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MysteryYonder1.5.exe Trojan Downloader Analysis

Updated 3 months ago
Checked by Malware Check
MysteryYonder1.5.exe

Technical Analysis

File Name MysteryYonder1.5.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.227.174
Database Version 2025-10-11 07:00:15 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
26,408,375
File Size (bytes)
2025-10-11
Analysis Date

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File Identification

Hash Type Value Action
MD5
2a120c13680a00bcddab4c7246c998f3
SHA1
8f236e964aa55296cf9a602611b260a124328112
SHA256
d5cc5c26b13b0d87620854523248ca2acf7398be49d32cc6d86bcb069a3bee9d
SHA512
aa5d02b50b28221e596ab093e5d11639aeffbd22efef4dea5024e8a5d01f5e81ea008ffaaf50ad18377f83ced5ae82578f32c3d5cc47dddb6302f41f126952fa
ImpHash
332f7ce65ead0adfb3d35147033aabe9

PE Analysis

Basic Information

▼
Icon
Hash: 82cda1b5a550ffcd6cb6b89153678dd7
Fuzzy: 3b5d3c7d207e37dceeedd301e35e2e58
dHash: 9633c3cc2cce2b9a
Image Base 0x00400000
Entry Point 0x01b11000
Compilation Time 1992-06-19 15:40:48
Checksum 0x00000000 (Actual: 0x0193345f)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 12 libraries
Exports 0 functions
Resources 63 Resources
Sections 9 Sections

Version Information

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CompanyName Synaptics
FileDescription Synaptics Pointing Device Driver
FileVersion 1.0.0.4
InternalName
LegalCopyright
LegalTrademarks
OriginalFilename
ProductName Synaptics Pointing Device Driver
ProductVersion 1.0.0.0
Comments
Translation 0x041f 0x04e6
FileVersion 1.0.0.0
FileDescription 易语言程序
ProductName 易语言程序
ProductVersion 1.0.0.0
LegalCopyright 作者版权所有 请尊重并使用正版
Comments 本程序使用易语言编写(http://www.eyuyan.com)
Translation 0x0804 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
CODE 0x00001000 629,740 bytes 629,760 bytes 6.57 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 33FBE30E8A64654287EDD1BF05AE7C8C
DATA 0x0009b000 11,860 bytes 12,288 bytes 4.85 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1F5E19E7D20C1D128443D738AC7BC610
BSS 0x0009e000 4,581 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.idata 0x000a0000 10,818 bytes 11,264 bytes 4.92 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 21FF53180B390DC06E3A1ADF0E57A073
.tls 0x000a3000 16 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rdata 0x000a4000 57 bytes 512 bytes 0.78 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_SHARED|IMAGE_SCN_MEM_READ A92CF494C617731A527994013429AD97
.reloc 0x000a5000 43,392 bytes 43,520 bytes 6.67 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_SHARED|IMAGE_SCN_MEM_READ DCD1B1C3F3D28D444920211170D1E8E6
.rsrc 0x000b0000 23,465,864 bytes 23,465,984 bytes 7.94 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_SHARED|IMAGE_SCN_MEM_READ A8A92B193CB0CAE0296000CB3C5C6141
.text 0x01711000 2,244,008 bytes 2,244,008 bytes 6.34 (Normal) IMAGE_SCN_MEM_EXECUTE B76FA645F577E0EBBD5B2F98189E9AA2
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

2 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

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Total Resources: 63 (23,462,307 bytes)
Resource Type Count Total Size Percentage
RT_CURSOR 7 2,156 bytes
0%
RT_BITMAP 11 4,892 bytes
0%
RT_ICON 2 8,528 bytes
0%
RT_DIALOG 1 82 bytes
0%
RT_STRING 24 17,100 bytes
0.1%
RT_RCDATA 8 23,428,041 bytes
99.9%
RT_GROUP_CURSOR 7 140 bytes
0%
RT_GROUP_ICON 1 20 bytes
0%
RT_VERSION 2 1,348 bytes
0%

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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