Trojan.Keylogger.K
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: | 202 |
| First Seen: | October 21, 2021 |
| Last Seen: | April 23, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Keylogger.K on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to secretly monitor and record keystrokes, potentially leading to the theft of sensitive information such as passwords, credit card numbers, and other personal data.
Table of Contents
What Is Trojan.Keylogger.K?
Trojan.Keylogger.K is a type of Trojan horse malware that disguises itself as a legitimate program or file, allowing it to evade detection and gain unauthorized access to a computer system. Once installed, it can capture keystrokes, including login credentials, credit card numbers, and other sensitive information, and transmit them to a remote server or attacker.
How Trojan.Keylogger.K Operates
Trojan.Keylogger.K operates by exploiting vulnerabilities in software or tricking users into installing it through phishing emails, infected downloads, or infected websites. Once installed, it can run in the background, secretly monitoring and recording keystrokes, and potentially installing additional malware or creating backdoors for remote access. The malware may also attempt to evade detection by disabling security software or hiding its presence from the system.
Symptoms of Infection
Symptoms of a Trojan.Keylogger.K infection may include unusual system behavior, such as slow performance, unexpected pop-ups, or unfamiliar programs running in the background. Users may also notice that their keyboard or mouse is not responding as expected, or that their browser is redirecting to unfamiliar websites. In some cases, the malware may not exhibit any noticeable symptoms, making it difficult to detect without proper security software.
- Unexplained system crashes or freezes
- Unfamiliar programs or icons on the desktop
- Unexpected changes to browser settings or homepage
- Slow system performance or lag
How to Remove Trojan.Keylogger.K
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for a clean removal process.
- Run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove the malware and any associated files or registry entries.
- 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 run another full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Keylogger.K requires a thorough and multi-step approach to ensure that the malware is completely eradicated from the system. By following the steps outlined above and maintaining good security practices, such as regularly updating software and using strong antivirus protection, users can help protect themselves against this and other types of malware. It is essential to remain vigilant and proactive in maintaining system security to prevent future infections and protect sensitive information from falling into the wrong hands.
Analysis Report
General information
| Family Name: | Trojan.Keylogger.K |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
b018275a37edabe9487afa1de1d5f060
SHA1:
229d7c3868f899883e21ee1540b6c5eb00165fdd
SHA256:
760FEF44B7DEA80CDDFC8DAE0A0BFCA29A80E128400018D19E37C3B0F87E4302
File Size:
1.56 MB, 1556992 bytes
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MD5:
b72614fae456bb14adec676664f23ece
SHA1:
71d09bd0615225f31c84d14dca33901cb9a7d7cd
SHA256:
BEF5115EC7A9C6BEF1CB748E541141BD575864EF416C60D3518E18F5B31356A4
File Size:
1.56 MB, 1555968 bytes
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MD5:
13d1baefa885325aa5880cf91d59dc01
SHA1:
0856ca24349a4bd81bd22255210e784a3b7b23fa
SHA256:
6C510F28BAFF84221E49DFA0A328F8E72B7A8AB84D507592F24FFD28EDFF577B
File Size:
1.56 MB, 1555968 bytes
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MD5:
477b9cfc41cf699ce2c8a3685dc30806
SHA1:
64f1ecfb4679f79af860b1d3fa247c0b441ce9e9
SHA256:
B9FA3BA7E69B8B1B8D3C9A8166CDE6C761B18F5B727281502FA1A2817D183A96
File Size:
1.50 MB, 1495040 bytes
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MD5:
7f60bfe345832f67db31cbe6aca4ac9c
SHA1:
3b06c11e910025f54a104af9782651a4f7235017
SHA256:
21F571118AEC5DAB5740F26B55766D12EF11626197BD8F2CED673154C27B47E2
File Size:
1.56 MB, 1555968 bytes
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MD5:
eb5bbf9c91050aa0d54a8f3f638170ac
SHA1:
70218f97cb62f730f48c8f0cb811bf43d470fd1e
SHA256:
4573BEA1CA2EB77F592B36F4A5513F7435B956F91D0DC79C6F376846401733D8
File Size:
5.77 MB, 5773824 bytes
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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 security information
- File has exports table
- File has TLS information
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- 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)
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 |
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| Product Version |
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File Traits
- 2+ executable sections
- ntdll
- VirtualQueryEx
- WriteProcessMemory
- 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: | 17,155 |
|---|---|
| Potentially Malicious Blocks: | 1,456 |
| Whitelisted Blocks: | 14,878 |
| Unknown Blocks: | 821 |
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.- KeyLogger.C
- Keylogger.K
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\system\controlset001\control\servicegrouporder::list | System Reserved EMS WdfLoadGroup Boot Bus Extender System Bus Extender SCSI miniport Port Primary Disk SCSI Class SCSI CDROM Cla | 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 |
|---|---|
| User Data Access |
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| Service Control |
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