Keylogger.Refog.B
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: | 497 |
| First Seen: | December 8, 2012 |
| Last Seen: | March 10, 2026 |
| OS(es) Affected: | Windows |
The detection of Keylogger.Refog.B on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software designed to capture and record keystrokes, potentially leading to serious privacy and security issues. It is essential to understand the nature of this threat and take prompt action to remove it and protect your system and personal data.
Table of Contents
What Is Keylogger.Refog.B?
Keylogger.Refog.B is identified as a Trojan-type threat, which means it is a malicious program that disguises itself as legitimate software. Trojans are known for their ability to grant unauthorized access to a computer system, allowing attackers to steal sensitive information, install additional malware, or disrupt system operations. The "Keylogger" part of the name indicates that this specific threat is designed to log keystrokes, which could be used to steal passwords, credit card numbers, or other sensitive information.
How Keylogger.Refog.B Operates
Once installed on a system, Keylogger.Refog.B operates by monitoring and recording keystrokes. This can happen without the user's knowledge, as the malware is designed to run in the background and avoid detection. The recorded keystrokes are then sent to the attacker, who can use the information for malicious purposes. Keyloggers like Keylogger.Refog.B can be particularly dangerous because they can capture a wide range of sensitive information, from login credentials to financial data.
Symptoms of Infection
Symptoms of a Keylogger.Refog.B infection can be subtle and may not always be immediately apparent. However, common signs include unusual system behavior, such as unexpected slowdowns, pop-ups, or changes in browser settings. In some cases, users may notice that their keyboard or mouse input is being recorded or that their login credentials are being used without their authorization. It's also possible for the system to show no obvious symptoms, making regular scans with anti-malware tools crucial for detection.
How to Remove Keylogger.Refog.B
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of Keylogger.Refog.B and any other malware that may be present.
- Uninstall any suspicious programs or applications that you do not recognize or no longer need, as these could be related to the malware infection.
- Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and perform another full scan with your anti-malware tool to ensure that all malware has been successfully removed.
Conclusion
Removing Keylogger.Refog.B requires a combination of technical knowledge and the right tools. By following the steps outlined above and maintaining good cybersecurity practices, such as regularly updating your operating system and applications, using strong, unique passwords, and being cautious when clicking on links or downloading software, you can help protect your system and personal data from future malware infections. Remember, vigilance and proactive measures are key to preventing and removing malware threats like Keylogger.Refog.B.
Analysis Report
General information
| Family Name: | Keylogger.Refog.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
b673b5d5b59988e0dd63cb8d4d0b29dd
SHA1:
988d2416735d080f8106fc83a7a0d9f37f9ee055
SHA256:
252627BC12172C3D94FD7A0FAA00B438CF21ABA69FF752872C14F58C061A5B86
File Size:
634.37 KB, 634368 bytes
|
|
MD5:
698cb79b86f35d7f573793291f890366
SHA1:
4834d312920ba5c11bab5dbc8da13be0185981a9
SHA256:
2A69EE2832AA87237B6EDF10432A388CB2E4D5973610D153A0CD2252879919C8
File Size:
634.37 KB, 634368 bytes
|
|
MD5:
e0f14836e9dccd64530ff264d3dd45e4
SHA1:
6459713a9d51b59a780a563cf0a8cfb1f5b9be82
SHA256:
A3FAFA4131FCC6B6B836AFE958FB56FB514D20966E2138D3ADAD66BD4B42D271
File Size:
634.37 KB, 634368 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have security information
- File has exports table
- File is 64-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)
Show More
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
Windows PE Version Information
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 |
|---|---|
| File Version |
|
| Product Version |
|
File Traits
- dll
- 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: | 950 |
|---|---|
| Potentially Malicious Blocks: | 67 |
| Whitelisted Blocks: | 883 |
| 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.- Refog.B
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\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | �l Bx 1HO @V� N$y�^�P� ��!� � ��3�� ��� �`��m� ��p�V �$�[��l� �~ `�V����� �Q] �� @ K� A *�" C ��| | 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 |
Show More
4 additional items are not displayed above. |
