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The zen.installer(2).exe (Firefox) File Analysis

Updated 1 second ago
Checked by Malware Check
zen.installer(2).exe

Technical Analysis

File Name zen.installer(2).exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Scanner Version 1.0.219.174
Database Version 2025-07-04 21:00:29 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
72,628,256
File Size (bytes)
2025-07-04
Analysis Date

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File Identification

Hash Type Value Action
MD5
7e62d915503951cbf0ffdc1d8fe525d9
SHA1
861d7ac2b5bb6c208d4ea8b010d0f1a9c363af56
SHA256
c954713a5dd754d44ee148749e9bafcc615d03e4c74afd7b9f017dc2e2f26880
SHA512
b7df176fcd345f70cc5bed377551f2086351e4cec31a8eb5c22dfd63aa98587e48f3e95936d570b6fac044efe3fb847888e029868a13d7c3a3180645f7fa21b9
ImpHash
05d3dce2be32df01ca249872dd2cc117

PE Analysis

Basic Information

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Icon
Hash: e57d8b6832f9f054d83aa0fa2762f932
Fuzzy: ddf36ee6805648340b0e294d6cea59a8
dHash: 61e4cd1df1f0f032
Image Base 0x00400000
Entry Point 0x00434fa0
Compilation Time 2018-08-30 22:18:33
Checksum 0x04544cda (Actual: 0x04544cda)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Digital Signature An error occurred while validating the countersignature: The root Certum Trusted Network CA 2 lists its extended key usages, but {'time_stamping'} are not present
Imports 2 libraries
KERNEL32, MSVCRT
Exports 0 functions
Resources 12 Resources
Sections 3 Sections

Version Information

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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 F502C06F322696BD2415945E1A8ABE52
.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

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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

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Certificate Information
Product Firefox
Description Firefox
File Version 18.05
Original Name 7zS.sfx.exe
Signing Date 01:32 PM 12/10/2024 (206 days ago)
Verification Status Signed
Signers Open Source Developer, OSCAR GONZALEZ MORENO; Certum Code Signing 2021 CA; Certum Trusted Network CA 2; Certum Trusted Network CA
Counter Signers Certum Timestamp 2023; Certum Timestamping 2021 CA; Certum Trusted Network CA 2; Certum Trusted Network CA
Internal Name 7zS.sfx
Copyright Mozilla
Certificate Chain Summary
Certum Trusted Network CA 2 #1 Primary
Validity Period: 2021-05-31 06:43:06 → 2029-09-17 06:43:06
Signature Algorithm: sha384RSA
Serial Number: 1B B5 8F 25 2A DF 23 00 49 28 C9 AE 3D 7E ED 27
Open Source Developer, OSCAR GONZALEZ MORENO #2 Chain
Validity Period: 2024-09-09 05:33:27 → 2025-09-09 05:33:26
Signature Algorithm: sha256RSA
Serial Number: 38 A4 53 47 A4 8F 7B EB 0D E1 D6 4E 1A A2 1B 10
Certum Timestamp 2023 #3 Chain
Validity Period: 2023-11-02 08:32:23 → 2034-10-30 08:32:23
Signature Algorithm: sha384RSA
Serial Number: 09 C5 CC F8 BB 66 7D 71 37 AA C1 59 80 06 CB 31
Certum Code Signing 2021 CA #4 Chain
Validity Period: 2021-05-19 05:32:18 → 2036-05-18 05:32:18
Signature Algorithm: sha384RSA
Serial Number: 99 A3 80 0A 26 55 3B 65 AB DC 6E 84 A6 B3 EA 39
Certum Timestamping 2021 CA #5 Chain
Validity Period: 2021-05-19 05:32:07 → 2036-05-18 05:32:07
Signature Algorithm: sha384RSA
Serial Number: E7 FF 69 C7 3B 35 CE 4B 91 26 D8 74 7C 68 A5 87

✓ 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

An error occurred while validating the countersignature: The root Certum Trusted Network CA 2 lists its extended key usages, but {'time_stamping'} are not present

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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