Trojan.Kryptik.AAZC

The detection of Trojan.Kryptik.AAZC on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it's essential to understand its nature and take steps to remove it. In this report, we will provide an overview of Trojan.Kryptik.AAZC, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.

What Is Trojan.Kryptik.AAZC?

Trojan.Kryptik.AAZC is a type of malware that belongs to the broader category of Trojans. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to a computer system. The name "Trojan.Kryptik.AAZC" suggests that it may have cryptographic capabilities, but without further information, it's difficult to determine its specific characteristics or intentions.

How Trojan.Kryptik.AAZC Operates

Trojan.Kryptik.AAZC, like other Trojans, operates by exploiting vulnerabilities in software or human behavior to gain access to a computer system. Once inside, it can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or providing a backdoor for remote access. The exact mechanisms used by Trojan.Kryptik.AAZC are not specified, but it's clear that its primary goal is to compromise the security and integrity of the infected system.

Symptoms of Infection

The symptoms of a Trojan.Kryptik.AAZC infection can vary, but common indicators include unusual system behavior, such as slow performance, unexpected crashes, or unfamiliar programs running in the background. You may also notice suspicious network activity, changes to system settings, or alerts from your security software. However, some Trojans can operate silently, making it difficult to detect their presence without the aid of security tools.

How to Remove Trojan.Kryptik.AAZC

1. Restart your computer in Safe Mode with Networking to prevent the malware 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 instances of Trojan.Kryptik.AAZC and any associated malware.
3. Uninstall any suspicious programs that you do not recognize or that were installed around the time of the infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings that the Trojan may have installed.
5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Trojan.Kryptik.AAZC from your system requires a combination of technical knowledge and the right tools. By following the steps outlined in this report, you can effectively remove the malware and restore the security and integrity of your computer. Remember to always be cautious when downloading software, opening email attachments, or clicking on links from unknown sources, as these are common vectors for malware infections. Keeping your operating system, software, and security tools up to date is also crucial in preventing future infections.

Analysis Report

General information

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

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: 2d97c43ab6cfbfc415ef748dd64e9dcf SHA1: c48721e4709dd086b58d974619fe4dd87defb7e9 SHA256: 3017EA7DC6B3B458D08C1473CDDEC15D4083A0AB51DE978BB08BFDDC53CB6DB8 File Size: 1.52 MB, 1519616 bytes

MD5: e2db1b982d6e00581899dee8702648c6 SHA1: 703e324c4e48a4568179f5180160e5093ecf4439 SHA256: EC7F38EF2AB92D927E6132AA13DF8B9984F634FDB1B6DB9734D83C8B13AA8F57 File Size: 2.25 MB, 2249368 bytes

MD5: b1e5a2c318bcf2231ea44c19bd9d92cd SHA1: 9e2f3bca3e06c1e53c18bcdbb5435aa2bc464817 SHA256: 536F72080227F4DB46448E5822E7EBCCECD163C8452DE5D4389062FB9E85DB77 File Size: 2.66 MB, 2660078 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• File doesn't have "Rich" header
• File doesn't have exports table
• File doesn't have security information
• File has exports table
• File has TLS information
• 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)
• File is not packed

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• IMAGE_FILE_DLL is not set inside PE header (Executable)
• IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

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File Icons

This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.

Windows PE Version Information

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Windows PE Version Information

This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.

Name	Value
Company Name	Alexander Roshal Digia Plc and/or its subsidiary(-ies)
File Description	C++ application development framework. WinRAR
File Version	8.7.0.0 7.0.1
Internal Name	WinRAR
Legal Copyright	Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). Copyright © Alexander Roshal 1993-2023
Original Filename	ktirn4.dll WinRAR.exe
Product Name	Kt4 WinRAR
Product Version	7.0.1

File Traits

• 2+ executable sections
• dll
• HighEntropy
• VirtualQueryEx
• x86

Files Modified

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Files Modified

This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.

File	Attributes
c:\users\user\appdata\local\temp\__tmp_rar_sfx_access_check_10111859	Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\hbg9.5z	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\hbg9.5z	Synchronize,Write Attributes

Registry Modifications

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Registry Modifications

This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.

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

Windows API Usage

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Windows API Usage

This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.

Category	API
Syscall Use	ntdll.dll!NtAlpcSendWaitReceivePort ntdll.dll!NtClose ntdll.dll!NtCreateFile ntdll.dll!NtCreateSection ntdll.dll!NtFreeVirtualMemory ntdll.dll!NtMapViewOfSection ntdll.dll!NtOpenFile ntdll.dll!NtOpenKey ntdll.dll!NtOpenProcessToken ntdll.dll!NtProtectVirtualMemory Show More ntdll.dll!NtQueryAttributesFile ntdll.dll!NtQueryDebugFilterState ntdll.dll!NtQueryInformationProcess ntdll.dll!NtQueryInformationThread ntdll.dll!NtQueryInformationToken ntdll.dll!NtQuerySystemInformationEx ntdll.dll!NtQueryValueKey ntdll.dll!NtQueryVirtualMemory ntdll.dll!NtQueryVolumeInformationFile ntdll.dll!NtReadFile ntdll.dll!NtSetEvent ntdll.dll!NtSetInformationFile ntdll.dll!NtSetInformationProcess ntdll.dll!NtTestAlert ntdll.dll!NtUnmapViewOfSection ntdll.dll!NtWriteFile ntdll.dll!NtWriteVirtualMemory win32u.dll!NtUserGetKeyboardLayout win32u.dll!NtUserGetThreadState
Process Shell Execute	CreateProcess
Anti Debug	IsDebuggerPresent NtQuerySystemInformation
User Data Access	GetUserObjectInformation
Keyboard Access	GetKeyState

Shell Command Execution

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Shell Command Execution

This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\c48721e4709dd086b58d974619fe4dd87defb7e9_0001519616.,LiQMAxHB