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The k2026fwup1.exe (Win32 Cabinet Self-Extractor) File Analysis

Updated 3 months ago
Checked by Malware Check
k2026fwup1.exe

Technical Analysis

File Name k2026fwup1.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows, MS CAB-Installer self-extracting archive
Scanner Version 1.0.225.174
Database Version 2025-09-19 04:00:32 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
1,895,424
File Size (bytes)
2025-09-19
Analysis Date

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File Identification

Hash Type Value Action
MD5
a7bb0b9894ec1e84ade0063bf306c1ac
SHA1
44184f1379c061067ac23ac30055a2b04ddf3940
SHA256
9fe8fa750e45580ab594df2ba9435b91f10a6f1281029531c13f179cd8a6523c
SHA512
168b17bd5146daf897f3f0e9f0cbf637728a6a9ccc6e2a07ba85e54e03897f756d71a679e339a5396d7b6d873eb784071dbb74c118df786654c1062936485731
ImpHash
2339ac77bf9371500ebbf86df3a10d43

PE Analysis

Basic Information

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Icon
Hash: 3e91cc67e146308239c15a39134ff14e
Fuzzy: 2e2cf0d16805fb9dfdfc9b2658485b99
dHash: f0f0f4d8c8c8d8f0
Image Base 0x01000000
Entry Point 0x01006af8
Compilation Time 2009-07-13 23:42:43
Checksum 0x001dd804 (Actual: 0x001dd804)
OS Version 6.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, MS CAB-Installer self-extracting archive
PDB Path wextract.pdb
Digital Signature No valid SignedData structure was found.
Imports 7 libraries
ADVAPI32, KERNEL32, GDI32, USER32, msvcrt, COMCTL32, VERSION
Exports 0 functions
Resources 56 Resources
Sections 4 Sections

Version Information

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CompanyName Microsoft Corporation
FileDescription Win32 Cabinet Self-Extractor
FileVersion 8.00.7600.16385 (win7_rtm.090713-1255)
InternalName Wextract
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename WEXTRACT.EXE .MUI
ProductName Windows® Internet Explorer
ProductVersion 8.00.7600.16385
Translation 0x0409 0x04b0
CompanyName Microsoft Corporation
FileDescription Win32 キャビネット 自己展開ツール
FileVersion 8.00.7600.16385 (win7_rtm.090713-1255)
InternalName Wextract
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename WEXTRACT.EXE .MUI
ProductName Windows® Internet Explorer
ProductVersion 8.00.7600.16385
Translation 0x0411 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 43,748 bytes 44,032 bytes 6.54 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 3AEB6FB8FE8AB95F2462E3AFB8B8ACD3
.data 0x0000c000 8,796 bytes 1,536 bytes 6.60 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE F3764284F4D25ED35F75B9C16E1AB608
.rsrc 0x0000f000 1,847,296 bytes 1,845,248 bytes 7.98 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ FF86FB39045A605A2056C03FF5FBEBE9
.reloc 0x001d2000 3,480 bytes 3,584 bytes 4.81 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ BC74EB2A181CF1029262828DB6AC5B5D
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: 56 (1,842,178 bytes)
Resource Type Count Total Size Percentage
AVI 1 11,802 bytes
0.6%
RT_ICON 13 85,490 bytes
4.6%
RT_DIALOG 12 4,606 bytes
0.3%
RT_STRING 12 9,814 bytes
0.5%
RT_RCDATA 14 1,726,998 bytes
93.7%
RT_GROUP_ICON 1 188 bytes
0%
RT_VERSION 2 2,020 bytes
0.1%
RT_MANIFEST 1 1,260 bytes
0.1%

Certificate Chain Analysis

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Certificate Information
Product Windows® Internet Explorer
Description Win32 Cabinet Self-Extractor
File Version 8.00.7600.16385 (win7_rtm.090713-1255)
Original Name WEXTRACT.EXE .MUI
Internal Name Wextract
Copyright © Microsoft Corporation. All rights reserved.

✓ This file has been digitally signed and the certificate chain has been verified

  • The signature ensures file integrity and authenticity from the publisher
  • Timestamping proves when the signature was applied
Certificate Verification Status

No valid SignedData structure was found.

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

Remember: This is Result of Online Virus Scanner

Gridinsoft Anti-Malware has a much more powerful virus scanning engine. We recommend using it for a more precise diagnosis of infected systems. This brief guide will help you install our flagship product for more accurate diagnostics:

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
  2. Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
  3. Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
  4. Email Security: Be cautious with email attachments and links, even from known contacts.
Proactive Protection
This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

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