Threat Database Trojans Trojan.Zegost.GAE

Trojan.Zegost.GAE

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: July 13, 2023
Last Seen: November 25, 2025
OS(es) Affected: Windows

The detection of Trojan.Zegost.GAE on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise your system's security and put your personal data at risk. It is essential to understand the nature of this threat and take prompt action to remove it from your system.

What Is Trojan.Zegost.GAE?

Trojan.Zegost.GAE is a type of malware that can infiltrate your system without your knowledge or consent. The name itself does not provide specific information about the malware family, but it is clear that it is a Trojan-type threat. Trojans are malicious programs that can disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to your system.

How Trojan.Zegost.GAE Operates

Once Trojan.Zegost.GAE infects your system, it can operate in various ways, depending on its intended purpose. It may allow unauthorized access to your system, steal sensitive information, or install additional malware. The threat can also modify system settings, creating backdoors for future attacks or allowing remote control of your system. Understanding how the threat operates is crucial in taking effective measures to remove it.

Symptoms of Infection

Identifying the symptoms of a Trojan.Zegost.GAE infection can be challenging, as it may not always exhibit noticeable signs. However, some common indicators of a Trojan infection include slow system performance, unexpected pop-ups, and unfamiliar programs or icons on your desktop. You may also experience issues with your internet connection or find that your system is crashing frequently. If you suspect that your system is infected, it is essential to take immediate action to prevent further damage.

How to Remove Trojan.Zegost.GAE

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the threat.
  3. Uninstall any suspicious programs or applications that may be related to the Trojan.Zegost.GAE 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 system and perform another full scan to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.Zegost.GAE from your system requires a thorough and multi-step approach. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove the threat and prevent future infections. It is also essential to maintain good security practices, such as regularly updating your operating system and software, using strong passwords, and being cautious when opening email attachments or clicking on links from unknown sources. By taking these precautions, you can protect your system and personal data from potential security threats.

Analysis Report

General information

Family Name: Trojan.Zegost.GAE
Signature status: No Signature

Known Samples

MD5: 0b9bcdcb4f85a1453bfbac5e10fa0706
SHA1: b55c175aaa6c65f6729f1e53e8d7b7d05b635a2e
SHA256: A64E31B39B5119C232A98152A797FBEC6E9F8B202B7374EE83D713F42C0B809F
File Size: 1.31 MB, 1313280 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 is 32-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 Icons

File Traits

  • HighEntropy
  • No Version Info
  • x86

Block Information

Total Blocks: 154
Potentially Malicious Blocks: 8
Whitelisted Blocks: 146
Unknown Blocks: 0

Visual Map

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

Files Modified

File Attributes
c:\users\user\downloads\b55c175aaa6c65f6729f1e53e8d7b7d05b635a2e_0001313280 Synchronize,Write Attributes
c:\windows\syswow64\vnfvn.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\windows\syswow64\vnfvn.exe Synchronize,Write Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\select::marktime 2025-11-25 17:28 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 沍 䠱O噀ñ᝹ʁ뽹ɞ傄ë閾ʴ駃ó⟋ʪߙĤÉ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 䑡平ǜ RegNtPreCreateKey

Windows API Usage

Category API
Service Control
  • OpenSCManager
  • OpenService
  • StartService
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Syscall Use
  • 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!NtCreateSemaphore
  • ntdll.dll!NtEnumerateValueKey
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  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • 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!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetUserObjectInformation

Shell Command Execution

C:\WINDOWS\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del c:\users\user\DOWNLO~1\B55C17~1 > nul

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