Threat Database Trojans Trojan.MSIL.Agent.BIA

Trojan.MSIL.Agent.BIA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 3
First Seen: May 4, 2022
Last Seen: October 24, 2025
OS(es) Affected: Windows

The detection of Trojan.MSIL.Agent.BIA on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the integrity of your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.MSIL.Agent.BIA?

Trojan.MSIL.Agent.BIA is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan.MSIL.Agent.BIA" suggests that it is a Trojan-type threat, but without more specific information, it is difficult to determine its exact characteristics or behaviors. Generally, Trojans are designed to allow unauthorized access to a computer system, often by creating a backdoor that enables remote control by an attacker.

How Trojan.MSIL.Agent.BIA Operates

While the exact operational details of Trojan.MSIL.Agent.BIA are not available, Trojans typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can perform a variety of malicious actions, including but not limited to, 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. The malware might also attempt to hide its presence by disguising itself as a legitimate process or file, making it challenging for users to detect without proper security tools.

Symptoms of Infection

Identifying a Trojan infection can be difficult due to its stealthy nature. However, there are several symptoms that might indicate the presence of malware like Trojan.MSIL.Agent.BIA. These include unexpected changes in computer behavior, such as unfamiliar programs or icons, unusual network activity, slower than usual computer performance, frequent crashes, or pop-ups and other unwanted advertisements. If you notice any of these symptoms, it is crucial to take immediate action to protect your system and data.

How to Remove Trojan.MSIL.Agent.BIA

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools if necessary.
  2. Perform a full scan of your computer using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Trojan.MSIL.Agent.BIA requires careful and immediate action to prevent further damage to your computer and to protect your sensitive information. By following the steps outlined above and maintaining good security practices, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious when opening emails or downloading files from the internet, you can significantly reduce the risk of future malware infections. Remember, vigilance and proactive security measures are key to safeguarding your digital environment.

Analysis Report

General information

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

Known Samples

MD5: 218619fef9edfe001afb6005c18f0398
SHA1: 7695ee48fb6404e2e51c0ca9bdab3bebca39b0bd
File Size: 4.61 KB, 4608 bytes
MD5: 914b46dbf31910a48f6a931a37738eca
SHA1: 39471ad1eeac85bb3c6fcd4417af6885cfd5d827
SHA256: A085E985D4278B6B03FFE4AD04CD9945BEEA5CE3B584AF18A78D5EC874474B83
File Size: 4.61 KB, 4608 bytes
MD5: f58df3a5178f14c57360d12aa16224c0
SHA1: a490c402941bf51c16c3f466914f64b773e8049d
SHA256: AC76BF8986241FB14BAFD567BD268B251D3635138B2DA6A1DD7FFEAADEFDA501
File Size: 4.61 KB, 4608 bytes
MD5: 1b0a51c3269a1dfd510f7b9bdbc2bda3
SHA1: f727fc4188017dd3e031e0fb8a21079c53a96104
SHA256: 103073E2A4305E67A112A27DA926104B440DF089CBBE6168C7D20847164CDB8C
File Size: 4.61 KB, 4608 bytes
MD5: 62729e45724a6422939b53d16aa37ae4
SHA1: 1053a590c5187526faceda8080a15bc038247d2b
SHA256: 35452C95CF6B9795C4AD0E0F6C7F0B012C23BD95FBB4C431C91052C2E329868F
File Size: 4.61 KB, 4608 bytes
Show More
MD5: 970a46f930fd1dd6c2a8bd7e29dd53db
SHA1: 11ae42b51dd43edb8ffb1909758e5d5649ada458
SHA256: DD25FDF1E04A6ABAC71D05FB1657721A2168C49F82D923E643EED0DD141CAEAC
File Size: 4.61 KB, 4608 bytes
MD5: ed0b2116344b74f3eb9813d9fb6cd7c8
SHA1: 8e3dd6f64f432e160836488c058ad81a99778228
SHA256: 608BB732794F250DE7DA692F20DFB4F379DF4255752755B5482756B2EE966842
File Size: 4.61 KB, 4608 bytes
MD5: 696311428cb4e86db88c04a63802db3c
SHA1: cbd75a33dc164254a8685249018925b89abd49a1
SHA256: 95408DB34D7E7D318AD3941DC763F0DB79CAC6F28E06AB55E935075251775AC5
File Size: 4.61 KB, 4608 bytes
MD5: 489ec447a577ceca27b1ae6b5f6d6b0e
SHA1: eb913163e2981c7613b1e336835da074df29c05d
SHA256: C363F4893BAC112C532BF74BC3678242BBE641ED5B43D6E3CF65ADF2E4973ED2
File Size: 4.61 KB, 4608 bytes
MD5: d3ead1c57596330255d5d12704f5dc60
SHA1: 2349761a463f5fdea6f6c6c27203c2e263dd72c8
SHA256: 734F8D5916BC5795193FDC01E13B1BB2D616113DF23B3FDF17169B7CF5FEB6D3
File Size: 4.61 KB, 4608 bytes
MD5: a67d118d3bd8709bb2a4e273d84e5052
SHA1: b23c02096d9586ed66a98f5185ff458d5e4fbbb0
SHA256: B3A1E7FDB53153A10D54827A6D2800C82AF16DB6D6D110F58F52462E026398F2
File Size: 4.61 KB, 4608 bytes
MD5: 2c68ea35fb576e000c90e83e353f2bb2
SHA1: 19957ad0a91b43c5ae11baca8fe1a6a84e6e9b18
SHA256: 49AE87B53E14496C0A8995EEEB9DC8142B68E3F9FBB860C2CDC3DD29E92C9AE2
File Size: 4.61 KB, 4608 bytes
MD5: eb7ecdd94d463fcfa86d830d71f09fc7
SHA1: 7d3e0613ac4c83113d6f147e020ed28802a64811
SHA256: 7E76A799AFA2247E19DB8141B04CAD4506F38CB5AA49939821924F0797AD1864
File Size: 4.61 KB, 4608 bytes
MD5: 459da2c3ccb9bb89adb324530c8b67a4
SHA1: f375c1afc7888ad912757edfd7c51e636b922ef1
SHA256: A5DD1BFBD9AD549258CE2556DA61036D0F44DE7E3372C8B50A0583FB0945E766
File Size: 4.61 KB, 4608 bytes
MD5: 61dfd370ceba73ff6a258d50d4029f4e
SHA1: 3df1449fd1c77e225443d3179f94d0b958677f0c
SHA256: 62406A2751705C84134DA1DBF477A775D7139A6AD5764806D1EA51D6ACE7B4CD
File Size: 4.61 KB, 4608 bytes
MD5: e5b8cee0305ca869d78997219a2b6ebc
SHA1: 372bcd11eb1b395755b281661703c066aac52121
SHA256: 95D8C8199F41FDEBE9EBB38EAEDA0B715850EFB59CC2D6DDA9A7D151B8E65B08
File Size: 4.61 KB, 4608 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 either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
Show More
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 0.0.0.0
File Version 0.0.0.0
Internal Name
  • asus_framework.exe
  • brave.exe
  • browser.exe
  • CCleaner64.exe
  • CustomCursor.exe
  • EALauncher.exe
  • MicrosoftEdgeUpdateCore.exe
  • nvcontainer.exe
  • NVIDIA Overlay.exe
  • SkinChanger.exe
Show More
  • Update.exe
  • wallpaper32.exe
  • windowsupdate.exe
Original Filename
  • asus_framework.exe
  • brave.exe
  • browser.exe
  • CCleaner64.exe
  • CustomCursor.exe
  • EALauncher.exe
  • MicrosoftEdgeUpdateCore.exe
  • nvcontainer.exe
  • NVIDIA Overlay.exe
  • SkinChanger.exe
Show More
  • Update.exe
  • wallpaper32.exe
  • windowsupdate.exe
Product Version 0.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 3
Potentially Malicious Blocks: 2
Whitelisted Blocks: 1
Unknown Blocks: 0

Visual Map

x 0 x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • MSIL.Agent.BIA

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
Show More
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • 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!NtOpenSymbolicLinkObject
  • 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!NtQuerySymbolicLinkObject
  • 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!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Process Shell Execute
  • ShellExecuteEx

Shell Command Execution

(NULL) C:\inetpub\steamwebhelper.exe
(NULL) C:\Users\dorik\AppData\Local\Discord\Update.exe.exe
(NULL) C:\Users\PC\AppData\Local\Microsoft\EdgeUpdate\1.3.195.65\MicrosoftEdgeUpdateCore.exe.exe
(NULL) C:\Users\PC\Searches\NisSrv.exe.exe
(NULL) C:\Recovery\SurrogateComponentRuntime.exe
Show More
(NULL) C:\Program Files\CCleaner\CCleaner64.exe.exe
(NULL) C:\TDPremium\conhost.exe
(NULL) C:\Program Files\Electronic Arts\EA Desktop\EA Desktop\EALauncher.exe.exe
(NULL) C:\Recovery\OEM\conhost.exe
(NULL) C:\Users\Acer\AppData\Local\Yandex\YandexBrowser\Application\browser.exe.exe
(NULL) C:\qLoader\backups\steamwebhelper.exe
(NULL) C:\Users\maksj\AppData\Local\Discord\Update.exe.exe
(NULL) C:\system.sav\Logs\msedgewebview2.exe
(NULL) C:\AMD\Chipset_Software\Packages\Apps\brave.exe.exe
(NULL) C:\Saves\goodbyedpi.exe
(NULL) C:\Program Files (x86)\Yandex\YandexBrowser\Application\browser.exe.exe
(NULL) C:\Dokumente und Einstellungen\lsass.exe
(NULL) C:\Program Files (x86)\Steam\steamapps\common\wallpaper_engine\wallpaper32.exe.exe
(NULL) C:\IntelOptaneData\service_update.exe
(NULL) C:\Recovery\OEM\Acerlogs\nvcontainer.exe.exe
(NULL) C:\Choppa Store\Sunshine\tools\asus_framework.exe.exe
(NULL) C:\Users\Denilson\Saved Games\The Last of Us Part I\users\conhost.exe.exe
(NULL) C:\XboxGames\GameSave\pgs\fontdrvhost.exe
(NULL) C:\Recovery\AutoApply\CustomizationFiles\NVIDIA Overlay.exe.exe
(NULL) C:\CCleaner\CCleaner64.exe.exe
(NULL) C:\GOG Games\Heads Will Roll Reforged\renpy\common\_placeholder\MsMpEng.exe
(NULL) C:\CFLog\msedgewebview2.exe
(NULL) C:\Users\kauan\AppData\Roaming\windowsupdate.exe.exe
(NULL) C:\OneDriveTemp\S-1-5-21-3675021653-95583905-3244361525-1004\smartscreen.exe
(NULL) C:\Users\nscar\AppData\Roaming\SkinChanger\SkinChanger.exe.exe