Threat Database Trojans Trojan.MSIL.Dropper.ABCA

Trojan.MSIL.Dropper.ABCA

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 23,679
Threat Level: 80 % (High)
Infected Computers: 3
First Seen: September 12, 2023
Last Seen: July 19, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Dropper.ABCA 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 operation, symptoms, and most importantly, the steps to remove it from your computer.

What Is Trojan.MSIL.Dropper.ABCA?

Trojan.MSIL.Dropper.ABCA is identified as a Trojan-type threat, which is a broad category of malware designed to allow unauthorized access to a user's system. The term "Trojan" originates from the Trojan Horse legend, symbolizing how these malicious programs disguise themselves as harmless or desirable software to deceive users into installing them. The "MSIL" part of the name suggests that the malware is written in Microsoft Intermediate Language, which is a platform-agnostic, object-oriented programming language used by the .NET Framework. The "Dropper" designation implies that this malware is capable of installing additional malicious components onto the infected system.

How Trojan.MSIL.Dropper.ABCA Operates

Trojan.MSIL.Dropper.ABCA, like other Trojans, operates by first gaining entry into a system, often through deceptive means such as disguising itself as a legitimate program or attachment. Once inside, it can perform a variety of malicious activities, including but not limited to, stealing sensitive information, downloading additional malware, or providing backdoor access to the attackers. The specific operations of Trojan.MSIL.Dropper.ABCA can vary, but its primary goal is to compromise the security and integrity of the infected system for malicious purposes.

Symptoms of Infection

Symptoms of a Trojan.MSIL.Dropper.ABCA infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice that your system is connecting to the internet without your input, or that files are being modified or deleted without your knowledge. Given the stealthy nature of Trojans, some infections may not exhibit noticeable symptoms at all, making regular system scans with anti-virus software crucial for detection.

How to Remove Trojan.MSIL.Dropper.ABCA

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This will help identify and remove all components of the Trojan.
  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 needed.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. After completing the above steps, reboot your computer and then perform another full scan with your anti-malware tool to ensure that all malware components have been removed.

Conclusion

Removing Trojan.MSIL.Dropper.ABCA from your system requires careful and thorough steps to ensure all components of the malware are eliminated. It's crucial to stay vigilant and maintain up-to-date anti-virus software to protect against future infections. Regularly backing up important data and being cautious with email attachments and downloads can also help prevent malware infections. By following the removal steps outlined in this report, you should be able to successfully remove Trojan.MSIL.Dropper.ABCA and secure your system against this and similar threats.

Analysis Report

General information

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

Known Samples

MD5: afb7689bcc82c4f291949f114345e8b3
SHA1: a7280aa10129aa660d908cfd04ff116335906e1d
SHA256: 6C5781BDA1B76ACC537B018A38C57C13DCFB6DC82EB608F6DE80DC8E4F93D154
File Size: 157.70 KB, 157696 bytes
MD5: 1ade507e0af2c9ead1a8d9e1a073f887
SHA1: f7e5740d863073a5c28708932d179e0ac56ded1b
SHA256: 9D98817AC05ABEECC190E6B58C9BD5308EA73690FCF068A670E78EECC41F6063
File Size: 157.70 KB, 157696 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version
  • 10.6.12.0
  • 10.6.9.0
Company Name Kilgraz
File Description memoQ Server Deployment Administration uninstall
File Version
  • 10.6.12
  • 10.6.9
Internal Name uninstall.exe
Legal Copyright Copyright © 2017
Original Filename uninstall.exe
Product Name memoQ
Product Version
  • 10.6.12.2edb0f92f5c
  • 10.6.9.9b42c9233e6

File Traits

  • .NET
  • Installer Version
  • x86

Block Information

Total Blocks: 19
Potentially Malicious Blocks: 14
Whitelisted Blocks: 5
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Dropper.ABCA

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDuplicateObject
Show More
  • 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!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!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!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation