Trojan.Agent.JFA
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 23,561 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 1 |
| First Seen: | June 16, 2023 |
| Last Seen: | April 28, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.JFA 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 to prevent further damage.
Table of Contents
What Is Trojan.Agent.JFA?
Trojan.Agent.JFA is a type of Trojan horse malware that can infect your computer through various means, such as opening malicious email attachments, visiting compromised websites, or downloading infected software. Once installed, it can allow unauthorized access to your system, steal sensitive information, and disrupt your computer's normal functioning. The name "Trojan.Agent.JFA" suggests that it is a type of Trojan horse malware, but its specific characteristics and behaviors may vary.
How Trojan.Agent.JFA Operates
Trojan horse malware like Trojan.Agent.JFA typically operates by disguising itself as a legitimate program or file, making it difficult to detect. It can create backdoors, allowing hackers to remotely access and control your system, and can also spread other types of malware, such as viruses, spyware, or adware. Trojan.Agent.JFA may also attempt to evade detection by anti-virus software by using various techniques, such as code obfuscation or encryption.
Symptoms of Infection
If your system is infected with Trojan.Agent.JFA, you may experience a range of symptoms, including 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 and alerts. Additionally, you may find that your browser settings have been changed, or that your personal data is being stolen or compromised.
- Unexplained changes to your system settings or configuration
- Unusual or suspicious network activity
- Slow system performance or frequent crashes
- Unfamiliar programs or icons on your desktop
- Unexpected pop-ups and alerts
How to Remove Trojan.Agent.JFA
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect and remove all instances of Trojan.Agent.JFA
- Uninstall any suspicious programs or applications that may be related to the malware
- Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings to remove any malicious extensions or add-ons
- Reboot your system and perform another full scan to ensure that all remnants of the malware have been removed
Conclusion
Removing Trojan.Agent.JFA from your system requires a combination of technical expertise and caution. By following the steps outlined above and using reputable anti-malware tools, you can help to ensure the removal of this malware and prevent further damage to your system. It's essential to remain vigilant and take proactive steps to protect your system from future malware threats, including keeping your operating system and software up to date, using strong antivirus software, and avoiding suspicious emails and downloads.
Analysis Report
General information
| Family Name: | Trojan.Agent.JFA |
|---|---|
| Packers: | UPX |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
471d39a51a79f342033c5b0636c244dc
SHA1:
b0324ddd99677d9b0458c7328879f8fde268effc
SHA256:
1154535130D546EAA33BBC9051A9CB91E2B0E3A3991286C3D5B0A708110C9AA7
File Size:
2.80 MB, 2801690 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 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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- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
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.
File Traits
- big overlay
- No Version Info
- packed
- x86
Block Information
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: | 552 |
|---|---|
| Potentially Malicious Blocks: | 182 |
| Whitelisted Blocks: | 370 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
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.- Agent.JFA
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| \device\harddisk0\dr0 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| \device\namedpipe\gmdasllogger | Generic Write,Read Attributes |
| c:\program files (x86)\wina\instructions.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files (x86)\wina\onstartup.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files (x86)\wina\onstartup_fallback.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files (x86)\wina\uninstallparti.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files (x86)\wina\uninstallpartii.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files (x86)\wina\wina.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\program files (x86)\wina\wina.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\bombermania.exedir\bombermania.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
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| c:\users\user\appdata\local\temp\is-jl9qr.tmp\_shfoldr.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\is-v68lk.tmp\is-021v2.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\antivirus live update.lnk | Synchronize,Write Attributes |
| c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\live update.lnk | Synchronize,Write Attributes |
| c:\users\user\downloads\_bombermania.exe | Generic Write,Read Attributes |
| c:\users\user\downloads\_bombermania.exe | Synchronize,Write Attributes |
| c:\users\user\downloads\instructions.xml | Generic Write,Read Attributes |
| c:\users\user\downloads\instructions.xml | Synchronize,Write Attributes |
| c:\users\user\downloads\multipurposeagent_myfilenamereport.xml | Generic Write,Read Attributes |
| c:\users\user\downloads\multipurposeagent_myfilenamereport.xml | Synchronize,Write Attributes |
| c:\users\user\downloads\onstartup.xml | Generic Write,Read Attributes |
| c:\users\user\downloads\onstartup.xml | Synchronize,Write Attributes |
| c:\users\user\downloads\onstartup_fallback.xml | Generic Write,Read Attributes |
| c:\users\user\downloads\onstartup_fallback.xml | Synchronize,Write Attributes |
| c:\users\user\downloads\uninstallparti.xml | Generic Write,Read Attributes |
| c:\users\user\downloads\uninstallparti.xml | Synchronize,Write Attributes |
| c:\users\user\downloads\uninstallpartii.xml | Generic Write,Read Attributes |
| c:\users\user\downloads\uninstallpartii.xml | Synchronize,Write Attributes |
Registry Modifications
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 |
|---|---|---|
| HKLM\software\wow6432node\microsoft\windows\currentversion\run::live update | C:\Program Files (x86)\WinA\WinA.exe OnStartup.xml | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::live update | C:\Program Files (x86)\WinA\WinA.exe OnStartup_FallBack.xml | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\windows\currentversion\uninstall\wina::displayname | WinA | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\windows\currentversion\uninstall\wina::uninstallstring | C:\Program Files (x86)\WinA\WinA.exe UninstallPartI.xml | 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 | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey |
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| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | 陋 ȁ 獖} | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | Pl + �vT�����!wz (�(X�1`1�1HO @V� H[u_�zb"hi��k`k�qrnJ u�~ w�n{b��P� �����7� M��� �������.� ��m� Ù� �IV �� ����$�8წ���&M�(!��o ��j � �=�S/� B1_ T�Vw�`�V�R� ��%������ �AE�Q] �� | RegNtPreCreateKey |
Windows API Usage
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 |
|---|---|
| Anti Debug |
|
| User Data Access |
|
| Process Manipulation Evasion |
|
| Process Shell Execute |
|
Shell Command Execution
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.
open C:\Users\Oickdydo\AppData\Local\Temp\Bombermania.exeDir\Bombermania.exe
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"C:\Users\Oickdydo\AppData\Local\Temp\is-V68LK.tmp\is-021V2.tmp" /SL4 $E0390 C:\Users\Oickdydo\AppData\Local\Temp\Bombermania.exeDir\Bombermania.exe 2384405 50688
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