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Opti by NIX.exe Trojan Downloader Analysis

Updated 1 month ago
Checked by Malware Check
Opti by NIX.exe

Technical Analysis

File Name Opti by NIX.exe
File Type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-11-14 19:00:19 UTC
⚠

Trojan.Win32.Downloader.mz!n

Malware family: Downloader

Downloader Trojans specialize in retrieving and installing additional malware payloads. Unlike comprehensive malware, they focus specifically on payload delivery rather than direct system damage.
N/A
Detection Rate
416,768
File Size (bytes)
2025-11-14
Analysis Date

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File Identification

Hash Type Value Action
MD5
dc09eeb8e328df8a108a784b1fb16c2d
SHA1
6d788dea9d9ccdd390abb20280083ceea43dd80f
SHA256
2bca7279489601510060d38edcc8f4a8785940373d30a6e1c71110dc38f6112c
SHA512
ca4732c447102f2d9700fbb77c00be9eb8c0f7dd9aa87b23ae960b411f10d6e3e4863d62cc90d3c208d045bec2339b4ec493260c4eb75a907cc98c7b0c8f2bc7
ImpHash
f34d5f2d4577ed6d9ceec516c1f5a744

PE Analysis

Basic Information

▼
Icon
Hash: 3fccfa62dd9fa6347c208a60cf6a3a26
Fuzzy: f37d7939e3103e5d5d624c79a2f6e97a
dHash: 6273d13121333131
Image Base 0x00400000
Entry Point 0x0040c6fe
Compilation Time 2023-10-16 21:40:53
Checksum 0x00000000 (Actual: 0x0006ae0f)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 1 libraries
mscoree
Exports 0 functions
Resources 9 Resources
Sections 3 Sections

Version Information

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Translation 0x0000 0x04b0
Comments
CompanyName Synaptics
FileDescription Synaptics Pointing Device Driver
FileVersion 1.0.0.4
InternalName
LegalCopyright
LegalTrademarks
OriginalFilename
ProductName Synaptics Pointing Device Driver
ProductVersion 1.0.0.4
Assembly Version 1.0.0.4

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00002000 42,756 bytes 43,008 bytes 5.51 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 2F6DE4D2EEADDF9221E46F3D0C6E5E2C
.rsrc 0x0000e000 372,604 bytes 372,736 bytes 4.01 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D23EA26F3DA8EEA673612B5B85D72AD7
.reloc 0x0006a000 12 bytes 512 bytes 0.06 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 9F74508F137ABED26934823C43BA4E57

Resource Analysis

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Total Resources: 9 (372,057 bytes)
Resource Type Count Total Size Percentage
RT_ICON 6 369,968 bytes
99.4%
RT_GROUP_ICON 1 90 bytes
0%
RT_VERSION 1 828 bytes
0.2%
RT_MANIFEST 1 1,171 bytes
0.3%

Certificate Chain Analysis

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No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win32.Downloader.mz!n Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Downloader.mz!n without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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