Threat Database Trojans Trojan.Agent.GYB

Trojan.Agent.GYB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 0
First Seen: July 29, 2024
OS(es) Affected: Windows

The detection of Trojan.Agent.GYB 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, and it's essential to understand its nature and take steps to remove it.

What Is Trojan.Agent.GYB?

Trojan.Agent.GYB is a type of Trojan horse malware that can infect your computer without your knowledge or consent. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to your system. The ".Agent" part of the name suggests that this malware may be capable of performing various malicious actions on behalf of its creators.

How Trojan.Agent.GYB Operates

Once installed, Trojan.Agent.GYB can operate in the background, allowing its creators to remotely control your computer. This can lead to a range of malicious activities, including data theft, keystroke logging, and the installation of additional malware. The malware may also attempt to communicate with its command and control servers to receive updates or transmit stolen data.

Trojan.Agent.GYB may use various techniques to evade detection, such as code obfuscation, anti-debugging, and rootkit functionality. This makes it challenging for traditional antivirus software to detect and remove the malware.

Symptoms of Infection

Infected computers may exhibit a range of symptoms, including slow performance, frequent crashes, and unusual network activity. You may also notice unfamiliar programs or icons on your desktop, or receive unexpected pop-ups and alerts. In some cases, the malware may attempt to disable security software or prevent you from accessing certain system settings.

  • Unexplained changes to system settings or configuration
  • Unfamiliar programs or icons on your desktop
  • Frequent crashes or system freezes
  • Slow performance or sluggish response times
  • Unusual network activity or unexpected pop-ups

How to Remove Trojan.Agent.GYB

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and remove any detected threats
  3. Uninstall any suspicious programs or software that you don't recognize or need
  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 a follow-up scan to ensure that the malware has been completely removed

Conclusion

Removing Trojan.Agent.GYB requires a combination of technical expertise and caution. By following the steps outlined above, you can help to ensure that your computer is free from this malicious threat. However, it's essential to remain vigilant and take proactive steps to protect your system from future infections, such as keeping your operating system and software up to date, using strong antivirus software, and avoiding suspicious downloads and links.

Analysis Report

General information

Family Name: Trojan.Agent.GYB
Signature status: No Signature

Known Samples

MD5: 89db7fb2fbfbe56ce87a6bf3cd47667c
SHA1: 62be054e5b20df43ba3ad42c82f93df6aec52694
SHA256: 7A9264B7659D86797BAA8E96A0641DA7CA8FA6E73721B5F373D05E4BD6D30BB5
File Size: 4.19 MB, 4185092 bytes
MD5: dcb2d192b816eb9c3b8e335116383161
SHA1: b369a360a3d834b8080fd86ef7e7364f6540b4f8
SHA256: FDDD6D7D81CD33C67C4E65A65EE3350C05F2079B343F355E91E165ABC48C7E05
File Size: 4.29 MB, 4290271 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • 2+ executable sections
  • big overlay
  • fptable
  • No Version Info
  • x64

Block Information

Total Blocks: 1,488
Potentially Malicious Blocks: 257
Whitelisted Blocks: 1,231
Unknown Blocks: 0

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAdjustPrivilegesToken
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
Show More
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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