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The Firefox Installer.exe (Firefox) File Analysis

Updated 1 hour ago
Checked by Malware Check
Firefox Installer.exe

Technical Analysis

File Name Firefox Installer.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Scanner Version 1.0.247.174
Database Version 2026-06-13 02:00:22 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
504,368
File Size (bytes)
2026-06-13
Analysis Date

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File Identification

Hash Type Value Action
MD5
f352a461dfe9ad6bacfebd24ac808e89
SHA1
9466962f78b2df8a475f4a65a57aa4a7a643fd82
SHA256
70340584a993068a9e18a40046ef2d42617fc8eaeef669a1f29b0e624288474d
SHA512
3ba5ff98a78d7fb8a78a8de357ce499fe7d7814a817c68330d87756924aaee4005b0823f0b9706f0bb6eb35083b5196785c9389db4000a8a255b71e6fdd0d1b0
ImpHash
05d3dce2be32df01ca249872dd2cc117

PE Analysis

Basic Information

▼
Icon
Hash: e57d8b6832f9f054d83aa0fa2762f932
Fuzzy: ddf36ee6805648340b0e294d6cea59a8
dHash: 61e4cd1df1f0f032
Image Base 0x00400000
Entry Point 0x00434fa0
Compilation Time 2018-08-30 22:18:33
Checksum 0x00088dfa (Actual: 0x000893bd)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Digital Signature OK
Imports 2 libraries
KERNEL32, MSVCRT
Exports 0 functions
Resources 12 Resources
Sections 3 Sections

Version Information

▼
CompanyName Mozilla
FileDescription Firefox
FileVersion 18.05
InternalName 7zS.sfx
LegalCopyright Mozilla
OriginalFilename 7zS.sfx.exe
ProductName Firefox
ProductVersion 18.05
Translation 0x0409 0x04b0

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
UPX0 0x00001000 147,456 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
UPX1 0x00025000 69,632 bytes 66,048 bytes 7.88 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 8550943BB85773C701D35429EC3F3E99
.rsrc 0x00036000 65,536 bytes 64,512 bytes 7.53 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE AC7C12A8FDE39F819EED0728FD7F1066
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 12 (64,114 bytes)
Resource Type Count Total Size Percentage
RT_ICON 4 61,507 bytes
95.9%
RT_DIALOG 1 184 bytes
0.3%
RT_STRING 4 368 bytes
0.6%
RT_GROUP_ICON 1 62 bytes
0.1%
RT_VERSION 1 628 bytes
1%
RT_MANIFEST 1 1,365 bytes
2.1%

Certificate Chain Analysis

▼
Certificate Information
Product Firefox
Description Firefox
File Version 18.05
Original Name 7zS.sfx.exe
Signing Date 07:32 PM 06/08/2026 (4 days ago)
Verification Status Signed
Signers Mozilla Corporation; DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1; DigiCert Trusted Root G4; DigiCert
Counter Signers DigiCert SHA256 RSA4096 Timestamp Responder 2025 1; DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1; DigiCert Trusted Root G4; DigiCert
Internal Name 7zS.sfx
Copyright Mozilla
Certificate Chain Summary
DigiCert Trusted Root G4 #1 Primary
Validity Period: 2022-06-09 00:00:00 → 2031-11-09 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 01 24 0A FB 1E 38 0B 8A 16 F1 4B 71 9D F4 D3 C0
DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 #2 Chain
Validity Period: 2021-04-29 00:00:00 → 2036-04-28 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 08 AD 40 B2 60 D2 9C 4C 9F 5E CD A9 BD 93 AE D9
Dummy #3 Chain
Validity Period: 2013-01-01 07:00:00 → 2013-01-02 07:00:00
Signature Algorithm: sha256RSA
Serial Number: 7E 89 B9 DF 00 6B D1 AA 4C 48 D8 65 03 96 34 CA
Mozilla Corporation #4 Chain
Validity Period: 2025-01-09 00:00:00 → 2027-01-08 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0F 0E F7 C2 D8 19 27 3E 8C 13 F0 16 D2 E0 9B 25
DigiCert Trusted Root G4 #5 Chain
Validity Period: 2022-08-01 00:00:00 → 2031-11-09 23:59:59
Signature Algorithm: sha384RSA
Serial Number: 0E 9B 18 8E F9 D0 2D E7 EF DB 50 E2 08 40 18 5A
DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1 #6 Chain
Validity Period: 2025-05-07 00:00:00 → 2038-01-14 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0D C7 AC 57 05 FF 21 99 2E 40 43 22 0C 3A 49 86
DigiCert SHA256 RSA4096 Timestamp Responder 2025 1 #7 Chain
Validity Period: 2025-06-04 00:00:00 → 2036-09-03 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0A 80 EF 18 4B 8D F1 05 82 D1 C4 76 A7 95 74 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. 1
    Weekly Quick Scans: Set a reminder to run a scan every Sunday. Most infections are caught within the first week, so regular checks give you peace of mind.
  2. 2
    Update Everything: Those annoying update popups exist for a reason — they patch security holes. Windows, browsers, Adobe, Java — keep them all current.
  3. 3
    Download Smart: Stick to official websites and app stores. If a "free" version of paid software sounds too good to be true, it probably comes with unwanted extras.
  4. 4
    Think Before You Click: Malware loves email attachments and "urgent" links. Even if an email looks like it's from your bank or a friend, verify suspicious requests through a different channel.
Proactive Protection
This file looks clean right now, but that doesn't mean you should let your guard down. New malware appears daily, and even legit files can be compromised after download. When in doubt, verify the source and check for a digital signature.

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