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The decoder.dll (LZMA decoder module) File Analysis

Updated 4 days ago
Checked by Malware Check
decoder.dll

Technical Analysis

File Name decoder.dll
File Type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.221.174
Database Version 2025-07-28 19:00:35 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
220,576
File Size (bytes)
2025-07-28
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
7117e33f9b1dc041b477060f8f8c3a0c
SHA1
97fbcb6676bfb43d36701805c86eac3567f61bca
SHA256
a350f06808b517dd2b7f363dca6119c072d08d1677e379ce48267bc7d95f1517
SHA512
31f484d210e575dc8f522d1b3c16d2a77601be172287d8f7ff009a5700820e028c9c1366d543872edaec002a7e2e5fe5880ad303cde8d28a60fe0359db4307fe
ImpHash
73442c504f7abbf19b8e59379312ff94

PE Analysis

Basic Information

▼
Image Base 0x10000000
Entry Point 0x10018f4f
Compilation Time 2022-09-14 15:01:55
Checksum 0x000426fb (Actual: 0x000426fb)
OS Version 6.0
PEiD Signatures PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
PDB Path C:\ReleaseAI\win\Release\stubs\x86\Decoder.pdb
Digital Signature OK
Imports 2 libraries
KERNEL32, OLEAUT32
Exports 4 functions
Resources 2 Resources
Sections 5 Sections

Version Information

▼
CompanyName Caphyon LTD
FileDescription LZMA decoder module
FileVersion 19.9.0.0
InternalName Decoder.dll
LegalCopyright (c) Caphyon LTD. All rights reserved.
OriginalFilename Decoder.dll
ProductName Advanced Installer
ProductVersion 19.9.0.0
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 156,524 bytes 156,672 bytes 6.58 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 04745664A5F85B41AE66754BB0B490FC
.rdata 0x00028000 40,770 bytes 40,960 bytes 4.86 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 964E11BF6DBBA2BBDB3A28D8841F1EF6
.data 0x00032000 22,084 bytes 2,560 bytes 2.67 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE DD7055D5164A7B2758436760A3653196
.rsrc 0x00038000 1,312 bytes 1,536 bytes 3.73 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 87945110FB0DF05A80664DE8A041532A
.reloc 0x00039000 8,308 bytes 8,704 bytes 6.44 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 2A816576F87297E450C9B657B333621C
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 2 (1,149 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 768 bytes
66.8%
RT_MANIFEST 1 381 bytes
33.2%

Certificate Chain Analysis

▼
Certificate Information
Product Advanced Installer
Description LZMA decoder module
File Version 19.9.0.0
Original Name Decoder.dll
Signing Date 03:23 PM 09/14/2022 (1052 days ago)
Verification Status Signed
Signers Caphyon SRL; thawte SHA256 Code Signing CA; thawte
Counter Signers DigiCert Timestamp 2022 - 2; DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA; DigiCert Trusted Root G4; DigiCert
Internal Name Decoder.dll
Copyright (c) Caphyon LTD. All rights reserved.
Certificate Chain Summary
thawte SHA256 Code Signing CA #1 Primary
Validity Period: 2013-12-10 00:00:00 → 2023-12-09 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 71 A0 B7 36 95 DD B1 AF C2 3B 2B 9A 18 EE 54 CB
Caphyon SRL #2 Chain
Validity Period: 2020-03-06 00:00:00 → 2023-03-05 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 79 7D 59 66 04 91 55 BE BF 38 3F FB 0B E3 29 10
DigiCert Timestamp 2022 - 2 #3 Chain
Validity Period: 2022-03-29 00:00:00 → 2033-03-14 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0A 7A 4A 88 9E C9 99 42 90 06 63 38 4D 86 97 9D
DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA #4 Chain
Validity Period: 2022-03-23 00:00:00 → 2037-03-22 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 07 36 37 B7 24 54 7C D8 47 AC FD 28 66 2A 5E 5B
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

✓ 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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