Trojan.Filecoder.XF
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.
| Threat Level: | 80 % (High) |
| Infected Computers: | 54 |
| First Seen: | October 24, 2023 |
| Last Seen: | February 19, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Filecoder.XF 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.
Table of Contents
What Is Trojan.Filecoder.XF?
Trojan.Filecoder.XF is a type of Trojan horse malware that can infect your computer and cause significant damage. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to bypass security measures and gain access to your system. The ".Filecoder" part of the name suggests that this malware may be capable of encrypting or modifying files on your computer, although the exact behavior can vary.
How Trojan.Filecoder.XF Operates
Trojan.Filecoder.XF, like other Trojans, typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once inside, it can execute a range of malicious activities, including data theft, file encryption, or installation of additional malware. The exact mechanisms and goals of Trojan.Filecoder.XF are not specified, but its presence is a clear indication that your system's security has been compromised.
Symptoms of Infection
Identifying a Trojan infection can be challenging, as these malware types often operate stealthily. However, some common symptoms include unusual system behavior, such as slow performance, unexpected pop-ups, or unfamiliar programs running in the background. You might also notice that files are missing, encrypted, or that you're being asked for ransom demands. Any of these signs should prompt you to take immediate action to secure your system.
How to Remove Trojan.Filecoder.XF
- Boot your computer in Safe Mode with Networking. This will limit the malware's ability to operate and provide a safer environment for removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the malware and any associated files or programs.
- Uninstall any suspicious programs that you don't recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you're sure are not essential to your system's operation.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This can help remove any malicious extensions or settings that the malware might have installed.
- After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Filecoder.XF requires careful and immediate action to prevent further damage to your system and data. By understanding the nature of this threat and following the steps outlined above, you can take control of your computer's security and protect yourself against future infections. Remember, prevention is key, so always be cautious when downloading software, opening email attachments, or clicking on links from unknown sources. Keeping your operating system, software, and security tools up to date is also crucial in maintaining a secure computing environment.
Analysis Report
General information
| Family Name: | Trojan.Filecoder.XF |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
b08149405665a4acc1c1251b541dde3d
SHA1:
7a37875b61749e8279750dc21d69720342e11270
SHA256:
3F2614642FB804F57104991C09B0748A20B561F65B039BB0DFE757FC7E14E6FA
File Size:
745.98 KB, 745984 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- File is 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- 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 Traits
- GetConsoleWindow
- No Version Info
- x64
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: | 2,101 |
|---|---|
| Potentially Malicious Blocks: | 140 |
| Whitelisted Blocks: | 1,933 |
| Unknown Blocks: | 28 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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\namedpipe\dav rpc service | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| \device\namedpipe\wkssvc | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\$recycle.bin\return_data.html | Generic Write,Read Attributes |
| c:\$winreagent\return_data.html | Generic Write,Read Attributes |
| c:\bootmgr | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bootmgr | Synchronize,Write Attributes |
| c:\bootmgr.datarip | Synchronize,Write Data |
| c:\dumpstack.log.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\alphabet.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\alphabet.xml.datarip | Synchronize,Write Data |
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| c:\program files\common files\microsoft shared\ink\ar-sa\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\ar-sa\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\ar-sa\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\bg-bg\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\bg-bg\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\bg-bg\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\content.xml | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\content.xml.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\cs-cz\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\cs-cz\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\cs-cz\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\da-dk\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\da-dk\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\da-dk\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\de-de\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\de-de\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\de-de\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\el-gr\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\el-gr\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\el-gr\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-gb\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\en-gb\tipresx.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-gb\tipresx.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\inkobj.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\inkobj.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\inputpersonalization.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\inputpersonalization.exe.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\micaut.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\micaut.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\mip.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\mip.exe.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\mshwlatin.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\mshwlatin.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\ink\en-us\rtscom.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\rtscom.dll.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\shapecollector.exe.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\en-us\shapecollector.exe.mui.datarip | Synchronize,Write Data |
| c:\program files\common files\microsoft shared\ink\en-us\tabskb.dll.mui | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\program files\common files\microsoft shared\ink\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\microsoft shared\return_data.html | Generic Write,Read Attributes |
| c:\program files\common files\return_data.html | Generic Write,Read Attributes |
| c:\program files\return_data.html | Generic Write,Read Attributes |
| c:\return_data.html | Generic Write,Read Attributes |
| c:\users\user\downloads\output.bmp | Generic Write,Read Attributes |
| c:\windows\logs\windowsbackup\wbengine.0.etl | Generic Read,Write Data |
| c:\windows\logs\windowsbackup\wbengine.1.etl | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\windows\logs\windowsbackup\wbengine.1.etl | Synchronize,Write Data |
| c:\windows\logs\windowsbackup\wbengine.2.etl | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\windows\logs\windowsbackup\wbengine.3.etl | Generic Read,Write Data,Write Attributes,Write extended,Append data |
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\paidmemes::public | BgIAAACkAABSU0ExAAgAAAEAAQBdK3Wgd6MIBXBnGFa8qyWVXu7U1kqrFyKqwUH8/JGsoxesTkmoh8vukFUZ853GFMiUN8xkiQv79cjHtfbl1/UJL0brnGbJnItJ295m | RegNtPreCreateKey |
| HKCU\software\paidmemes::private | RifLH0bn4rJbKXH2Y/cTQ4jRco3APJI0UtgrG/Sp/bhLesC4Q+tcpasql+XkDTpMJNbzoObqtu1tYMA1p4Y92qtVhkVT+9cuXB3umIwX0xGbHqVBQu2OA12NmbNcRqiL | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\run::babylockerkz | "c:\users\user\downloads\7a37875b61749e8279750dc21d69720342e11270_0000745984" | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 蔣ꝝꉨǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 雋ꞏꉨǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 湄ꞧꉨǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | ꟺꉨǜ | 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 |
|---|---|
| Syscall Use |
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| Encryption Used |
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| Network Urlomon |
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| User Data Access |
|
| Keyboard Access |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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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.
\\?\C:\WINDOWS\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
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\\?\C:\WINDOWS\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
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\\?\C:\WINDOWS\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
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\\?\C:\WINDOWS\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
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C:\WINDOWS\sysnative\cmd.exe C:\WINDOWS\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
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C:\WINDOWS\sysnative\cmd.exe C:\WINDOWS\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
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C:\WINDOWS\sysnative\cmd.exe C:\WINDOWS\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
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C:\WINDOWS\system32\vssadmin.exe vssadmin.exe Delete Shadows /All /Quiet
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C:\WINDOWS\sysnative\cmd.exe C:\WINDOWS\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
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C:\WINDOWS\system32\wbadmin.exe wbadmin delete backup -keepVersion:0 -quiet
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C:\WINDOWS\System32\Wbem\WMIC.exe wmic.exe SHADOWCOPY /nointeractive"
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C:\WINDOWS\system32\bcdedit.exe bcdedit.exe /set {default} recoverynabled No
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