Threat Database Trojans Trojan.Kryptik.AAZD

Trojan.Kryptik.AAZD

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 269
First Seen: March 6, 2023
Last Seen: April 19, 2026
OS(es) Affected: Windows

The detection of Trojan.Kryptik.AAZD on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise your computer's integrity and put your personal data at risk. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Kryptik.AAZD?

Trojan.Kryptik.AAZD is a type of malicious software that can infiltrate your computer without your knowledge or consent. Trojans are known for their ability to disguise themselves as legitimate programs, making them difficult to detect. They can be used to steal sensitive information, disrupt system operations, or provide unauthorized access to your computer.

How Trojan.Kryptik.AAZD Operates

Trojan.Kryptik.AAZD, like other Trojans, can operate in various ways, depending on its intended purpose. It may be designed to remain dormant until activated by a specific trigger or command. Once activated, it can start to execute its malicious payload, which can include data theft, keylogging, or the installation of additional malware. The threat can also communicate with its command and control servers to receive updates or transmit stolen data.

Symptoms of Infection

Identifying a Trojan infection can be challenging, as these threats often do not exhibit obvious symptoms. However, you may notice unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. Other signs of infection include unexpected changes to your system settings, new toolbars or extensions in your browser, or pop-ups and advertisements appearing on your screen.

  • Unexplained changes in system performance or behavior
  • Appearance of unfamiliar programs or files
  • New, unexpected browser extensions or toolbars
  • Frequent system crashes or freezes

How to Remove Trojan.Kryptik.AAZD

  1. Boot your computer in Safe Mode with Networking to prevent the Trojan from loading and to allow for a more effective removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of the Trojan.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed without your consent.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to 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 that all components of the Trojan have been removed.

Conclusion

Removing Trojan.Kryptik.AAZD from your system requires a thorough and systematic approach. By following the steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when clicking on links or downloading attachments, you can help protect your computer from future infections. Remember, prevention and vigilance are key to maintaining the security and integrity of your digital environment.

Analysis Report

General information

Family Name: Trojan.Kryptik.AAZD
Signature status: No Signature

Known Samples

MD5: 7ab05ecb3686f437b461e5f52033df9e
SHA1: aa229d85cf033c5a3a3f1c722fe6d79d8bc110d9
SHA256: 0027CD30258CE50C187822FF0E0857D8DA6E902A003690C553926499264FA18B
File Size: 856.06 KB, 856064 bytes
MD5: d33c59cc22f41008140472b6fc55db38
SHA1: 31c6a92e606b06a5b0200c9a969e9889fdb7b8e2
SHA256: 97BB64143A6D1312F4F231CFDB099347AC1704A2F684E0F544B6397986B76A13
File Size: 1.55 MB, 1548288 bytes
MD5: b009a26d140d859bd6395292aa744222
SHA1: 4d694d8387b92b011a19e4496ee6f22033bd3848
SHA256: EA4084CEAE1464717AC4CF21FEF54633E0F1ADA6F5F3A273694568F11714CA17
File Size: 2.42 MB, 2423008 bytes
MD5: 3c6fd880e8c89395fafaad10a5dcff60
SHA1: d010e9ef3c83c6160b4ddfefb8b737c6e7c1a7ec
SHA256: BB45E3A1A9D7FF0EA77C8329FC35F18B83AE75692B801582400366C60D8CC988
File Size: 3.01 MB, 3009627 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 exports table
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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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)

File Icons

Windows PE Version Information

Name Value
Assembly Version 1.4.0.0
Comments Workgroup and NT4 domain authentication for UltraVNC
Company Name
  • Igor Pavlov
  • Microsoft Corporation
  • UltraVNC
File Description
  • 7z Setup SFX small
  • IPDev.SkinEditor.Design
  • Microsoft® C Runtime Library
  • MS-Logon I for UltraVNC
File Version
  • 22.01
  • 10.00.30319.1
  • 1.4.0.0
  • 0.0.00.4
Internal Name
  • 7zS2.sfx
  • aowueeuoepyn4
  • IPDev.SkinEditor.Design.dll
  • msvcr100_clr0400.dll
Legal Copyright
  • Copyright © 2002-2005 UltraVNC team members
  • Copyright © 2007
  • Igor Pavlov : Public domain
  • © Microsoft Corporation. All rights reserved.
Original Filename
  • 7zS2.sfx.exe
  • aowueeuoepyn4.dll
  • IPDev.SkinEditor.Design.dll
  • msvcr100_clr0400.dll
Product Name
  • 7-Zip
  • AowueEUO pynxeajentie4
  • IPDev.SkinEditor.Design
  • Microsoft® Visual Studio® 2010
Product Version
  • 22.01
  • 10.00.30319.1
  • 1.4.0.0
  • 0.0.00.4

Digital Signatures

Signer Root Status
Microsoft Corporation Microsoft Code Signing PCA Hash Mismatch

File Traits

  • 2+ executable sections
  • dll
  • HighEntropy
  • x86

Files Modified

File Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\f6kjorq8.cmd Generic Write,Read Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\f6kjorq8.cmd Synchronize,Write Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\uq.cpl Generic Write,Read Attributes
c:\users\user\appdata\local\temp\7zb0c88d18\uq.cpl Synchronize,Write 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
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 漕藐䱟ǜ RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\applicationassociationtoasts::cplfile_.cpl RegNtPreCreateKey
HKCU\local settings\software\microsoft\windows\shell\muicache::c:\windows\system32\control.exe.friendlyappname Windows Control Panel RegNtPreCreateKey
HKCU\local settings\software\microsoft\windows\shell\muicache::c:\windows\system32\control.exe.applicationcompany Microsoft Corporation RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 {�@ xy!kP~�ރ!��� ��^!۴�D}��Vs}�kP~���1(��D���d!B BF e����1���h�n�}!e��!e�� RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 |�@ xy!kP~�ރ!��� ��^!۴�D}��Vs}�kP~���1(��D���d!B BF e����1���h�n�}!e��!e�� RegNtPreCreateKey
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HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 �e�r�V��*����8\x��B +� �� �6 �} �� �� 7� xy �� �� ۀ>�����B�����x�%���8�5����Bx�����\�!IN�sb!>!wz#@�#��#�O$kF$��$¨%:�%f�%�'�'i'�!(� RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 }�@ xy!kP~�ރ!��� ��^!۴�D}��Vs}�kP~���1(��D���d!B BF e����1���h�n�}!e��!e�� 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!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
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  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenMutant
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • 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!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • 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!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!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
  • ShellExecuteEx
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserObjectInformation
Process Terminate
  • TerminateProcess

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\aa229d85cf033c5a3a3f1c722fe6d79d8bc110d9_0000856064.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\31c6a92e606b06a5b0200c9a969e9889fdb7b8e2_0001548288.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\4d694d8387b92b011a19e4496ee6f22033bd3848_0002423008.,LiQMAxHB
(NULL) C:\Users\Zqyxxmcy\AppData\Local\Temp\7zB0C88D18\F6kjORq8.cMd
C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uq.cpl "C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uQ.CPL"
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C:\WINDOWS\SysWOW64\rundll32.exe "C:\WINDOWS\SysWOW64\rundll32.exe" "C:\WINDOWS\SysWOW64\shell32.dll",#44 "C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uq.cpl",
open %SystemRoot%\system32\rundll32.exe Shell32.dll,Control_RunDLL "C:\Users\Zqyxxmcy\appdata\local\temp\7zb0c88d18\uq.cpl",

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