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The Wub.exe (Windows Update Blocker) File Analysis

Updated 25 days ago
Checked by Malware Check
Wub.exe

Technical Analysis

File Name Wub.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.231.174
Database Version 2025-12-14 13:00:19 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
810,000
File Size (bytes)
2025-12-14
Analysis Date

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File Identification

Hash Type Value Action
MD5
82aff8883099cf75462057c4e47e88ac
SHA1
68e2939f59b3869e9bd3ecc4aca3947649631bf8
SHA256
aac1123f17f8569a36bf93876cea30e15103fd2379b401a79129a2a6e7285ac2
SHA512
212ac940a1f8bdd805813c279d471efc53b858bc35c5edad182dfde3c29c37854618a507a0a0839e5a383d1ba4fe317c0b3c8275d023c86ecfa36f221560b96d
ImpHash
0fdea7b843f3a9b0df5ebae1939072ae

PE Analysis

Basic Information

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Icon
Hash: 513675486763bd38b5c1e17322abd667
Fuzzy: 310d8c196a0ff8ccf5f8e19963edeef6
dHash: b1b0b27be984e060
Image Base 0x00400000
Entry Point 0x00416310
Compilation Time 2010-04-16 07:47:33
Checksum 0x000c7fd8 (Actual: 0x000c7fd8)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature Chain verification from CN=Sordum Software (serial:161658898443684691303640455136910953667, sha1:56cbbf533d922f3301ca694e316ef224ba97f127) failed: The X.509 certificate provided is self-signed - "Common Name: Sordum Software"
Imports 16 libraries
Exports 0 functions
Resources 30 Resources
Sections 4 Sections

Version Information

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FileVersion 1.8.0.0
Comments Windows Update Blocker v1.8
FileDescription Windows Update Blocker
LegalCopyright Copyright © 2016-2023 www.sordum.org All Rights Reserved.
Coder By BlueLife
CompanyName www.sordum.org
ProductVersion 1.8.0.0
OriginalFilename Wub.exe
Translation 0x0809 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 524,311 bytes 524,800 bytes 6.63 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 75D4635F1EBB3C1ADE06AB9192A74CBB
.rdata 0x00082000 55,644 bytes 55,808 bytes 4.87 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ FF79674BE4D3521C4C22CE4BA47EAF6A
.data 0x00090000 107,800 bytes 26,624 bytes 2.20 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 6C0F6014A0C182C6A7F8A52218A044C8
.rsrc 0x000ab000 80,652 bytes 80,896 bytes 7.14 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ C1C0ACB9509E4CCBF29A5034BC15B2D1
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 30 (78,950 bytes)
Resource Type Count Total Size Percentage
RT_ICON 12 52,402 bytes
66.4%
RT_STRING 3 1,558 bytes
2%
RT_RCDATA 5 22,788 bytes
28.9%
RT_GROUP_ICON 8 216 bytes
0.3%
RT_VERSION 1 804 bytes
1%
RT_MANIFEST 1 1,182 bytes
1.5%

Certificate Chain Analysis

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Certificate Information
Description Windows Update Blocker
File Version 1.8.0.0
Original Name Wub.exe
Signing Date 06:57 PM 06/09/2023 (944 days ago)
Verification Status A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
Signers Sordum Software
Copyright Copyright © 2016-2023 www.sordum.org All Rights Reserved.
Certificate Chain Summary
Sordum Software #1 Primary
Validity Period: 2021-08-15 21:00:00 → 2032-07-31 21:00:00
Signature Algorithm: 1.3.14.3.2.29
Serial Number: 79 9E 5F 0F 69 BE CB 93 49 4A B3 10 EF 62 CC C3
GlobalSign #2 Chain
Validity Period: 2014-12-10 00:00:00 → 2034-12-10 00:00:00
Signature Algorithm: sha384RSA
Serial Number: 45 E6 BB 03 83 33 C3 85 65 48 E6 FF 45 51
GlobalSign Timestamping CA - SHA384 - G4 #3 Chain
Validity Period: 2018-06-20 00:00:00 → 2034-12-10 00:00:00
Signature Algorithm: sha384RSA
Serial Number: 01 EC 1C 92 40 DE FD 2E 40 5D 7C 47 74
Globalsign TSA for MS Authenticode Advanced - G4 #4 Chain
Validity Period: 2022-04-06 07:41:58 → 2033-05-08 07:41:58
Signature Algorithm: sha256RSA
Serial Number: 01 48 90 3D C2 8A BC A7 A1 19 4D 0C 1C 57 B8 29

✓ 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

Chain verification from CN=Sordum Software (serial:161658898443684691303640455136910953667, sha1:56cbbf533d922f3301ca694e316ef224ba97f127) failed: The X.509 certificate provided is self-signed - "Common Name: Sordum Software"

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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