Threat Database Trojans Trojan.MSIL.Krypt.DSK

Trojan.MSIL.Krypt.DSK

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 12,603
Threat Level: 80 % (High)
Infected Computers: 84
First Seen: July 2, 2025
Last Seen: June 26, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.DSK on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating characteristics, symptoms of infection, and step-by-step guidance on how to remove it from your computer.

What Is Trojan.MSIL.Krypt.DSK?

Trojan.MSIL.Krypt.DSK is a type of malicious software that can compromise the security and integrity of your computer system. The name suggests it is a Trojan-type threat, which typically disguises itself as legitimate software to gain unauthorized access to a computer. Trojans can be used to steal sensitive information, install additional malware, or provide a backdoor for remote access by an attacker.

How Trojan.MSIL.Krypt.DSK Operates

Like other Trojans, Trojan.MSIL.Krypt.DSK is designed to operate stealthily, attempting to evade detection by security software. It may exploit vulnerabilities in operating systems or applications to infect a computer. Once inside, it can perform a variety of malicious activities, including data theft, keystroke logging, or using the infected computer as a botnet to carry out further malicious activities. The specific operations of Trojan.MSIL.Krypt.DSK can vary, but its primary goal is to compromise the security of the infected system without being detected.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, there are several symptoms that may indicate your computer is infected with Trojan.MSIL.Krypt.DSK or similar malware. These include unexpected changes to your computer's settings, slow performance, frequent crashes, or the appearance of unwanted programs or toolbars. Additionally, you might notice unusual network activity, such as increased data usage or unfamiliar connections. If you suspect your computer is infected, it's crucial to take immediate action to minimize potential damage.

How to Remove Trojan.MSIL.Krypt.DSK

Removing Trojan.MSIL.Krypt.DSK requires a systematic approach to ensure all components of the malware are eliminated from your system. Follow these steps:

  1. Boot your computer in Safe Mode with Networking. This will restrict the malware's ability to launch and make it easier to remove.
  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 improve detection and removal capabilities.
  3. Uninstall any suspicious programs or applications that were installed around the time the malware was detected. Be cautious and only remove programs you are sure are not needed.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure no remnants of the malware remain.

Conclusion

The removal of Trojan.MSIL.Krypt.DSK is a critical step in securing your computer and protecting your personal data. By following the steps outlined in this report and maintaining vigilant security practices, you can significantly reduce the risk of future infections. Remember, prevention is key; keep your operating system, software, and security tools updated, and always be cautious when downloading files or clicking on links from unknown sources.

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.DSK
Signature status: No Signature

Known Samples

MD5: acf12e9ec6be148b5e05acc638bc7bb0
SHA1: c7c47dfd7221858fc2c1c94d8de4850d097b6229
File Size: 685.06 KB, 685056 bytes
MD5: d951325e6447942877c8270df444de74
SHA1: 092fa2d51a567bdd24c13033edacf793c332f535
File Size: 686.08 KB, 686080 bytes
MD5: c3d1e92cefc824c68e518a73d0a6480e
SHA1: eea0c939f0526ff6e7cce205bbf4f7b02ae547ea
File Size: 685.06 KB, 685056 bytes
MD5: 78342462b9789b9ddef0966dc244c376
SHA1: 11268f6b254fd4743eb16af6ab9e5e3ad65d948a
File Size: 563.20 KB, 563200 bytes
MD5: 2a279a615c3d05d6570f73dd745025d4
SHA1: 8ac138b8406473a532ace7fdb649cfe613eeddc0
File Size: 324.10 KB, 324096 bytes
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MD5: 6cb2800458809945e4d875b2ea99c425
SHA1: 59c7f3d84a54518721cf0ec5de31f3f398f7db50
SHA256: 0C5801E1DE7E67D814FBDE3A45A3915AC12A1E8A9D53493D36504D6823A955D0
File Size: 686.08 KB, 686080 bytes
MD5: 9f6058ee8f24eb73ec49effefeb7ef2a
SHA1: f9b26246e134f6aacbd43dd3d0ef243126e6d46d
SHA256: 06AD28446C068BB7BA5A57B264FC63C9B2BAC777AA8F7A2A7DE2930A4FA55A8C
File Size: 684.54 KB, 684544 bytes
MD5: ad09a0c962181ab0c6e7d1e39be4705d
SHA1: 86cd5f8d963346fb477784804ccc0143982cc0f6
SHA256: 749E9D2693AC830DAF76F09ECBE83A06AA628FDBB13B81DF4678B8BD204A9C86
File Size: 572.42 KB, 572416 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 is .NET application
  • File is 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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  • 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 1.0.0.0
File Version 1.0.0.0
Internal Name
  • Ixdpexex.exe
  • Iyfepljpek.exe
  • Logrnv.exe
  • Nbvmlyd.exe
  • Qktnnoul.exe
  • Rlnifsipqe.exe
  • Swmijw.exe
  • Umfzvxt.exe
Original Filename
  • Ixdpexex.exe
  • Iyfepljpek.exe
  • Logrnv.exe
  • Nbvmlyd.exe
  • Qktnnoul.exe
  • Rlnifsipqe.exe
  • Swmijw.exe
  • Umfzvxt.exe
Product Version 1.0.0.0

File Traits

  • .NET
  • GenKrypt
  • HighEntropy
  • x64
  • x86

Block Information

Total Blocks: 18
Potentially Malicious Blocks: 4
Whitelisted Blocks: 4
Unknown Blocks: 10

Visual Map

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

Files Modified

File Attributes
\device\namedpipe\pshost.133975797711885906.2520.defaultappdomain.powershell Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288
c:\users\user\appdata\local\temp\__psscriptpolicytest_14yxgxn4.hbw.ps1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_3jd2r2xi.os3.psm1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_jxumqmyp.1dr.psm1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_kyx342yf.li1.ps1 Generic Write,Read 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\conhost.exe ⢘㜞漢Ǜ 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!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelTimer2
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
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  • ntdll.dll!NtClose
  • ntdll.dll!NtCompareSigningLevels
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetCachedSigningLevel
  • ntdll.dll!NtGetContextThread
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • 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!NtOpenSemaphore
  • 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!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • 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!NtSuspendThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUnsubscribeWnfStateChange
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC

22 additional items are not displayed above.

User Data Access
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserNameEx
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Other Suspicious
  • AdjustTokenPrivileges
Network Winsock2
  • WSAConnect
  • WSASocket
  • WSAStartup
Network Winsock
  • closesocket
  • setsockopt
Process Shell Execute
  • CreateProcess

Shell Command Execution

"powershell.exe" -NoProfile -ExecutionPolicy Bypass -Enc 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