Threat Database Trojans Trojan.Nitol.DA

Trojan.Nitol.DA

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 21,884
Threat Level: 80 % (High)
Infected Computers: 505
First Seen: November 6, 2017
Last Seen: June 24, 2026
OS(es) Affected: Windows

The detection of Trojan.Nitol.DA 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, steps to remove it from your computer. It's crucial to address this issue promptly to prevent any further damage or data compromise.

What Is Trojan.Nitol.DA?

Trojan.Nitol.DA is identified as a Trojan-type threat. Trojans are malicious programs that disguise themselves as legitimate software but are designed to allow unauthorized access to a computer system. They can be used for a variety of malicious purposes, including data theft, spyware, and ransomware distribution. The name Trojan.Nitol.DA itself suggests it's a variant of malware that could be part of a larger family of threats, but without specific details, it's essential to focus on general removal and protection strategies.

How Trojan.Nitol.DA Operates

Trojan-type malware, like Trojan.Nitol.DA, typically operates by deceiving users into installing it on their systems. This can happen through various means such as opening malicious email attachments, downloading software from untrusted sources, or visiting compromised websites. Once installed, the malware can create backdoors for remote access, allowing attackers to steal sensitive information, install additional malware, or use the infected computer for malicious activities without the user's knowledge.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely depending on the specific goals of the malware. Common signs include unexpected changes to computer settings, unusual network activity, slow system performance, and the appearance of unwanted programs or toolbars. In some cases, the infection might not display overt symptoms, making it difficult for users to detect without the aid of security software.

How to Remove Trojan.Nitol.DA

  1. Boot your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, which can detect and remove Trojan.Nitol.DA and other malware. Perform a full scan of your system to identify all malicious components.
  3. Uninstall any 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 malicious or unnecessary.
  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 perform another full scan with your anti-malware tool to ensure all components of Trojan.Nitol.DA have been removed.

Conclusion

Removing Trojan.Nitol.DA requires a combination of caution, the right tools, and a systematic approach. By following the steps outlined above, you should be able to eliminate the threat from your system. However, prevention is the best defense against malware. Always be cautious when opening email attachments or downloading software, keep your operating system and security software up to date, and regularly scan your computer for threats to protect against future infections.

Analysis Report

General information

Family Name: Trojan.Nitol.DA
Signature status: No Signature

Known Samples

MD5: b81a2924ec82e2956b38926e07c4180e
SHA1: 1073c20fcf842e229ca240e49b21f8d5b5b0dd78
SHA256: 1D0D0B5861F7403C5337AAC002E244ACDA5C8DFD06964F35F4DE5058116B4581
File Size: 85.50 KB, 85504 bytes
MD5: 10b9d2014d8e153832bb400e7d9dae6b
SHA1: a8fe25fbb520c95dcc007e9f16d2655502cdbd45
SHA256: 1EF856561FAA392F671301BC42B77D68E78B61A137A02787865487BEFA3E87F0
File Size: 86.53 KB, 86528 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have security information
  • File has exports table
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET application)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • x86

Block Information

Total Blocks: 67
Potentially Malicious Blocks: 36
Whitelisted Blocks: 31
Unknown Blocks: 0

Visual Map

0 x x x x x x x x x x x x x x 0 1 1 2 0 0 0 0 0 0 1 x x 0 x x x x 0 0 0 0 0 x x 0 0 x x x x x x x x x x x x x x 0 1 1 2 0 0 0 0 0 0 1
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Nitol.DA

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\users\user\appdata\local\temp\hrl1e85.tmp Generic Write,Read Attributes
c:\users\user\appdata\local\temp\hrl2453.tmp Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list::c:\users\iuwonwjv\appdata\local\temp\hrl1e85.tmp C:\Users\Iuwonwjv\AppData\Local\Temp\hrl1E85.tmp:*:enabled:@shell32.dll,-1 RegNtPreCreateKey

Windows API Usage

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
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  • 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!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Process Manipulation Evasion
  • NtUnmapViewOfSection
Other Suspicious
  • SetWindowsHookEx
User Data Access
  • GetUserObjectInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\1073c20fcf842e229ca240e49b21f8d5b5b0dd78_0000085504.,LiQMAxHB
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\a8fe25fbb520c95dcc007e9f16d2655502cdbd45_0000086528.,LiQMAxHB

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