Threat Database Viruses Virus.MSIL.Agent.JP

Virus.MSIL.Agent.JP

By CagedTech in Viruses

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 20
First Seen: July 22, 2024
Last Seen: March 11, 2026
OS(es) Affected: Windows

The detection of Virus.MSIL.Agent.JP on your system indicates a potential threat to your computer's security and integrity. This detection name suggests a type of malicious software, but without more specific information, it's crucial to understand the general nature of such threats and how to address them effectively.

What Is Virus.MSIL.Agent.JP?

Virus.MSIL.Agent.JP 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. Once installed, it can perform a variety of malicious actions, depending on its specific programming. The "MSIL" part of the name refers to Microsoft Intermediate Language, suggesting that this malware is designed to operate on Windows systems by utilizing the .NET Framework.

How Virus.MSIL.Agent.JP Operates

Trojan-type malware like Virus.MSIL.Agent.JP can operate in various ways. They might create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system as part of a botnet for malicious activities. These threats can also download and install additional malware, leading to further system compromise. Understanding how such malware operates is key to taking effective measures against it.

Symptoms of Infection

Symptoms of a Virus.MSIL.Agent.JP infection can vary but may include unusual system behavior such as unexpected pop-ups, slow system performance, and unfamiliar programs or icons appearing on the desktop. In some cases, the infection might not display obvious symptoms, making it difficult for users to detect without the aid of security software. Regular system scans and monitoring for suspicious activity are essential for early detection.

How to Remove Virus.MSIL.Agent.JP

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access for updates and downloads. This step is crucial as it limits the malware's ability to interfere with the removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the malware effectively.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are not needed for your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. Malware often alters browser settings for malicious purposes, such as redirecting to harmful sites or displaying unwanted advertisements.
  5. After completing the above steps, reboot your computer and perform another full scan to ensure that the malware has been completely removed. This final scan is important to confirm the system's cleanliness and to catch any potential remnants of the malware.

Conclusion

The removal of Virus.MSIL.Agent.JP requires careful and systematic steps to ensure the malware is completely eradicated from the system. It's also important to adopt preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading and installing software from the internet. By understanding the nature of Trojan-type threats and taking proactive steps, you can significantly reduce the risk of infection and protect your digital assets.

Analysis Report

General information

Family Name: Virus.MSIL.Agent.JP
Packers: UPX
Signature status: No Signature

Known Samples

MD5: d50e28dca446dd95516c71626c3da44e
SHA1: 3b96ad3a1af6609a65c7336d9861f6c58b4bf046
SHA256: 106BF2DC8DAB8CA0B48603028E938C6BC27CB08EBF1F96877CD4DEFB116F33E5
File Size: 3.44 MB, 3442659 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have relocations information
  • File doesn't have security information
  • File has been packed
  • File has exports table
  • 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Comments 原创整合By→小鱼儿yr
File Description 小鱼儿yr系统www.yrxitong.com
File Version 1.1
Legal Copyright ©2018-2023 yrxitong.com 版权所有
Product Version 1.1

File Traits

  • .NET
  • CreateThread
  • Installer Version
  • x86

Files Modified

File Attributes
\device\namedpipe\pecmd_exec_3735240864 Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\pecmd_exec_462981959 Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\~3620761739353362040~ Synchronize,Write Attributes
c:\users\user\appdata\local\temp\~3620761739353362040~\7z.dll Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\~3620761739353362040~\lang\zh-cn.txt Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\~3620761739353362040~\lang\zh-tw.txt Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\~3620761739353362040~\sg.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\(&x}windows defender\1 sížöý¤œ2á9ý¤ ®.bat Generic Write,Read Attributes
c:\(&x}windows defender\2 (x}windows defender.exe Generic Write,Read Attributes
c:\(&x}windows defender\2 (x}windows defender.exe Synchronize,Write Attributes
Show More
c:\(&x}windows defender\defenderremover.exe Generic Write,Read Attributes
c:\(&x}windows defender\defenderremover.exe Synchronize,Write Attributes

Registry Modifications

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 癊巖⿝ǜ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 흵巘⿝ǜ RegNtPreCreateKey

Windows API Usage

Category API
Other Suspicious
  • AdjustTokenPrivileges
Process Shell Execute
  • CreateProcess
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
Show More
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTerminateProcess
  • 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
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtGdiAnyLinkedFonts
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateRectRgn
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiDoPalette
  • win32u.dll!NtGdiDrawStream
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiExtTextOutW
  • win32u.dll!NtGdiFontIsLinked
  • win32u.dll!NtGdiGetCharABCWidthsW
  • win32u.dll!NtGdiGetDCDword
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiGetDIBitsInternal
  • win32u.dll!NtGdiGetEntry
  • win32u.dll!NtGdiGetFontData
  • win32u.dll!NtGdiGetGlyphIndicesW
  • win32u.dll!NtGdiGetOutlineTextMetricsInternalW
  • win32u.dll!NtGdiGetRandomRgn
  • win32u.dll!NtGdiGetRealizationInfo
  • win32u.dll!NtGdiGetTextFaceW
  • win32u.dll!NtGdiGetTextMetricsW
  • win32u.dll!NtGdiGetWidthTable
  • win32u.dll!NtGdiHfontCreate
  • win32u.dll!NtGdiIntersectClipRect
  • win32u.dll!NtGdiQueryFontAssocInfo
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap

64 additional items are not displayed above.

Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetUserObjectInformation
Process Terminate
  • TerminateProcess
Keyboard Access
  • GetKeyboardState
  • GetKeyState

Shell Command Execution

cmd.exe /c set
C:\Users\Ostbtijy\AppData\Local\Temp\~3620761739353362040~\sg.tmp 7zG_exe x "c:\users\user\downloads\3b96ad3a1af6609a65c7336d9861f6c58b4bf046_0003442659" -y -aoa -o"C:\禁用&卸载Windows Defender"

Related Posts

Trending

Most Viewed

Loading...