Trojan.FakeMS.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: | 66 |
| First Seen: | December 8, 2012 |
| Last Seen: | December 16, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.FakeMS.B indicates that your system has been compromised by a potentially harmful piece of software. This report aims to provide you with a comprehensive understanding of the threat, its operational methods, symptoms of infection, and most importantly, guidance on how to remove it from your system.
Table of Contents
What Is Trojan.FakeMS.B?
Trojan.FakeMS.B is identified as a Trojan-type threat, which means it is designed to deceive users into installing it on their systems by disguising itself as legitimate software. Trojans are known for their ability to create backdoors on infected systems, allowing attackers to access and control the system remotely. This can lead to a variety of malicious activities, including data theft, installation of additional malware, and exploitation of system resources for spamming or cryptocurrency mining.
How Trojan.FakeMS.B Operates
Once installed, Trojan.FakeMS.B can operate in various ways, depending on its intended purpose by its creators. It may start by scanning the system for sensitive information such as login credentials, credit card numbers, or personal data. It can also install additional malware or create a backdoor to allow remote access to the system. The Trojan may communicate with its command and control servers to receive updates or send stolen data. Its operational methods can vary, making it a versatile and potentially dangerous threat.
Symptoms of Infection
Symptoms of a Trojan.FakeMS.B infection can be subtle and may not always be immediately apparent. However, common indicators include unusual system behavior such as slowed performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice changes in your system settings or the presence of suspicious processes running in the background. In some cases, the Trojan may trigger pop-ups or display fake alerts to deceive the user into performing certain actions that could further compromise the system.
How to Remove Trojan.FakeMS.B
- Enter Safe Mode with Networking: This will prevent the Trojan from loading and allow you to perform removal steps without interference. Restart your computer and press the key to enter safe mode (this varies by system but is often F8).
- Perform a Full Scan with a Reputable Tool: Utilize a reputable anti-malware tool, such as SpyHunter, to scan your system thoroughly. These tools are designed to detect and remove malware, including Trojans like Trojan.FakeMS.B.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you do not recognize or that were installed around the time the infection was detected.
- Reset Your Web Browsers: Trojans often affect web browsers, so resetting Chrome, Firefox, Edge, or any other browser you use can help remove any malicious extensions or settings changes made by the Trojan.
- Reboot and Re-scan: After completing the above steps, reboot your system to ensure all changes take effect, and then perform another scan to verify that the Trojan has been successfully removed.
Conclusion
Removing Trojan.FakeMS.B requires careful and methodical steps to ensure the malware is completely eradicated from your system. It's crucial to stay vigilant and keep your antivirus and anti-malware tools updated to protect against future threats. Regularly backing up important data and being cautious when installing software or clicking on links can also help prevent infections. If you're unsure about any part of the removal process, consider consulting with a professional to ensure your system is fully secured and protected.
Analysis Report
General information
| Family Name: | Trojan.FakeMS.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
a69e9f02881d423e8494ceee0e90208c
SHA1:
e5a39346b033a45a9f2c2a7fc86e2f1db1ceb7d0
SHA256:
EDD28BAF3925E8CD13C2564A1900178EFC3FC4542244768AC1726C96BBED502F
File Size:
32.26 KB, 32256 bytes
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MD5:
480a8f17d258492ddf537badfd758831
SHA1:
10e152c2fdc8fb4157bb0b68a37c063ffbf48bfb
SHA256:
C07C98AC65660A9DF9006D87290CDD358B7D57662C657FF3D183C80C81C0C38E
File Size:
28.16 KB, 28160 bytes
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MD5:
3b87a560205b878501b5a60fb598e152
SHA1:
414c20b11604b16eabef24d7df73cace21acd6c4
SHA256:
611F9633F42ADFE1752293AD5D1709FA7135C4FCD7F6F99A66C0601C4D24AF0C
File Size:
30.72 KB, 30720 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 security information
- File is .NET application
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI 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)
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 |
|---|---|
| Assembly Version | 0.0.0.0 |
| File Version | 0.0.0.0 |
| Internal Name |
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| Original Filename |
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| Product Version | 0.0.0.0 |
File Traits
- .NET
- 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: | 52 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 52 |
| 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.- MSIL.Agent.FSDA
- MSIL.FakeMS.HK
- MSIL.FakeMS.LA
- MSIL.FakeMS.QA
- MSIL.FakeMS.QF
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- MSIL.FakeMS.QH
- MSIL.FakeMS.QL
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\pshost.134038039460099321.288.defaultappdomain.e5a39346b033a45a9f2c2a7fc86e2f1db1ceb7d0_0000032256 | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\pshost.134102366912553472.1612.defaultappdomain.10e152c2fdc8fb4157bb0b68a37c063ffbf48bfb_0000028160 | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\pshost.134104430028761726.8676.defaultappdomain.414c20b11604b16eabef24d7df73cace21acd6c4_0000030720 | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\wkssvc | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_1meg5bog.xb3.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_5pf015ty.nbv.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_bhpzvect.m4y.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_gn1eu3bb.vjg.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_hzxrygrx.wm1.ps1 | Generic Write,Read Attributes |
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| c:\users\user\appdata\local\temp\__psscriptpolicytest_xcli0ldl.yuv.ps1 | Generic Write,Read 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\control\lsa::netjoinlegacyaccountreuse | 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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15 additional items are not displayed above. |
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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| Other Suspicious |
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| Network Winsock2 |
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| Network Winsock |
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