Trojan.Bifrose

The detection of Trojan.Bifrose on your system indicates a potential security threat that requires immediate attention. Trojan.Bifrose is a type of malware that can compromise the security and integrity of your computer. In this report, we will provide an overview of what Trojan.Bifrose is, how it operates, the symptoms of infection, and most importantly, the steps you can take to remove it from your system.

What Is Trojan.Bifrose?

Trojan.Bifrose is a malicious program designed to infiltrate and damage computer systems. The term "Trojan" refers to a type of malware that disguises itself as legitimate software, allowing it to bypass security measures and gain unauthorized access to a computer. Once inside, Trojan.Bifrose can perform a variety of harmful actions, including data theft, system compromise, and the installation of additional malware.

How Trojan.Bifrose Operates

Trojan.Bifrose operates by exploiting vulnerabilities in software or tricking users into installing it. It can spread through various means, such as infected email attachments, compromised websites, or infected software downloads. Once installed, it can communicate with its command and control servers to receive instructions, which may include stealing sensitive information, downloading additional malware, or using the infected computer as part of a botnet for malicious activities.

Symptoms of Infection

Identifying a Trojan.Bifrose infection can be challenging, as it is designed to operate stealthily. However, there are several symptoms that may indicate the presence of this malware. These include unexpected changes to system settings, unusual network activity, slow system performance, and the appearance of unwanted programs or toolbars. If you suspect that your system is infected, it is crucial to take immediate action to mitigate the damage and remove the threat.

How to Remove Trojan.Bifrose

1. Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in.
2. Perform a Full Scan with a Reputable Tool: Utilize a trusted anti-malware program, such as SpyHunter, to scan your system thoroughly. This can help identify and remove the malware and any associated files.
3. Uninstall Suspicious Programs: Review the programs installed on your system and uninstall any that you do not recognize or that were installed around the time the symptoms began.
4. Reset Your Browser Settings: Malware often targets browsers like Chrome, Firefox, and Edge. Resetting these browsers to their default settings can help remove any malicious extensions or settings changes made by the malware.
5. Reboot and Re-scan: After taking the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.

Conclusion

Removing Trojan.Bifrose from your system requires careful and thorough action. By understanding what this malware is, how it operates, and the symptoms it may cause, you can take the necessary steps to protect your system and data. Remember, prevention is key; always be cautious when opening email attachments, downloading software, and visiting websites. Regular system scans with reputable anti-malware tools and keeping your operating system and software up to date can also help prevent future infections. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is completely clean and secure.

Analysis Report

General information

Family Name:	Backdoor.Bifrose
Signature status:	No Signature

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: 8b6450f6d43a9e848f6d33b06b3411c3 SHA1: 1f677ad0abcfe8f0c4c694c7732c7f95a94d08f6 SHA256: 8150596BCBBE51058C6988D0278A1AB14DC14F02700639E771D420726A81BA9A File Size: 3.17 MB, 3166208 bytes

MD5: ba5de8b0ccd90eab0ab08ca8faa5b697 SHA1: 93ce801c072fa3cabe89cbe99fe335b4d62e3002 SHA256: 584A45DCA84D00B14EDD873BF269AE72A66044C13134E146951B16A5CCD12456 File Size: 5.02 MB, 5015040 bytes

MD5: 7986f0b718c0d7e95fdc2f491f033283 SHA1: acbaa5c70d1d0c26eedd5138d1aad053cce4e9b4 SHA256: 13D1E31F1E8F94350AD2102D17D9522773B2EE1207C7B24FEC6128AFC866DAD7 File Size: 3.04 MB, 3036221 bytes

MD5: bcef13ffd1d27cb525693f8b8c3d0826 SHA1: b8eda99ca10e5cf3c48fd8c162c0790432c9d4d6 SHA256: 42C6210504AAEA0904188AE3A7AA5176891ACCD8CF548A97739A8B9DCEBC63D9 File Size: 3.25 MB, 3248128 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

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

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• 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 Icons

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File Icons

This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.

Windows PE Version Information

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Windows PE Version Information

This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.

Name	Value
Comments	Modified by an unpaid evaluation copy of Resource Tuner 2 (www.heaventools.com) Modified by an unpaid evaluation copy of Resource Tuner 2. http://www.heaventools.com This installation was built with Inno Setup.
Company Name	Hanbitsoft corp. Tantra Elder Scroll
File Description	Setup/Uninstall Tantra AutoUpdater Tantra Client
File Version	51.1052.0.0 6, 9, 0, 6 2.1.0.3
Internal Name	HTLaunch
Legal Copyright	Copyright (c) - 2003 Hanbitsoft corp. khanakat.azurewebsites.net
Original Filename	HTLaunch.exe
Product Name	Tantra Client Tantra Elder Scroll
Product Version	2.1.0.3 1.0 1, 0, 0, 1

File Traits

• 00 section
• 2+ executable sections
• HighEntropy
• Inno
• InnoSetup Installer
• Installer Manifest
• Installer Version
• RT
• VirtualQueryEx
• x86

Block Information

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Block Information

During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.

Total Blocks:	5
Potentially Malicious Blocks:	0
Whitelisted Blocks:	3
Unknown Blocks:	2

Visual Map

0 0 0 ? ?

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

Similar Families

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Similar Families

This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.

• BadJoke.LMG
• Banker.RF
• Casbaneiro.A
• Delf.GFA
• Filecoder.RR

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• Injector.AK
• Installmonstr.EC
• Lumma.GFD
• MSIL.Agent.FG
• Rugmi.IA
• Sheloader.A
• Sheloader.C
• Stealer.KF

Windows API Usage

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Windows API Usage

This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.

Category	API
Other Suspicious	SetWindowsHookEx
User Data Access	GetComputerName GetUserName GetUserObjectInformation
Anti Debug	CheckRemoteDebuggerPresent