Threat Database Trojans Trojan.Zegost.GAF

Trojan.Zegost.GAF

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 12,319
Threat Level: 80 % (High)
Infected Computers: 31
First Seen: October 25, 2023
Last Seen: July 1, 2026
OS(es) Affected: Windows

The detection of Trojan.Zegost.GAF on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Zegost.GAF?

Trojan.Zegost.GAF is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate or harmless. The name "Trojan" refers to the malware's ability to deceive users into installing it on their systems, often by masquerading as a useful program or utility. Once installed, Trojan.Zegost.GAF can cause significant harm to your system, including data theft, system crashes, and exploitation by remote attackers.

How Trojan.Zegost.GAF Operates

Trojan.Zegost.GAF operates by exploiting vulnerabilities in your system's security, often through social engineering tactics or drive-by downloads. Once it gains access to your system, it can create backdoors, allowing remote attackers to control your computer and steal sensitive information. It may also install additional malware, such as keyloggers, spyware, or ransomware, to further compromise your system's security. The malware can communicate with its command and control servers to receive updates, transmit stolen data, or download additional malicious components.

Symptoms of Infection

Identifying the symptoms of a Trojan.Zegost.GAF infection can be challenging, as it often disguises itself as a legitimate program. However, some common indicators of infection include slow system performance, frequent crashes, and unusual network activity. You may also notice unfamiliar programs or icons on your desktop, or receive unexpected pop-ups or alerts. If you suspect that your system is infected with Trojan.Zegost.GAF, it is crucial to take immediate action to remove the malware and prevent further damage.

How to Remove Trojan.Zegost.GAF

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
  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 system and perform a follow-up scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Zegost.GAF from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and taking proactive measures to protect your system, you can minimize the risk of infection and prevent future attacks. It is essential to remain vigilant and keep your anti-malware software up to date to ensure the ongoing security and integrity of your computer. Remember to always be cautious when downloading software or clicking on links from unknown sources, and never provide personal or financial information to untrusted websites or applications.

Analysis Report

General information

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

Known Samples

MD5: 6fe5f810e013f4b5c9925b1ea309d7a2
SHA1: 0e1d0133a81fb0f73265fedbd1f81cc22b917617
SHA256: F75FCD8CE970EE883ADF6BB51E94D4FCAA8EB1255DAC1E21AD35B72CB54DE428
File Size: 233.47 KB, 233472 bytes
MD5: 95ec973e1fd7780695fab3b58e49b80b
SHA1: 1f9a3625e7494333769eda5e74b7074b67192779
SHA256: 2F9DE3A3E67B2DA943CD9EB2A28EE07E42034F95F279673C6A94D36BEAE4D213
File Size: 266.36 KB, 266358 bytes
MD5: 4a4f55cab903187578c1148c650783ed
SHA1: 7c5e5b12e7a4cd149b4ad12e3695282bf32f047f
SHA256: 829F4C3CEE8090F410E993ADB05520D1D29AA024BBEDAD75BEED274BC3178B47
File Size: 245.82 KB, 245818 bytes

Windows Portable Executable Attributes

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

Windows PE Version Information

Name Value
Company Name
  • epro GmbH
  • Nokia Corporation
Edition Standard Edition
File Description
  • GsmG setloss UI
  • InvControls32 DLL
  • WndLayer Module
File Version
  • 5.00.32.00
  • 1.3.1.17218
  • 1, 0, 0, 1
Internal Name
  • GsmG setloss UI
  • InvControls32
  • WndLayer
Legal Copyright
  • Copyright 2005
  • Copyright © 1997-2005
  • Copyright © 2002 Nokia Corporation. All rights reserved.
O E M Version inVISU PMS
Original Filename
  • gsmgsetlossui.dll
  • InvControls32.DLL
  • WndLayer.DLL
Product Name
  • gsmgsetlossui.dll Module
  • InvControls32 Dynamic Link Library
  • WndLayer Module
Product Version
  • 5.00.32.00
  • 1.3.1.17218
  • 1, 0, 0, 1
Service Pack SP2

File Traits

  • dll
  • x86

Block Information

Total Blocks: 1,648
Potentially Malicious Blocks: 9
Whitelisted Blocks: 1,538
Unknown Blocks: 101

Visual Map

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

Similar Families

  • Zegost.GAF

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtProtectVirtualMemory
Show More
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation
Process Manipulation Evasion
  • NtUnmapViewOfSection

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\0e1d0133a81fb0f73265fedbd1f81cc22b917617_0000233472.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\1f9a3625e7494333769eda5e74b7074b67192779_0000266358.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\7c5e5b12e7a4cd149b4ad12e3695282bf32f047f_0000245818.,LiQMAxHB

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