Threat Database Trojans Trojan.MSIL.Dropper.MF

Trojan.MSIL.Dropper.MF

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 10,825
Threat Level: 80 % (High)
Infected Computers: 29
First Seen: June 7, 2024
Last Seen: June 30, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Dropper.MF on your system indicates a potential security threat that requires immediate attention. Trojans are a type of malware designed to allow unauthorized access to a computer system, and the presence of this specific threat may compromise your personal data and system integrity. 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.Dropper.MF?

Trojan.MSIL.Dropper.MF is identified as a Trojan-type threat, which typically involves malicious software disguised as legitimate programs. The name suggests it may be related to the MSIL (Microsoft Intermediate Language) environment, which could imply that the malware is designed to operate within the .NET framework. However, without specific details, it's crucial to focus on general guidance for removal and prevention rather than the specifics of this threat's operation or origin.

How Trojan.MSIL.Dropper.MF Operates

Trojans, in general, operate by deceiving users into installing them, often by masquerading as useful software or attachments in emails. Once installed, they can create backdoors, allowing hackers to access the system remotely. They might also download additional malware, steal sensitive information, or disrupt system operation. The exact mechanisms of Trojan.MSIL.Dropper.MF are not detailed here, but understanding the general behavior of Trojans is key to mitigating their impact.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely but may include slow system performance, frequent crashes, unfamiliar programs or icons, unexpected changes in system settings, or increased network activity without apparent cause. Sometimes, infections may not exhibit noticeable symptoms immediately, making regular system checks and malware scans crucial for early detection.

How to Remove Trojan.MSIL.Dropper.MF

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download removal tools while minimizing system activity.
  2. Perform a full scan of your system using a reputable anti-malware tool such as SpyHunter. Ensure the tool is updated to the latest version for the best detection and removal capabilities.
  3. Uninstall 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 necessary for your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another full scan to ensure the malware has been completely removed. Repeat scans until no threats are detected to confirm the system is clean.

Conclusion

Removing Trojan.MSIL.Dropper.MF requires a methodical approach to ensure the malware is completely eradicated from your system. By following the steps outlined and maintaining good security practices, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious with email attachments and downloads, you can protect your system from future infections. Remember, prevention and vigilance are key to safeguarding your digital environment.

Analysis Report

General information

Family Name: Trojan.MSIL.Dropper.MF
Signature status: No Signature

Known Samples

MD5: 83f1d3fb85e2351c1e855e52bdadf308
SHA1: dc0192ff17a0ad53ec5a8cb4369dcd608cefc60d
SHA256: 304C95525D9526CA96040CA206BB409117E1A017FF3C57E149CDA9401CAFDEA1
File Size: 790.07 KB, 790070 bytes
MD5: a4455dbb2f6afcf21cfc1d183c7f3eb2
SHA1: 761b88d705d17e0638621354cd2c6a92996f0758
SHA256: 989B6EC9F1829D29ADA3D1BE4BA81E8FE5479266F22D4ABFDF2CBFEDDA7B8AFB
File Size: 114.18 KB, 114176 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 relocations information
  • File doesn't have security information
  • File has TLS information
  • File is .NET application
  • File is 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
Show More
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • 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

Windows PE Version Information

Name Value
Assembly Version 8.1.0.3961
Comments This installation was built with Inno Setup.
Company Name
  • Encrypt4all Software
  • Leica Geosystems, AG
File Description
  • CyclonePceService
  • TWEE Express Edition
File Version
  • 8.1.0.3961
  • 7.0.0.279
Internal Name CyclonePceService.exe
Legal Copyright
  • Copyright 2009 Leica Geosystems, AG.
  • Copyrights © Encrypt4all Software 2004-2013
Original Filename CyclonePceService.exe
Product Name
  • CyclonePceService
  • TWEE Express Edition
Product Version
  • 8.1.0.3961
  • 7.0.0.279

File Traits

  • .NET
  • .sdata
  • HighEntropy
  • Reactor
  • Reflective
  • RijndaelManaged
  • WriteProcessMemory
  • x64
  • x86

Block Information

Total Blocks: 83
Potentially Malicious Blocks: 1
Whitelisted Blocks: 76
Unknown Blocks: 6

Visual Map

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

Similar Families

  • MSIL.ClipBanker.AGE
  • MSIL.ClipBanker.RB
  • MSIL.ClipBanker.TO
  • MSIL.HackAgent.FT
  • MSIL.Krypt.GFDB
Show More
  • MSIL.RevengeRat.A

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\users\user\appdata\local\temp\is-gsdc3.tmp\dc0192ff17a0ad53ec5a8cb4369dcd608cefc60d_0000790070.tmp Generic Write,Read Attributes
c:\windows\appcompat\programs\amcache.hve Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve Write Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\software\microsoft\tip\aggregateresults::data �3�0����4�����4 ��|�]Z�4 ��|�O����Z���N��w�Ϛ���� Ϛ����Ϛ����Ϛ����Ϛ���r RegNtPreCreateKey

Windows API Usage

Category API
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
Process Shell Execute
  • CreateProcess
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAdjustPrivilegesToken
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
Show More
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeleteValueKey
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • ntdll.dll!NtLoadKeyEx
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryInformationFile
  • 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!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtTraceEvent
  • 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
User Data Access
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext
Other Suspicious
  • AdjustTokenPrivileges

Shell Command Execution

"C:\Users\Aacugwft\AppData\Local\Temp\is-GSDC3.tmp\dc0192ff17a0ad53ec5a8cb4369dcd608cefc60d_0000790070.tmp" /SL5="$20138,543525,53760,c:\users\user\downloads\dc0192ff17a0ad53ec5a8cb4369dcd608cefc60d_0000790070"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 832

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