Trojan.Downloader.Agent.BTAL

The detection of Trojan.Downloader.Agent.BTAL on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access to your personal data 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.Downloader.Agent.BTAL?

Trojan.Downloader.Agent.BTAL is a type of Trojan horse malware that is designed to download and install additional malicious software on your computer. The term "Trojan" refers to the fact that this malware disguises itself as a legitimate program or file, allowing it to evade detection and gain access to your system. The "Downloader" component indicates that this malware is capable of downloading and installing other malicious programs, which can lead to a range of serious security issues.

How Trojan.Downloader.Agent.BTAL Operates

Trojan.Downloader.Agent.BTAL typically operates by exploiting vulnerabilities in your system or tricking you into installing it. Once installed, it can download and install additional malware, including viruses, spyware, and other types of malicious software. This can lead to a range of problems, including data theft, system crashes, and compromised security. The malware may also attempt to communicate with its creators or other malicious servers, allowing them to control your system remotely.

Symptoms of Infection

The symptoms of a Trojan.Downloader.Agent.BTAL infection can vary, but common signs include slow system performance, unexpected pop-ups or advertisements, and unfamiliar programs or icons on your desktop. You may also notice that your system is crashing or freezing frequently, or that your personal data is being stolen or compromised. In some cases, you may not notice any symptoms at all, which is why it's essential to run regular virus scans and maintain up-to-date security software.

How to Remove Trojan.Downloader.Agent.BTAL

1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
2. Download and install a reputable anti-malware tool, such as SpyHunter, and run a full scan of your system to detect and remove the malware.
3. Uninstall any suspicious programs or applications that you don't recognize or that were installed around the time of 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 computer and run another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Downloader.Agent.BTAL from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and maintaining up-to-date security software, you can help protect your system from this and other types of malware. Remember to always be cautious when downloading and installing software, and never click on suspicious links or open attachments from unknown sources. By taking these precautions, you can help keep your system safe and secure.

Analysis Report

General information

Family Name:	Trojan.Downloader.Agent.BTAL
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: bb189bbb31cc8cfc759d5e5c9fbe1cf7 SHA1: c550e96311ebc52e9048bba798bce3a8ba441a58 SHA256: 0F881BA60B95EBA8D3B5631663D5DF29231074FE820FEAC9F595B568A292CE4F File Size: 87.04 KB, 87040 bytes

MD5: 80a7c9e3e98036f771ae11b0f09e30b9 SHA1: 78dd9eab3fd7fe2f94e0a109d75771c0d54a54d0 SHA256: 562DEBD7AC04E663D1272CF8B270C8EC4625D69D02420BC6E5D3AF007D206B20 File Size: 66.05 KB, 66048 bytes

MD5: 696d47e2ee0a31e190e3ac54784f9a24 SHA1: f0a776315f89d3386304e8c7cda04e4d6cfa52a1 SHA256: F04D9471C40EA37F2084970B1E95BC7D5C9A38B4E7AE0CB58E57FE13DAEA370C File Size: 64.51 KB, 64512 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 exports table
• File doesn't have relocations information
• File doesn't have security information
• 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
Company Name	https://anne.network Jumpmind, Inc SERPRO
File Description	11.0.1 anne-node SymmetricDS Service
File Version	2a68456 1.0 0.0.1-SNAPSHOT
Internal Name	anne-node irpjpva-fronteira sym_service
Legal Copyright	2024 annechain Copyright © 2020-2025 SERPRO. All rights reserved.
Legal Trademarks	SERPRO
Original Filename	anne-node.exe SpedEcf.exe sym_service.exe
Product Name	anne-node Sped ECF SymmetricDS
Product Version	2a68456 1.0 0.0.1-SNAPSHOT

File Traits

• 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:	312
Potentially Malicious Blocks:	1
Whitelisted Blocks:	311
Unknown Blocks:	0

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 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 0 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

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.

• Downloader.Agent.BTAI
• Downloader.Agent.BTAL
• Exploit.JD
• Sofacy.B
• Teslacrypt.EC

Registry Modifications

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Registry Modifications

This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.

Key::Value	Data	API Name
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries	`$�!�:i��+00�� �Gs]XM���"�2� �FX D�':D��exA-��LG=�A��J� �C �	RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\content::cacheprefix		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\cookies::cacheprefix	Cookie:	RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix	Visited:	RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75	�b  �r� `  � �* ��� �8 \x� �B +� �� �6 �}�� �� 7� xy �� �� ۀ  > �= �����B�O���� �x�% ���8 �5���� Bx�����\�! I �RN�sb! > !wz#@�#�� #�O $kF $��$¨%:�%f�%� '	RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75	�b  �r� `  � �* ��� �8 \x� �B +� �� �6 �}�� �� 7� xy �� �� ۀ  > �= �����B�O���� �x�% ���8 �5���� Bx�����\�! I �RN�sb! > !wz#@�#�� #�O $kF $��$¨%:�%f�%� '	RegNtPreCreateKey
HKCU\software\microsoft\edge\blbeacon::failed_count		RegNtPreCreateKey
HKCU\software\microsoft\edge\blbeacon::state		RegNtPreCreateKey
HKCU\software\microsoft\edge\thirdparty::statuscodes	(NULL)	RegNtPreCreateKey
HKCU\software\microsoft\edge\thirdparty::statuscodes		RegNtPreCreateKey

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HKCU\software\microsoft\edge\elfbeacon::version	141.0.3537.99	RegNtPreCreateKey
HKCU\software\microsoft\edge\blbeacon::state		RegNtPreCreateKey

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
Process Shell Execute	ShellExecute
Syscall Use	ntdll.dll!NtAccessCheck ntdll.dll!NtAlpcSendWaitReceivePort ntdll.dll!NtApphelpCacheControl ntdll.dll!NtAssociateWaitCompletionPacket ntdll.dll!NtClose ntdll.dll!NtCreateFile ntdll.dll!NtCreateMutant ntdll.dll!NtCreateSection ntdll.dll!NtCreateSemaphore ntdll.dll!NtDeleteValueKey Show More ntdll.dll!NtDuplicateToken ntdll.dll!NtFreeVirtualMemory ntdll.dll!NtMapViewOfSection ntdll.dll!NtOpenFile ntdll.dll!NtOpenKey ntdll.dll!NtOpenKeyEx ntdll.dll!NtOpenProcessToken ntdll.dll!NtOpenProcessTokenEx ntdll.dll!NtOpenSection ntdll.dll!NtOpenThreadTokenEx ntdll.dll!NtProtectVirtualMemory ntdll.dll!NtQueryAttributesFile ntdll.dll!NtQueryInformationProcess ntdll.dll!NtQueryInformationToken ntdll.dll!NtQueryKey ntdll.dll!NtQueryLicenseValue ntdll.dll!NtQueryPerformanceCounter ntdll.dll!NtQuerySecurityObject ntdll.dll!NtQuerySystemInformation ntdll.dll!NtQuerySystemInformationEx ntdll.dll!NtQueryValueKey ntdll.dll!NtQueryVirtualMemory ntdll.dll!NtReleaseMutant ntdll.dll!NtSetEvent ntdll.dll!NtSetInformationProcess ntdll.dll!NtSetInformationVirtualMemory ntdll.dll!NtSetInformationWorkerFactory ntdll.dll!NtSetValueKey ntdll.dll!NtTestAlert ntdll.dll!NtUnmapViewOfSection ntdll.dll!NtWaitForSingleObject ntdll.dll!NtWriteFile UNKNOWN
Process Manipulation Evasion	ReadProcessMemory

Shell Command Execution

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Shell Command Execution

This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.

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