 x 0 0 0 x ? ? ? x 0 x x x x x x ? ? ? 0 0 ? ? x ? ? x x x x ? 0 ? 0 ? 0 x x x x 0 0 0 1 0 0 0 0 0 0 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 1 1 0 0 1 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 0 0 0 0 0 1 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 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 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 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 1 0 0 0 0 0 0 0 0 1 1 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 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 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 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 1 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 0 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 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 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 1 0 0 1 1 0 1 0 0 0 0 0 0 0 x x x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Downloader.VS
  • HiLevel.A

Files Modified

File Attributes
c:\programdata\cultre.dll Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 딤偌ǜ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 苋१ﴐǜ RegNtPreCreateKey

Windows API Usage

Category API
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetUserObjectInformation
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
  • ShellExecute
  • WriteConsole
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
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  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateValueKey
  • 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!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!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Process Terminate
  • TerminateProcess
Other Suspicious
  • AdjustTokenPrivileges

Shell Command Execution

open cmd.exe /c SCHTASKS.exe /Delete /TN "Windows Update BETA" /F
WriteConsole: 4 I/O Workers Cr
WriteConsole:
WriteConsole: Start Enumeratio
WriteConsole:
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WriteConsole: Start Enumeratio
WriteConsole:
C:\WINDOWS\system32\schtasks.exe SCHTASKS.exe /Delete /TN "Windows Update BETA" /F
WriteConsole: Access is denied
open cmd.exe /c SCHTASKS.exe /Create /RU "NT AUTHORITY\SYSTEM" /sc onstart /TN "Windows Update BETA" /TR "c:\users\user\downloads\9ecac9c82a7eb370325fd1d6a73462fba8d637b5_0000074752" /F
C:\WINDOWS\system32\schtasks.exe SCHTASKS.exe /Create /RU "NT AUTHORITY\SYSTEM" /sc onstart /TN "Windows Update BETA" /TR "c:\users\user\downloads\9ecac9c82a7eb370325fd1d6a73462fba8d637b5_0000074752" /F

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