Threat Database Trojans Trojan.Buzus.JB

Trojan.Buzus.JB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 7
First Seen: September 25, 2023
Last Seen: August 12, 2025
OS(es) Affected: Windows

The detection of Trojan.Buzus.JB on your system indicates a potential security threat that requires immediate attention. Trojans are a type of malware that can cause significant damage to your computer and compromise your personal data. In this report, we will provide an overview of the threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is Trojan.Buzus.JB?

Trojan.Buzus.JB is a type of Trojan horse malware that can infiltrate your system without your knowledge or consent. The name "Trojan.Buzus.JB" is a detection label used by security software to identify this specific threat. It is essential to understand that Trojans are designed to disguise themselves as legitimate programs, making them difficult to detect. They can be spread through various means, including infected software downloads, phishing emails, and exploited vulnerabilities.

How Trojan.Buzus.JB Operates

Once Trojan.Buzus.JB has infected your system, it can operate in various ways, depending on its intended purpose. Some common activities of Trojans include data theft, spyware, ransomware, and backdoor access. They can also download and install additional malware, creating a more significant threat to your system. Trojan.Buzus.JB may communicate with its command and control servers to receive instructions and transmit stolen data. It is crucial to remove the malware as soon as possible to prevent further damage.

Symptoms of Infection

Identifying the symptoms of a Trojan infection can be challenging, as they often masquerade as legitimate programs. However, some common signs of infection include slow system performance, unexpected pop-ups, and unfamiliar programs or icons on your desktop. You may also experience unexplained changes to your system settings, such as modified browser home pages or search engines. If you suspect that your system is infected with Trojan.Buzus.JB, it is essential to take immediate action to remove the threat.

  • Unexplained system crashes or freezes
  • Increased network activity
  • New, unfamiliar programs or icons
  • Modified system settings

How to Remove Trojan.Buzus.JB

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full system scan to detect and remove Trojan.Buzus.JB.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  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 with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.Buzus.JB from your system requires careful attention to detail and a thorough understanding of the threat. By following the steps outlined in this report, you can help ensure the complete removal of the malware and prevent future infections. It is essential to remain vigilant and take proactive measures to protect your system, including regularly updating your operating system and security software, using strong passwords, and avoiding suspicious downloads and email attachments.

Analysis Report

General information

Family Name: Trojan.Buzus.JB
Packers: UPX
Signature status: No Signature

Known Samples

MD5: 207d965aa4661076e881581f9ad83020
SHA1: 27d3b191f2389280de91c188670a72a56ddf32ec
SHA256: 994B32B23EFD41987BC57BED2BCDA21B1DF122F19786035A0F55C3124EC4D7A4
File Size: 129.54 KB, 129536 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 has TLS information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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  • File is Native application (NOT .NET application)
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • No Version Info
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 373
Potentially Malicious Blocks: 17
Whitelisted Blocks: 346
Unknown Blocks: 10

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

Files Modified

File Attributes
c:\windows\fin32.exe 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

Windows API Usage

Category API
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetUserObjectInformation
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
  • VirtualAllocEx
Process Shell Execute
  • CreateProcess
  • ShellExecute

Shell Command Execution

(NULL) fin32.exe /stext hms.atr
C:\Windows\fin32.exe /stext hms.atr

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