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The avast_free_antivirus_18.6.2349.setup_online.exe (Avast Antivirus Installer) File Analysis

Updated 2 months ago
Checked by Malaware Check
avast_free_antivirus_18.6.2349.setup_online.exe

Technical Analysis

File Name avast_free_antivirus_18.6.2349.setup_online.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.212.174
Database Version 2025-04-02 18:00:31 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
7,439,320
File Size (bytes)
2025-04-02
Analysis Date

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File Identification

Hash Type Value Action
MD5
202f587eb48e725be281b5c46f3a5ff0
SHA1
c85ad0b0bcf6a8fce4e5d3b45f909e5c045bcee0
SHA256
ac43d01adf85687563042a6f5724ca05f1f5e6dba5afe72ea3e3dc62824cb148
SHA512
114fb45855c2b202a8e43d156c0a9fb9b591a10ad388f937a9b0a482bba4ef42f877b69d9e69f2151847e97bf0d612a777e8f5259f6d9829da712401b1a10e6a
ImpHash
eb671db28237f72317b015b7e643a769

PE Analysis

Basic Information

▼
Icon
Hash: 09875814b3b5b4d1f9484653977a8687
Fuzzy: b83b47d03ea3a1d03ccb4e85fb61319f
dHash: 8c8cf0e8e8b24280
Image Base 0x00400000
Entry Point 0x00431740
Compilation Time 2018-08-19 18:40:57
Checksum 0x007233cb (Actual: 0x007233cb)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
PDB Path d:\Workspace\workspace\ProductionClients-ForRelease\AVBranding\avast\CONFIG\Release\label_exp\WinClient\BUILDS\Release\x86\SfxInst.pdb
Digital Signature OK
Imports 2 libraries
KERNEL32, ntdll
Exports 2 functions
Resources 15 Resources
Sections 6 Sections

Version Information

▼
Comments Avast Antivirus
CompanyName AVAST Software
FileDescription Avast Antivirus Installer
FileVersion 18.6.3983.0
InternalName SfxInst
LegalCopyright Copyright (c) 2018 AVAST Software
OriginalFilename SfxInst.exe
ProductName Avast Antivirus
ProductVersion 18.6.3983.0
Translation 0x0000 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 921,578 bytes 921,600 bytes 6.70 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 7FA574C91F640BFB29F8B3BCDA095B5B
.rdata 0x000e2000 248,176 bytes 248,320 bytes 5.54 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 8EE05B85A6F8B750B6E89B4ACE1E224E
.data 0x0011f000 33,080 bytes 19,968 bytes 4.36 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 7158C2F1A6E6B202C346BFAFE995ED56
.didat 0x00128000 504 bytes 512 bytes 4.29 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BFF6820CB5AF798FA30C4EFBB321212C
.rsrc 0x00129000 55,744 bytes 55,808 bytes 5.83 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 28FE854262F87A4B5D73B13553D36F80
.reloc 0x00137000 47,840 bytes 48,128 bytes 6.64 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 7A08BACFBE6A2C172953FA9302A06A37
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 15 (54,850 bytes)
Resource Type Count Total Size Percentage
FILE 1 7,841 bytes
14.3%
RT_ICON 11 44,938 bytes
81.9%
RT_GROUP_ICON 1 160 bytes
0.3%
RT_VERSION 1 832 bytes
1.5%
RT_MANIFEST 1 1,079 bytes
2%

Certificate Chain Analysis

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Certificate Information
Product Avast Antivirus
Description Avast Antivirus Installer
File Version 18.6.3983.0
Original Name SfxInst.exe
Signing Date 10:02 AM 08/21/2018 (2482 days ago)
Verification Status Signed
Signers AVAST Software s.r.o.; DigiCert High Assurance Code Signing CA-1; DigiCert
Counter Signers DigiCert Timestamp Responder; DigiCert Assured ID CA-1; DigiCert
Internal Name SfxInst
Copyright Copyright (c) 2018 AVAST Software
Certificate Chain Summary
AVAST Software s.r.o. #1 Primary
Validity Period: 2016-09-06 00:00:00 → 2019-10-04 12:00:00
Signature Algorithm: sha1RSA
Serial Number: 07 C7 0F 7C AB 14 5B C1 ED 38 5F BE 69 FA 31 30
DigiCert High Assurance EV Root CA #2 Chain
Validity Period: 2011-04-15 19:45:33 → 2021-04-15 19:55:33
Signature Algorithm: sha1RSA
Serial Number: 61 20 4D B4 00 00 00 00 00 27
DigiCert Timestamp Responder #3 Chain
Validity Period: 2014-10-22 00:00:00 → 2024-10-22 00:00:00
Signature Algorithm: sha1RSA
Serial Number: 03 01 9A 02 3A FF 58 B1 6B D6 D5 EA E6 17 F0 66
DigiCert High Assurance Code Signing CA-1 #4 Chain
Validity Period: 2011-02-11 12:00:00 → 2026-02-10 12:00:00
Signature Algorithm: sha1RSA
Serial Number: 02 C4 D1 E5 8A 4A 68 0C 56 8D A3 04 7E 7E 4D 5F
DigiCert Assured ID CA-1 #5 Chain
Validity Period: 2006-11-10 00:00:00 → 2021-11-10 00:00:00
Signature Algorithm: sha1RSA
Serial Number: 06 FD F9 03 96 03 AD EA 00 0A EB 3F 27 BB BA 1B
AVAST Software s.r.o. #6 Chain
Validity Period: 2017-05-16 00:00:00 → 2020-06-24 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 01 E9 39 99 F3 87 1D 10 91 DC 1E 8D 58 B8 D4 05
DigiCert SHA2 Assured ID Code Signing CA #7 Chain
Validity Period: 2013-10-22 12:00:00 → 2028-10-22 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 04 09 18 1B 5F D5 BB 66 75 53 43 B5 6F 95 50 08
DigiCert Assured ID Root CA #8 Chain
Validity Period: 2011-04-15 19:41:37 → 2021-04-15 19:51:37
Signature Algorithm: sha1RSA
Serial Number: 61 1C B2 8A 00 00 00 00 00 26
DigiCert SHA2 Timestamp Responder #9 Chain
Validity Period: 2017-01-04 00:00:00 → 2028-01-18 00:00:00
Signature Algorithm: sha256RSA
Serial Number: 09 C0 FC 46 C8 04 42 13 B5 59 8B AF 28 4F 4E 41
DigiCert SHA2 Assured ID Timestamping CA #10 Chain
Validity Period: 2016-01-07 12:00:00 → 2031-01-07 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 0A A1 25 D6 D6 32 1B 7E 41 E4 05 DA 36 97 C2 15

✓ 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

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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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