Threat Database Trojans Trojan.MSIL.Spy.HC

Trojan.MSIL.Spy.HC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 8
First Seen: November 21, 2021
Last Seen: October 22, 2025
OS(es) Affected: Windows

The detection of Trojan.MSIL.Spy.HC on your system indicates a potential security threat that requires immediate attention. This detection name suggests that the malware in question is a type of Trojan spyware, designed to gather sensitive information from the infected computer without the user's knowledge or consent. It is essential to understand the nature of this threat and take appropriate steps to remove it and protect your system and data.

What Is Trojan.MSIL.Spy.HC?

Trojan.MSIL.Spy.HC is identified as a spyware-type malware, which typically means it is designed to spy on the user's activities, steal sensitive information such as login credentials, credit card numbers, and other personal data. The "Trojan" part of the name indicates that it may masquerade as legitimate software or hide within other programs to gain unauthorized access to the system. The "MSIL" part could refer to the Microsoft Intermediate Language, suggesting that the malware is written in a .NET language, which is executed by the .NET Common Language Runtime (CLR). However, without specific details, it's crucial to focus on general removal and protection strategies.

How Trojan.MSIL.Spy.HC Operates

Malware like Trojan.MSIL.Spy.HC usually operates by first gaining access to the victim's computer, often through deceptive means such as disguising itself as a legitimate program, exploiting vulnerabilities in software, or being downloaded along with other software from untrusted sources. Once inside, it can start its malicious activities, which may include monitoring keyboard input to capture passwords, taking screenshots, accessing files, or even allowing remote control of the infected system to the attacker. The exact operation can vary widely depending on the specific goals of the malware authors.

Symptoms of Infection

Symptoms of an infection can be subtle and may not always be immediately noticeable. They can include unusual system behavior such as unexpected pop-ups, slow system performance, unfamiliar programs or icons, and changes in system settings. Sometimes, the malware may operate stealthily, making it hard to detect without proper security software. If you suspect that your system is infected, it's crucial to act quickly to minimize potential damage.

How to Remove Trojan.MSIL.Spy.HC

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode starts Windows with a minimal set of drivers and services, making it easier to remove malware.
  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 to improve detection and removal capabilities.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time you suspect the infection occurred. Be cautious and only remove programs you are certain are malicious or unnecessary.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the malware. Note that this will also remove any saved passwords and custom settings, so be prepared to reconfigure your browsers afterwards.
  5. After completing the above steps, reboot your system and perform another scan with your anti-malware tool to ensure that the malware has been fully removed.

Conclusion

Removing Trojan.MSIL.Spy.HC requires a systematic approach to ensure that all components of the malware are eliminated from the system. It's also a good opportunity to review your system's security posture, including updating all software to the latest versions, using strong, unique passwords, and being cautious when downloading and installing software from the internet. By taking these steps, you can help protect your system and data from future malware threats.

Analysis Report

General information

Family Name: Trojan.MSIL.Spy.HC
Signature status: No Signature

Known Samples

MD5: af62e7f00be49b46ba76f2a0d9877a6e
SHA1: ebb381d719980dabfa1d414ef6a3992364dae0bd
SHA256: B531D9A1DA2CFEEEABF3D6CE1A3330F31F34AF8F23A1A2D0831941A6E47E375C
File Size: 339.97 KB, 339968 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 1.7.0.1
Comments Audio Helper
Company Name Synth Incorporated
File Description Synth Audio
File Version 1.7.0.1
Internal Name dis crypt.exe
Legal Copyright Copyright Synth Incorporated 2010
Legal Trademarks Trademark Synth Incorporated
Original Filename dis crypt.exe
Product Name Synth Audio
Product Version 1.7.0.1

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 15
Potentially Malicious Blocks: 1
Whitelisted Blocks: 12
Unknown Blocks: 2

Visual Map

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

Similar Families

  • MSIL.Dropper.DG
  • MSIL.Dropper.XC
  • MSIL.Krypt.UBO
  • MSIL.Kryptik.XC
  • MSIL.Mardom.D
Show More
  • MSIL.XWorm.F

Files Modified

File Attributes
c:\users\user\appdata\roaming\dis.exe Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcAcceptConnectPort
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcCreatePortSection
  • ntdll.dll!NtAlpcCreateSectionView
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
Show More
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateTimer
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryObject
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimerEx
  • 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
  • UNKNOWN
User Data Access
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent

Related Posts

Trending

Most Viewed

Loading...