Threat Database Trojans Trojan.Sonbokli.F

Trojan.Sonbokli.F

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: April 24, 2025
Last Seen: March 2, 2026
OS(es) Affected: Windows

The detection of Trojan.Sonbokli.F on your system indicates a potentially serious security threat. Trojans are a type of malware that can cause significant damage to your computer and compromise your personal data. It is essential to take immediate action to remove the threat and prevent further harm.

What Is Trojan.Sonbokli.F?

Trojan.Sonbokli.F is a type of Trojan horse malware that can infect your computer without your knowledge or consent. The name "Trojan.Sonbokli.F" is a detection label used by security software to identify this specific threat. It is not a specific malware family, but rather a unique identifier for this particular strain of malware.

How Trojan.Sonbokli.F Operates

Trojan.Sonbokli.F, like other Trojans, operates by disguising itself as a legitimate program or file. Once it has infected your system, it can perform a variety of malicious actions, including stealing sensitive information, installing additional malware, or providing unauthorized access to your computer. The exact behavior of Trojan.Sonbokli.F may vary, but its primary goal is to compromise your system and exploit its resources for malicious purposes.

Symptoms of Infection

Identifying the symptoms of a Trojan.Sonbokli.F infection can be challenging, as they may be subtle or mimic those of other malware. However, common signs of infection include slow system performance, unexpected pop-ups or ads, unfamiliar programs or icons, and unusual network activity. You may also notice that your browser homepage or search engine has been changed without your consent, or that your computer is crashing or freezing frequently.

  • Unexplained changes to your system or browser settings
  • Increased network activity or suspicious connections
  • Appearance of unfamiliar programs or files
  • Slow system performance or frequent crashes

How to Remove Trojan.Sonbokli.F

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

Conclusion

Removing Trojan.Sonbokli.F from your system requires careful attention to detail and a thorough understanding of the removal process. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove the infection and prevent further damage to your system. It is essential to remain vigilant and take proactive measures to protect your computer and personal data from future threats. Regularly updating your security software, avoiding suspicious downloads, and being cautious when clicking on links or opening email attachments can help prevent similar infections in the future.

Analysis Report

General information

Family Name: Trojan.Sonbokli.F
Signature status: No Signature

Known Samples

MD5: 9290d2bded0bcd1ee259a8b81b3b61f5
SHA1: 6987377be7be503c98aa43e3ea4c9635b0cbbc59
SHA256: EB47853C9CD11F7C6821E3BAF0646DDE8AFD41D63584252EC57DB28048F831DF
File Size: 679.94 KB, 679936 bytes
MD5: cba780f74adaa785ff408a84c6bbb8d3
SHA1: eac7bcbefc161f525722f26a849781a8e95cdbcc
SHA256: 6AC234E71D40F5543C277462FB4F2DCD299DC35E54BD994A1D6EB1C2EAE729A0
File Size: 698.37 KB, 698368 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 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
  • HighEntropy
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 3
Potentially Malicious Blocks: 0
Whitelisted Blocks: 2
Unknown Blocks: 1

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
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  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • 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!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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