Trojan.MSIL.Agent.SKJ

The detection of Trojan.MSIL.Agent.SKJ indicates that a potentially malicious program has been identified on your system. This name suggests it is a type of Trojan, which is a broad category of malware that can perform a variety of harmful actions on an infected computer. Understanding what this detection means and how to address it is crucial for maintaining the security and integrity of your system.

What Is Trojan.MSIL.Agent.SKJ?

Trojan.MSIL.Agent.SKJ, as a detected threat, falls under the umbrella of Trojan horses, which are malicious programs that disguise themselves as legitimate software. The term "Trojan" in the name refers to its ability to deceive users about its true intent, much like the legendary Trojan Horse. These types of malware can be designed to perform a wide range of malicious activities, from stealing sensitive information to disrupting system operations. The "MSIL" part of the name refers to Microsoft Intermediate Language, which is a component of the .NET Framework, suggesting that this malware might be written in a .NET language and could potentially affect systems running Microsoft Windows.

How Trojan.MSIL.Agent.SKJ Operates

Trojan.MSIL.Agent.SKJ, like other Trojans, operates by first gaining unauthorized access to a computer system, often through deception or exploitation of vulnerabilities. Once inside, it can execute a variety of malicious actions, depending on its design. This can include data theft, where it collects and sends sensitive information like passwords, credit card numbers, or personal data back to its creators. It might also install additional malicious software, provide unauthorized access to the system for further malicious activities, or disrupt system operation to cause chaos or demand ransom.

Symptoms of Infection

Identifying a Trojan infection can be challenging because these malware types are designed to be stealthy. However, there are several symptoms that might indicate the presence of Trojan.MSIL.Agent.SKJ or similar malware. These include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and icons. You might also notice increased network activity without a clear cause, or find that your antivirus software is disabled or fails to update. In some cases, Trojans can lead to the installation of additional malware, which might display more overt symptoms, such as pop-ups, unwanted toolbar installations, or redirects to suspicious websites.

How to Remove Trojan.MSIL.Agent.SKJ

1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode loads Windows with a minimal set of drivers and services, making it easier to remove malicious software.
2. Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter. Ensure your antivirus software is updated with the latest definitions to improve the chances of detecting and removing the malware.
3. Uninstall suspicious programs that you do not recognize or that were installed without your consent. Be cautious and only remove programs you are certain are malicious or unnecessary.
4. Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
5. After completing the above steps, reboot your system and perform another full scan to ensure that the malware has been successfully removed. Repeat the scanning process until no threats are detected.

Conclusion

Dealing with a Trojan.MSIL.Agent.SKJ infection requires careful and immediate action to prevent further damage to your system and protect your personal data. By understanding the nature of this threat and following the removal steps outlined, you can effectively eliminate the malware and secure your computer. Remember, prevention is key; keeping your operating system, software, and antivirus tools up to date, along with practicing safe browsing habits, can significantly reduce the risk of future infections.

Analysis Report

General information

Family Name:	Trojan.MSIL.Agent.SKJ
Signature status:	No Signature

Known Samples

i

Known Samples

This section lists other file samples believed to be associated with this family.

MD5: d6ad39ca94219d734ce4327508d6fedd SHA1: 97abdca5dddb9fbdf46221810aef825f9e429522 SHA256: AC28BF42EE3912B8FF4EBC2C0745571150C2CBA7B85B540F01FD42AD0AD0CAF2 File Size: 237.43 KB, 237430 bytes

MD5: 90eb57e9e9e3ef30c22020fc8d9ef379 SHA1: 91d1ccbab69951c97d425a9a0395379d532d23b5 SHA256: 98DFA6BFE8EFFEF37EF968A457A495C28E8011127A3B30F689E18CED9A62C9A2 File Size: 15.36 KB, 15360 bytes

MD5: 3917b95380e5100ef2200edfe1b25a10 SHA1: 4b593b61f25d8e9cb40b81e5a25729675884d71c SHA256: 325B25AABD6E71AFD7C704188E343F0713114591017676B686F183486BFAE5CA File Size: 16.38 KB, 16384 bytes

MD5: dff10ae2043759d5d5677e9c88ed433b SHA1: 129b4a2125ff7681a83bfc479c6e59e7abe83450 SHA256: 405DD2D599FC0AFF7F3C275095E1937E67FDEF0BB4E2CBD87533B5383180B121 File Size: 15.87 KB, 15872 bytes

MD5: 82d3bf275e3d2e1d21b8966695172286 SHA1: 61c72c72937d5c7a51301a103177938451972b24 SHA256: F59795FA3BB63421CAB54DAB34625D8A56E81173FD98E79A1E3E2B20846AC6D0 File Size: 15.36 KB, 15360 bytes

Show More

MD5: a9192273f21d993e6a863f2b6243c7c8 SHA1: 5c2784e9d5805403195fe7d4c73d25b7d0bf5ffb SHA256: A721150BE5DD80DEBAC3095A8967E9CCFBB61539B9947F166704A7643E5D92F7 File Size: 16.38 KB, 16384 bytes

MD5: 26d0900e42381eaf67ccc57acaf256ae SHA1: 1aedbad935b365a5202f642b53a1b442f4d245c1 SHA256: 055A8EE06CF09B640625A35978B609AF54187D80247E5FC0C466F7E4678F1A22 File Size: 234.90 KB, 234900 bytes

Windows Portable Executable Attributes

i

Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• 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 .NET application
• 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)

Show More

• 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

i

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

i

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	1.0.0.0
File Description	forklift hotline Jekevo Nepoyu web2 webview2 _view2
File Version	8.6.6.72 2.5.8.124 1.0.0.0
Internal Name	BuildProj.exe Jekevo.exe Nepoyu.exe web2.exe w_view2.exe
Legal Copyright	Copyright © 2024 Copyright © 2025 forklift forklift hotline hotline
Original Filename	aplastic.exe BuildProj.exe Jekevo.exe Nepoyu.exe patriarch.exe web2.exe w_view2.exe
Product Name	forklift 2.5.8.124 hotline 8.6.6.72 Jekevo Nepoyu web2 webview2 _view2
Product Version	8.6.6.72 2.5.8.124 1.0.0.0

File Traits

• .NET
• x86

Block Information

i

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.

Similar Families

i

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.SKF
• MSIL.Agent.SKJ

Files Modified

i

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\gmdasllogger	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\microsoft.web.webview2.core.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\microsoft.web.webview2.core.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\microsoft.web.webview2.winforms.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\microsoft.web.webview2.winforms.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\microsoft.web.webview2.wpf.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\microsoft.web.webview2.wpf.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\sauce.exe	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\sauce.exe	Synchronize,Write Attributes

Show More

c:\users\user\appdata\local\temp\nsl20b.tmp\sauce.exe.config	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\sauce.exe.config	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\webview2loader.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsl20b.tmp\webview2loader.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\linguistic.exe	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\linguistic.exe	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\linguistic.exe.config	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\linguistic.exe.config	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\microsoft.web.webview2.core.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\microsoft.web.webview2.core.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\microsoft.web.webview2.winforms.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\microsoft.web.webview2.winforms.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\microsoft.web.webview2.wpf.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\microsoft.web.webview2.wpf.dll	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\webview2loader.dll	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nsy4780.tmp\webview2loader.dll	Synchronize,Write Attributes

Registry Modifications

i

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\session manager::pendingfilerenameoperations	\??\C:\Users\Rkdswpfm\AppData\Local\Temp\nsl20B.tmp\sauce.exe	RegNtPreCreateKey
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations	\??\C:\Users\Rkdswpfm\AppData\Local\Temp\nsl20B.tmp\sauce.exe\??\C:\Users\Rkdswpfm\AppData\Local\Temp\nsl20B.tmp\	RegNtPreCreateKey
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations	*1\??\C:\Windows\SystemTemp\MicrosoftEdgeUpdate.exe.old122e4*1\??\C:\Windows\SystemTemp\CopilotUpdate.exe.old12352*1\??\C:\P	RegNtPreCreateKey

Windows API Usage

i

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
Anti Debug	IsDebuggerPresent
User Data Access	GetComputerNameEx GetUserDefaultLocaleName GetUserName GetUserObjectInformation
Process Manipulation Evasion	NtUnmapViewOfSection ZwMapViewOfSection
Process Shell Execute	CreateProcess
Syscall Use	ntdll.dll!NtAlertThreadByThreadId ntdll.dll!NtAlpcSendWaitReceivePort ntdll.dll!NtClearEvent ntdll.dll!NtClose ntdll.dll!NtCreateEvent ntdll.dll!NtCreateFile ntdll.dll!NtCreateMutant ntdll.dll!NtCreatePrivateNamespace ntdll.dll!NtCreateSection ntdll.dll!NtCreateSemaphore Show More ntdll.dll!NtCreateThreadEx ntdll.dll!NtDuplicateObject ntdll.dll!NtEnumerateKey ntdll.dll!NtEnumerateValueKey ntdll.dll!NtFreeVirtualMemory ntdll.dll!NtMapViewOfSection ntdll.dll!NtOpenDirectoryObject ntdll.dll!NtOpenEvent ntdll.dll!NtOpenFile ntdll.dll!NtOpenKey ntdll.dll!NtOpenKeyEx ntdll.dll!NtOpenProcess ntdll.dll!NtOpenProcessToken ntdll.dll!NtOpenSection ntdll.dll!NtOpenThreadToken ntdll.dll!NtProtectVirtualMemory ntdll.dll!NtQueryAttributesFile ntdll.dll!NtQueryDefaultLocale ntdll.dll!NtQueryDirectoryFileEx ntdll.dll!NtQueryFullAttributesFile ntdll.dll!NtQueryInformationFile ntdll.dll!NtQueryInformationJobObject ntdll.dll!NtQueryInformationProcess ntdll.dll!NtQueryInformationThread ntdll.dll!NtQueryInformationToken ntdll.dll!NtQueryKey ntdll.dll!NtQueryLicenseValue ntdll.dll!NtQueryPerformanceCounter ntdll.dll!NtQuerySecurityAttributesToken ntdll.dll!NtQuerySecurityObject ntdll.dll!NtQuerySystemInformation ntdll.dll!NtQuerySystemInformationEx ntdll.dll!NtQueryValueKey ntdll.dll!NtQueryVirtualMemory ntdll.dll!NtQueryVolumeInformationFile ntdll.dll!NtQueryWnfStateData ntdll.dll!NtReadFile ntdll.dll!NtReadRequestData ntdll.dll!NtReleaseMutant ntdll.dll!NtReleaseWorkerFactoryWorker ntdll.dll!NtResumeThread ntdll.dll!NtSetEvent ntdll.dll!NtSetInformationFile ntdll.dll!NtSetInformationKey ntdll.dll!NtSetInformationProcess ntdll.dll!NtSetInformationThread ntdll.dll!NtSetInformationWorkerFactory ntdll.dll!NtSubscribeWnfStateChange ntdll.dll!NtTestAlert ntdll.dll!NtTraceControl ntdll.dll!NtUnmapViewOfSection ntdll.dll!NtUnmapViewOfSectionEx ntdll.dll!NtWaitForAlertByThreadId ntdll.dll!NtWaitForSingleObject ntdll.dll!NtWaitForWorkViaWorkerFactory ntdll.dll!NtWaitLowEventPair ntdll.dll!NtWorkerFactoryWorkerReady ntdll.dll!NtWriteFile UNKNOWN

Shell Command Execution

i

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:\Users\Rkdswpfm\AppData\Local\Temp\nsl20B.tmp\Sauce.exe ""

C:\Users\Eugugxsi\AppData\Local\Temp\nsy4780.tmp\Linguistic.exe ""