Trojan.Redline.FB
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: | 23,242 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 2,997 |
| First Seen: | January 24, 2023 |
| Last Seen: | June 24, 2026 |
| OS(es) Affected: | Windows |
Security analysts have identified a threat detected as Trojan.Redline.FB, a malicious program designed to infiltrate Windows operating systems and compromise user privacy. Operating as a standard Windows PE executable, this threat lacks a valid digital signature, which is a common characteristic of unauthorized or malicious software. Because it does not belong to a verified publisher, users should treat this detection with caution and take immediate steps to isolate and remove the offending file from their systems.
Table of Contents
What Is Trojan.Redline.FB?
Trojan.Redline.FB is a detection name assigned to a suspicious Windows PE executable that exhibits behavior consistent with Trojan horse malware. A Trojan of this nature operates under the guise of legitimate software or hides within system processes to avoid detection. The analyzed file associated with this threat does not possess a valid digital signature. In the cybersecurity landscape, the absence of a signature indicates that the file has not been authenticated by a recognized certificate authority, making its origin unverified and its presence on a computer potentially dangerous. This type of software is typically distributed through deceptive tactics, such as malicious email attachments, compromised software bundles, or unauthorized downloads from untrustworthy sources.
How Trojan.Redline.FB Operates
Once executed on a target machine, Trojan.Redline.FB leverages its structure as a Windows PE executable to initiate unauthorized processes. Because the file is unsigned, the operating system cannot verify its integrity, allowing it to execute arbitrary commands. Trojans of this classification generally operate silently in the background to maintain persistence. They may attempt to modify system configurations, alter registry keys, or inject code into legitimate system processes to evade security barriers. Furthermore, this type of threat often establishes unauthorized network communications, connecting to external infrastructure to receive operational instructions, download additional payloads, or transmit collected data away from the local machine.
Symptoms of Infection
Identifying a Trojan.Redline.FB infection can be challenging because Trojans are designed to operate stealthily. However, users may notice several general symptoms indicating that an unauthorized executable is running on their system:
- Unexpected degradation in system performance or frequent freezing.
- Unexplained network activity, even when no legitimate applications are running.
- Disabled or altered security software, including firewalls and anti-malware tools.
- The sudden appearance of unfamiliar files or programs in the system's task manager or startup folders.
- Unusual system errors or crashes during routine operations.
How to Remove Trojan.Redline.FB
To effectively eliminate Trojan.Redline.FB from an infected machine, users should follow a structured removal process to ensure all malicious components are eradicated:
- Boot the computer into Safe Mode with Networking to prevent the malicious executable from launching automatically and to limit its ability to communicate with external servers.
- Run a full system scan using a reputable anti-malware tool such as SpyHunter to detect and quarantine the unsigned PE executable and any associated malicious files.
- Uninstall suspicious or unrecognized programs from the Windows Control Panel to remove any potentially unwanted applications that may have facilitated the initial infection.
- Reset Google Chrome, Mozilla Firefox, and Microsoft Edge to their default settings to clear unauthorized extensions, altered preferences, and stored malicious cookies.
- Reboot the computer normally into the standard Windows environment and perform a secondary re-scan with your anti-malware solution to confirm that the threat has been completely removed.
Conclusion
The presence of Trojan.Redline.FB represents a significant security risk due to its nature as an unsigned Windows PE executable. Without verified publisher credentials, this threat can facilitate unauthorized system access, data theft, and further malware deployment. Users must prioritize proactive security measures, including the use of legitimate anti-malware protection and careful scrutiny of downloaded files. Promptly removing this detection using a comprehensive security tool is essential to restoring the integrity and safety of the affected system.
Analysis Report
General information
| Family Name: | Trojan.Redline.FB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
479c1783afec912f998b0338c24ab1b1
SHA1:
5385405153b9dcb40333ae33330bfc7868c4c4f4
SHA256:
13926CFA4655787425F30C87C44A4321D6DE6BF41895540D340DBCEA9F72B035
File Size:
1.49 MB, 1492480 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have resources
- File doesn't have security 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)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- HighEntropy
- No Version Info
- 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: | 995 |
|---|---|
| Potentially Malicious Blocks: | 9 |
| Whitelisted Blocks: | 978 |
| Unknown Blocks: | 8 |
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 |
|---|---|
| c:\users\user\appdata\roaming\1uftmwwnxd.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\1uftmwwnxd.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\roaming\69k0oir4x1.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\microsoft\windows\start menu\programs\startup\svhost.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
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\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | 鴔 ȁ ਪˣ 鈯ˣ 遙̃ 豤̃ অˣ 炑̃ 龡^ 濖̃ 賬̃ 獖} 偫~ 엦1 ˣ 邯̃ 뫯ʃe ꙥఆ 엦1' ¶i ꙥr I ֢v ꙥ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 罓唷ˮǝ | 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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| Syscall Use |
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| User Data Access |
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| Anti Debug |
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| Process Terminate |
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| Encryption Used |
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