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The asw_setup_1767849225.exe (Avast Installer) File Analysis

Updated 2 days ago
Checked by Malware Check
asw_setup_1767849225.exe

Technical Analysis

File Name asw_setup_1767849225.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.232.174
Database Version 2026-01-08 07:00:18 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
251,560
File Size (bytes)
2026-01-08
Analysis Date

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File Identification

Hash Type Value Action
MD5
2f105e1d57c30453926558beab16cee1
SHA1
ea5391188b15e22743c7bc313f1c3549841e8614
SHA256
c8f356a99173c1e0bc93e4f067b5b1390de5b20c009767bafab8bb3cfe44e613
SHA512
4cad22df354124d3993c96e0227d1d6f003262925fc663b2ce9949a70b258babd1371b4481b47bb9bfc698235b3c342f5f323da29b39983b7f96923398c7b7b7
ImpHash
5094a6090b28f727d1661b0e4c9330df

PE Analysis

Basic Information

▼
Icon
Hash: 547d555493d034d516aa965b6762642d
Fuzzy: c4daedc07d67aa18b239072283f41696
dHash: f0f0f26dd88c8ef0
Image Base 0x00400000
Entry Point 0x00401020
Compilation Time 2025-10-09 10:34:41
Checksum 0x00043eb7 (Actual: 0x00043eb7)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
PDB Path C:\BUILD\work\8b0ebd312dc47f30\projects\avast\microstub\x86\Release\microstub.pdb
Digital Signature OK
Imports 7 libraries
KERNEL32, USER32, GDI32, ADVAPI32, ole32, COMCTL32, SHLWAPI
Exports 0 functions
Resources 49 Resources
Sections 6 Sections

Version Information

▼
CompanyName Gen Digital Inc.
Edition 1
FileDescription Avast Installer
FileVersion 2.1.137.0
InternalName microstub
LegalCopyright Copyright © 2025 Gen Digital Inc. All rights reserved.
OriginalFilename microstub.exe
ProductName Avast
ProductVersion 2.1.137.0
Translation 0x0409 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 143,626 bytes 143,872 bytes 6.54 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 503E62A62F34151C2BBA09B89875C6F7
.rdata 0x00025000 41,912 bytes 41,984 bytes 5.44 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3F3A560B41AD7C6ED938F6AE9AA6E919
.data 0x00030000 5,688 bytes 2,560 bytes 2.92 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 64D75CD24F7AC5D016FC62AB3F42C8C1
.didat 0x00032000 80 bytes 512 bytes 0.74 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 4C706E96380A62B5843F26B34921E6D3
.rsrc 0x00033000 41,696 bytes 41,984 bytes 6.20 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 0433569DB72E6DA9F49354AEC20857ED
.reloc 0x0003e000 7,664 bytes 7,680 bytes 6.67 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 6BBB67BF6C1C390AE0292FEE4F27AC80
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 49 (39,670 bytes)
Resource Type Count Total Size Percentage
PNG 2 3,259 bytes
8.2%
RT_ICON 5 15,295 bytes
38.6%
RT_STRING 38 19,132 bytes
48.2%
RT_RCDATA 1 21 bytes
0.1%
RT_GROUP_ICON 1 76 bytes
0.2%
RT_VERSION 1 808 bytes
2%
RT_MANIFEST 1 1,079 bytes
2.7%

Certificate Chain Analysis

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Certificate Information
Product Avast
Description Avast Installer
File Version 2.1.137.0
Original Name microstub.exe
Signing Date 03:50 PM 12/23/2025 (17 days ago)
Verification Status Signed
Signers Gen Digital Inc.; Sectigo Public Code Signing CA R36; Sectigo Public Code Signing Root R46; Sectigo (AAA)
Counter Signers Sectigo Public Time Stamping Signer R36; Sectigo Public Time Stamping CA R36; Sectigo Public Time Stamping Root R46
Internal Name microstub
Copyright Copyright © 2025 Gen Digital Inc. All rights reserved.
Certificate Chain Summary
Sectigo Public Code Signing Root R46 #1 Primary
Validity Period: 2021-05-25 00:00:00 → 2028-12-31 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 48 FC 93 B4 60 55 94 8D 36 A7 C9 8A 89 D6 94 16
Sectigo Public Code Signing CA R36 #2 Chain
Validity Period: 2021-03-22 00:00:00 → 2036-03-21 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 62 1D 6D 0C 52 01 9E 3B 90 79 15 20 89 21 1C 0A
Gen Digital Inc. #3 Chain
Validity Period: 2025-06-11 00:00:00 → 2028-06-10 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 03 77 91 6C 3B C7 73 C3 98 A8 7F 1E 50 C0 53 4B
Sectigo Public Time Stamping Signer R36 #4 Chain
Validity Period: 2025-03-27 00:00:00 → 2036-03-21 23:59:59
Signature Algorithm: sha384RSA
Serial Number: A4 29 3B 6E 1E DD D7 A7 34 08 87 AD 7A 4E B7 24
Sectigo Public Time Stamping CA R36 #5 Chain
Validity Period: 2021-03-22 00:00:00 → 2036-03-21 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 7A 23 AE DA 53 69 96 0F 91 C8 3E 5C F4 C7 E3 3F
Sectigo Public Time Stamping Root R46 #6 Chain
Validity Period: 2021-03-22 00:00:00 → 2038-01-18 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 36 C2 B0 BD 7C 1B 3A E7 A3 B3 DD 36 CB C9 75 68

✓ 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

OK

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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