The WhatsApp Installer exe (Store Installer) Microsoft Corporation File Malware Analysis
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The WhatsApp Installer.exe (Store Installer) File Analysis

Updated 1 month ago
Checked by Malware Check
WhatsApp Installer.exe

Technical Analysis

File Name WhatsApp Installer.exe
File Type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-12-03 15:00:44 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
1,106,976
File Size (bytes)
2025-12-03
Analysis Date

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File Identification

Hash Type Value Action
MD5
c2becbcbf0c6fb9a1d7f07b217432282
SHA1
f36593c0e0b1029c9b9ba484cc5d4edae1a13403
SHA256
af2f6399ad10c0f3fe31956ea494508430af2487e3d8aeda02a7e94b41a161b9
SHA512
40af33c4822433960feb6d8c010b712d7295bb7a9f1d9cbc3f3ce11ab376bfc5bad7a5985eb6bf8606632eef665682da1c655b2dde248cbb21a9695d195cec9d
ImpHash
f34d5f2d4577ed6d9ceec516c1f5a744

PE Analysis

Basic Information

▼
Icon
Hash: af268eef8db8ec449108c7a6ffe6be62
Fuzzy: c997ac36079db227934b19308ae817bd
dHash: c4ccb392f1f192cc
Image Base 0x00400000
Entry Point 0x004f667a
Compilation Time 2097-12-25 00:56:56
Checksum 0x001179ff (Actual: 0x0011437b)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
PDB Path D:\a\_work\1\s\src\StoreInstaller\obj\Release\net472\StoreInstaller.pdb
Digital Signature Chain verification from CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, ST=Washington, C=US (serial:1137360093412609446373748977095823222915524961, sha1:a610f1bac0cca0ace3522931d10c2919aca28261) failed: The path could not be validated because the end-entity certificate contains the following unsupported critical extension: 1.3.6.1.4.1.311.21.10
Imports 1 libraries
mscoree
Exports 0 functions
Resources 11 Resources
Sections 3 Sections

Version Information

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Translation 0x0000 0x04b0
CompanyName Microsoft Corporation
FileDescription Store Installer
FileVersion 22511.1118.1.0
InternalName StoreInstaller.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename StoreInstaller.exe
ProductName Store Installer
ProductVersion 22511.1118.01.0+50424abb0f555c581ded03dae7dde0f55fe555d0
Assembly Version 22511.1118.1.0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00002000 1,001,120 bytes 1,001,472 bytes 6.75 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D4329D1D75F517F5575DB1CC37138923
.rsrc 0x000f8000 75,048 bytes 75,264 bytes 7.94 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 574D18133C49A43715E0F9062141020B
.reloc 0x0010c000 12 bytes 512 bytes 0.10 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 089E3327E80CF3B6B88D6A9AA8783A0D
Entropy Analysis Alert

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

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

Resource Analysis

▼
Total Resources: 11 (74,382 bytes)
Resource Type Count Total Size Percentage
RT_ICON 8 69,905 bytes
94%
RT_GROUP_ICON 1 118 bytes
0.2%
RT_VERSION 1 998 bytes
1.3%
RT_MANIFEST 1 3,361 bytes
4.5%

Certificate Chain Analysis

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Certificate Information
Product Store Installer
Description Store Installer
File Version 22511.1118.1.0
Original Name StoreInstaller.exe
Signing Date 05:56 AM 11/19/2025 (50 days ago)
Verification Status Signed
Signers Microsoft Corporation; Microsoft Marketplace CA G 024; Microsoft MarketPlace PCA 2011; Microsoft Root Certificate Authority 2011
Counter Signers Microsoft Time-Stamp Service; Microsoft Time-Stamp PCA 2010; Microsoft Root Certificate Authority 2010
Internal Name StoreInstaller.exe
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Microsoft Corporation #1 Primary
Validity Period: 2022-05-12 20:46:01 → 2023-05-11 20:46:01
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 02 CC 8E B5 96 A6 BD D1 C9 4E 00 00 00 00 02 CC
Microsoft Code Signing PCA 2011 #2 Chain
Validity Period: 2011-07-08 20:59:09 → 2026-07-08 21:09:09
Signature Algorithm: sha256RSA
Serial Number: 61 0E 90 D2 00 00 00 00 00 03
Microsoft Time-Stamp Service #3 Chain
Validity Period: 2022-03-02 18:51:26 → 2023-05-11 18:51:26
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 AA A5 31 9B 0B CB B2 08 0E 00 01 00 00 01 AA
Microsoft Time-Stamp PCA 2010 #4 Chain
Validity Period: 2021-09-30 18:22:25 → 2030-09-30 18:32:25
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 15 C5 E7 6B 9E 02 9B 49 99 00 00 00 00 00 15
Microsoft Corporation #5 Chain
Validity Period: 2025-11-19 05:46:12 → 2025-11-22 05:46:12
Signature Algorithm: sha256RSA
Serial Number: 33 00 40 E9 61 70 DA 24 8F EC 26 09 D6 00 01 00 40 E9 61
Microsoft MarketPlace PCA 2011 #6 Chain
Validity Period: 2011-03-28 21:09:39 → 2031-03-28 21:19:39
Signature Algorithm: sha256RSA
Serial Number: 61 12 44 A2 00 00 00 00 00 02
Dummy certificate #7 Chain
Validity Period: 2013-01-01 10:00:00 → 2013-04-01 10:00:00
Signature Algorithm: sha1RSA
Serial Number: 01
Microsoft Time-Stamp Service #8 Chain
Validity Period: 2025-01-30 19:42:53 → 2026-04-22 19:42:53
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 02 08 78 9D 58 5D 92 C7 D9 52 00 01 00 00 02 08

✓ 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=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, ST=Washington, C=US (serial:1137360093412609446373748977095823222915524961, sha1:a610f1bac0cca0ace3522931d10c2919aca28261) failed: The path could not be validated because the end-entity certificate contains the following unsupported critical extension: 1.3.6.1.4.1.311.21.10

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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