Trojan.PShell.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.
| Popularity Rank: | 9,985 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 947 |
| First Seen: | April 27, 2021 |
| Last Seen: | July 15, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.PShell.B on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operations, symptoms, and most importantly, the steps to remove it from your computer.
Table of Contents
What Is Trojan.PShell.B?
Trojan.PShell.B is identified as a Trojan-type threat, which is a broad category of malware designed to allow unauthorized access to a computer system. Trojans can be used for a variety of malicious purposes, including data theft, espionage, and the distribution of additional malware. The name "Trojan.PShell.B" itself does not directly imply a specific malware family but indicates it has been classified under the Trojan category due to its behavior and characteristics.
How Trojan.PShell.B Operates
Trojan.PShell.B, like other Trojans, operates by disguising itself as legitimate software to deceive users into installing it on their systems. Once installed, it can create a backdoor that allows remote access to the infected computer, enabling the attacker to perform various malicious activities. These can include stealing sensitive information, installing additional malware, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming.
Symptoms of Infection
Symptoms of a Trojan.PShell.B infection can vary widely depending on its intended use and the specific actions of the attackers. Common signs include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and icons appearing on the desktop. Additionally, users might notice increased network activity, even when no programs are running, or find that their personal files have been encrypted or tampered with. However, some Trojans are designed to operate stealthily, making them difficult to detect without proper security software.
How to Remove Trojan.PShell.B
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the Trojan.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the infection was detected.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all components of the Trojan have been removed.
Conclusion
The removal of Trojan.PShell.B requires careful and methodical steps to ensure that all components of the malware are eliminated from the infected system. It is crucial to use reputable security software and follow best practices for system hygiene and security to prevent future infections. Regularly updating your operating system, applications, and security software, along with being cautious when opening emails or downloading software from the internet, can significantly reduce the risk of malware infections. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is thoroughly cleaned and secured.
Analysis Report
General information
| Family Name: | Trojan.PShell.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
baa7e6e46d494de4a33c66dc8c9ce783
SHA1:
fd268d52680785ce821825a635ee1f22cec9c97d
SHA256:
D54B605A79C76760BACBB7CA5687D1C5CB139F5B1FC8C7B1244589C01EE248A0
File Size:
125.95 KB, 125952 bytes
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MD5:
efa1aef234159a52e73e7eeb48236194
SHA1:
55558a2b6911121dbea5e9a199d3225cb5e61829
SHA256:
F6EFD3A1A7D8524B9BB614FD5506CB57F3328B0243997B5130DF00D996C85F7E
File Size:
163.33 KB, 163328 bytes
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MD5:
83eba46f99454caea582e1fb44d204d9
SHA1:
de931e29edcf21aacb1663ac83c742d9a4ecee78
SHA256:
57FBA527C7B54ED1EE16DCBB7E4513D1F50E57BB9C469E40EF57AF6C0214F501
File Size:
375.81 KB, 375808 bytes
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MD5:
ecf15cb8abcd092c35790a33dfee5d43
SHA1:
191c4692f38a1a7496db6ea5f86b551c4c2abfdb
SHA256:
B2D469CC6F7AAF7B6F76054E96E65150BA5C9B75DDE4E52677765F765DACD106
File Size:
174.59 KB, 174592 bytes
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MD5:
da860981c3c753ccd2b950e743b2e858
SHA1:
5fa7a7df262ca7e3c08c7481e45ee18492bf0c94
SHA256:
582C715EDDC34CD904BBCBD1A75E9702FD8BB8F43C8A5DBA6F35BCC5B093FF89
File Size:
548.35 KB, 548352 bytes
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MD5:
bf2974e472dd32f414ced43d7d291ad4
SHA1:
662e7405cf97b878ecdf0ceba7e3376226bf7d30
SHA256:
E578EC1C32E116F8CD44D33ADC6C421E6048C313D143550996EFD91808CC8C52
File Size:
105.98 KB, 105984 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 relocations information
- 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 GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
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- 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 Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
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 |
|---|---|
| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Product Name |
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| Product Version |
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File Traits
- 2+ executable sections
- HighEntropy
- Installer Version
- 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: | 357 |
|---|---|
| Potentially Malicious Blocks: | 18 |
| Whitelisted Blocks: | 339 |
| 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.- Agent.OCD
- Bitcoinminer.B
- Cryptobit.E
- Gamehack.BQ
- PShell.A
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- PShell.B
- Trojan.Kryptik.Gen.DNO
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 | Generic Read,Write Attributes |
| \device\namedpipe | Generic Write,Read Attributes |
| c:\3a46.tmp\3a56.bat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\4fdc.tmp\4fdd.bat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bb27.tmp\bb28.bat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bf72.tmp\bf73.ps1 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bf72.tmp\include\? | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bf72.tmp\include\? | Generic Write,Read Attributes |
| c:\bf72.tmp\include\lgpo.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\bf72.tmp\include\newrule.txt | Generic Read,Write Data,Write Attributes,Write extended,Append data |
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| c:\bf72.tmp\include\sc.ico | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\d18c.tmp\d18d.bat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\d94c.tmp\d94d.bat | 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 |
|---|---|---|
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | ᯐꆟ䕞ǜ | 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\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 쪊엿冈ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 迸옄冈ǜ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | h� xy kP~ �ރ ��� ��^ ۴� }� � Vs} kP~ ��1 u �� ��� d B F e �� ��1 U �� h �n� } e�� e�� | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 恆ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 섑恆ǜ | RegNtPreCreateKey |
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| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | t= xy �ރ ��^ ��z eeX Vs} kP~ ��1 # �� e e�� ��1 �� f e�� i ( e�� r P � v e�� | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 〱눈ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | ឦ㒓ﶹǜ | 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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21 additional items are not displayed above. |
| Process Shell Execute |
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| Anti Debug |
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| User Data Access |
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| Process Terminate |
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| Process Manipulation Evasion |
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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\system32\cmd" /c "\D18C.tmp\D18D.bat c:\users\user\downloads\fd268d52680785ce821825a635ee1f22cec9c97d_0000125952"
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C:\WINDOWS\system32\mode.com mode con: cols=100 lines=8
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C:\WINDOWS\System32\Wbem\WMIC.exe wmic csproduct get name
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open C:\WINDOWS\system32\cmd /c "\3A46.tmp\3A56.bat c:\users\user\downloads\55558a2b6911121dbea5e9a199d3225cb5e61829_0000163328"
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WriteConsole: The system canno
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open C:\WINDOWS\system32\cmd /c "\D94C.tmp\D94D.bat c:\users\user\downloads\de931e29edcf21aacb1663ac83c742d9a4ecee78_0000375808"
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WriteConsole:
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WriteConsole: c:\users\user\do
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WriteConsole: "C:\Program File
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"C:\WINDOWS\system32\cmd" /c "\BB27.tmp\BB28.bat c:\users\user\downloads\191c4692f38a1a7496db6ea5f86b551c4c2abfdb_0000174592"
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C:\WINDOWS\system32\net.exe net stop spooler
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C:\WINDOWS\system32\net.exe net start spooler
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"powershell" �NoProfile -ExecutionPolicy Bypass -File \BF72.tmp\BF73.ps1
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"C:\WINDOWS\system32\cmd" /c "\4FDC.tmp\4FDD.bat c:\users\user\downloads\662e7405cf97b878ecdf0ceba7e3376226bf7d30_0000105984"
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