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Flexihub.exe Trojan Downloader Analysis

Updated 20 days ago
Checked by Malware Check
flexihub.exe

Technical Analysis

File Name flexihub.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-20 15:00:35 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
12,925,952
File Size (bytes)
2025-12-20
Analysis Date

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File Identification

Hash Type Value Action
MD5
987f20699c34236f239785999364c797
SHA1
2d2e25b3a3cec3a429752dc48c3cf6c86c15be43
SHA256
80f1104ebff2dc287b4496e69c45278c44ab8a261e492b85ea9646fa0945b96a
SHA512
8328170eca8b850e663a168266b4225785c0b6f17c9b133efca191db690aa59d0f477e4df656885e9a9bcb0b26fce359104c7a0d225e22f299b78b752e045e11
ImpHash
332f7ce65ead0adfb3d35147033aabe9

PE Analysis

Basic Information

▼
Icon
Hash: 1349e547e4040b07e513fcc4d2861746
Fuzzy: 4efbd9f2d747d9026f95224e465e151a
dHash: 5030d444ecec80aa
Image Base 0x00400000
Entry Point 0x0049ab80
Compilation Time 1992-06-19 22:22:17
Checksum 0x00000000 (Actual: 0x00c63814)
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 8 Sections

Version Information

▼
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 仙夜
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 12,227,132 bytes 12,227,584 bytes 7.97 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_SHARED|IMAGE_SCN_MEM_READ 9F17FBCDB3C1C747F731A5DAC21EB1A2
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 (12,223,575 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
0.1%
RT_DIALOG 1 82 bytes
0%
RT_STRING 24 17,100 bytes
0.1%
RT_RCDATA 8 12,189,313 bytes
99.7%
RT_GROUP_CURSOR 7 140 bytes
0%
RT_GROUP_ICON 1 20 bytes
0%
RT_VERSION 2 1,344 bytes
0%

Certificate Chain Analysis

▼
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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