Trojan.Injector.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: | 10,137 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 64 |
| First Seen: | October 19, 2023 |
| Last Seen: | June 24, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Injector.JFA on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate and compromise your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Trojan.Injector.JFA?
Trojan.Injector.JFA is a type of Trojan horse malware that can infect your computer through various means, such as exploited vulnerabilities, phishing attacks, or drive-by downloads. Once installed, it can create a backdoor on your system, allowing remote access and control by the malware authors. This can lead to a range of malicious activities, including data theft, keystroke logging, and the installation of additional malware.
How Trojan.Injector.JFA Operates
Trojan.Injector.JFA operates by injecting malicious code into legitimate processes, allowing it to evade detection and persist on your system. It can also modify system settings and registry entries to maintain its presence and ensure continued access. The malware may communicate with its command and control servers to receive updates, transmit stolen data, or receive instructions from the malware authors.
Symptoms of Infection
Infected systems 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 disguise itself as a legitimate program or system process, making it difficult to detect without proper security software.
- Unexplained changes to system settings or registry entries
- Unfamiliar programs or icons on your desktop
- Slow system performance or frequent crashes
- Unusual network activity or unexpected pop-ups
How to Remove Trojan.Injector.JFA
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the malware.
- Uninstall any suspicious programs or applications that may be related to the malware.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Injector.JFA requires a combination of technical expertise and caution. It is essential to follow proper removal procedures to ensure that the malware is completely eliminated and your system is restored to a safe and secure state. By understanding the nature of this threat and taking prompt action, you can protect your system and data from further compromise. Remember to always use reputable security software and keep your operating system and applications up to date to prevent future infections.
Analysis Report
General information
| Family Name: | Trojan.Injector.JFA |
|---|---|
| Packers: | UPX x64 |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
298bc29670a977a4b3e02342bc296a6c
SHA1:
5231b40722cf2930ce237eb7b3b8169d256e2618
File Size:
983.13 KB, 983132 bytes
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MD5:
df3b11a80a362fcd52e71c52711277f0
SHA1:
be2ae84a88f079a063fd9c294197786321653b92
SHA256:
644B685B3B059FE9C17FAC21819406E103694229AF63C9ABC064ED714BD30284
File Size:
947.85 KB, 947848 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 64-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)
- 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
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
- No Version Info
- VirtualQueryEx
- WriteProcessMemory
- x86
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 |
|---|---|
| c:\soft\bcdtool\bcdedpe.exe | Generic Write,Read Attributes |
| c:\soft\bcdtool\bcdedpe.exe | Synchronize,Write Attributes |
| c:\soft\bcdtool\bcdtool.exe | Generic Write,Read Attributes |
| c:\soft\bcdtool\bcdtool.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\bcdtool\bcdedpe.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\bcdtool\bcdedpe.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\bcdtool\bcdtool.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\bcdtool\bcdtool.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\bcdtool\killduplicate.cmd | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\bcdtool\killduplicate.cmd | 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 |
|---|---|---|
| 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 | |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | ⮋쥹☚ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ⮋쥹☚ǜ | 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 |
|---|---|
| Process Manipulation Evasion |
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| Process Shell Execute |
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| User Data Access |
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| Syscall Use |
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149 additional items are not displayed above. |
| Anti Debug |
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| Process Terminate |
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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.
(NULL) BcdTool.exe
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(NULL) cmd /c ""C:\Users\Obxqcuqm\AppData\Local\Temp\BcdTool\KillDuplicate.cmd" "C:\Users\Obxqcuqm\AppData\Local\Temp\BcdTool" "be2ae84a88f079a063fd9c294197786321653b92_0000947848""
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WriteConsole: The system canno
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