Threat Database Trojans Trojan.Downloader.Gen.NF

Trojan.Downloader.Gen.NF

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: February 20, 2026
Last Seen: February 28, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.Gen.NF indicates that your system has been compromised by a potentially malicious threat. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can have various functions, including downloading additional malware, stealing sensitive information, or providing unauthorized access to the infected system.

What Is Trojan.Downloader.Gen.NF?

Trojan.Downloader.Gen.NF is a generic detection name that suggests the malware is a type of Trojan downloader. This means it is designed to download and install additional malware or other malicious components from the internet. The exact capabilities and intentions of Trojan.Downloader.Gen.NF can vary, but its primary function is to act as a gateway for other malicious software to infect the system.

How Trojan.Downloader.Gen.NF Operates

Trojan downloaders like Trojan.Downloader.Gen.NF typically operate by exploiting vulnerabilities in the system or by tricking users into installing them. Once installed, they can communicate with their command and control servers to receive instructions and download additional malware. This can lead to a range of malicious activities, including data theft, ransomware attacks, or the installation of other types of malware such as spyware, adware, or keyloggers.

Symptoms of Infection

Systems infected with Trojan.Downloader.Gen.NF may exhibit a range of symptoms, including slow system performance, frequent crashes, or unusual network activity. Users may also notice unfamiliar programs or icons on their desktop, changes to their browser settings, or unexpected pop-ups and advertisements. However, some infections may not display any noticeable symptoms, making them difficult to detect without the use of antivirus software.

  • Unexplained changes to system settings or browser configurations
  • Appearance of unknown or suspicious programs
  • Increased network activity without apparent cause
  • System crashes or instability
  • Pop-ups, ads, or other unwanted content

How to Remove Trojan.Downloader.Gen.NF

  1. Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow for internet access for downloading removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full system scan to detect and remove all instances of the malware.
  3. Uninstall any suspicious programs 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 (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure that all malware has been removed.

Conclusion

Removing Trojan.Downloader.Gen.NF requires careful and systematic steps to ensure that all components of the malware are eliminated from the system. It's crucial to use reputable anti-malware tools and to follow best practices for system security to prevent future infections. Keeping your operating system, software, and security tools up to date, along with being cautious when opening email attachments or downloading software from the internet, can significantly reduce the risk of malware infections.

Analysis Report

General information

Family Name: Trojan.Downloader.Gen.NF
Signature status: Hash Mismatch

Known Samples

MD5: 530501c3906da30a7072c9e25bc76234
SHA1: 62862c5ae00e859ce13a98f6e21c3a00eafdf7b7
SHA256: 7E3F2D1E8C115B4BB9500CC5C33A6C5489912994517CA77F1A1A89D107AADB14
File Size: 145.26 KB, 145256 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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)
  • 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
Company Name Digital Wave Ltd
File Description tier0
File Version 1,2,47,1017
Internal Name tier0.dll
Legal Copyright © 2010-2022 Digital Wave Ltd
Original Filename tier0.dll
Product Name Free Studio
Product Version 1,2,47,1017

Digital Signatures

Signer Root Status
Digital Wave Ltd DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 Hash Mismatch

File Traits

  • dll
  • x86

Block Information

Total Blocks: 397
Potentially Malicious Blocks: 9
Whitelisted Blocks: 388
Unknown Blocks: 0

Visual Map

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

Similar Families

  • Rugmi.GI

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!NtQueryAttributesFile
Show More
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • 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!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\62862c5ae00e859ce13a98f6e21c3a00eafdf7b7_0000145256.,LiQMAxHB

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