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The RarExt.dll (WinRAR shell extension) File Analysis

Updated 1 month ago
Checked by Malaware Check
RarExt.dll

Technical Analysis

File Name RarExt.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.214.174
Database Version 2025-04-16 09:00:16 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
648,848
File Size (bytes)
2025-04-16
Analysis Date

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File Identification

Hash Type Value Action
MD5
385b5a429a9133daf96c676b769b0a05
SHA1
5b7eb76db8017943e388ab070c0b4638bda3ed93
SHA256
b302c15843dba67024d04dad0780076ae112114aee01577df0d9ffc3f5e74b3c
SHA512
b2c99340fba52ab70cd05eaee1b07a1bd6a9fe2076426b5dafab583d39b7f95e32926116de4d29891ca2b4f27d3351200a7dbeab49a10755d7c1ab20303450f4
ImpHash
6a40a1b36f6faf42c844e19679232647

PE Analysis

Basic Information

▼
Icon
Hash: b3f0266a9874e070b3ec855645687948
Fuzzy: 33d9200afee9550e4e551841fda604a1
dHash: b233333a6b3a3230
Image Base 0x180000000
Entry Point 0x18000ea10
Compilation Time 2025-03-20 10:00:44
Checksum 0x000a7f39 (Actual: 0x000a7f39)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
PDB Path D:\Projects\WinRAR\RarExt\build\64\Release\rarext.pdb
Digital Signature OK
Imports 10 libraries
KERNEL32, USER32, GDI32, ADVAPI32, SHELL32, ole32, OLEAUT32, SHLWAPI, COMCTL32, MSIMG32
Exports 2 functions
Resources 21 Resources
Sections 6 Sections

Version Information

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ProductName WinRAR
CompanyName Alexander Roshal
FileDescription WinRAR shell extension
FileVersion 7.11.0
ProductVersion 7.11.0
InternalName WinRAR shell extension
LegalCopyright Copyright © Alexander Roshal 1993-2025
OriginalFilename RarExt.dll
Translation 0x0409 0x04e4

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 408,670 bytes 409,088 bytes 6.40 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 601C299FBFFA288C8244655DAE968CA2
.rdata 0x00065000 94,144 bytes 94,208 bytes 5.19 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ DAA627A5801E256853FB6FA494BC4BAB
.data 0x0007c000 65,156 bytes 5,120 bytes 2.89 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 21F90B5E7F312E11137697350236D283
.pdata 0x0008c000 24,408 bytes 24,576 bytes 5.58 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 800175A55768581776072A2FEA9796B0
.rsrc 0x00092000 101,328 bytes 101,376 bytes 7.47 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 9F22688FB8F3928A6997CB6963C4FF64
.reloc 0x000ab000 2,836 bytes 3,072 bytes 5.27 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 65F6435F5452C16747E32B04EAF7320C
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 21 (100,046 bytes)
Resource Type Count Total Size Percentage
RT_BITMAP 1 1,272 bytes
1.3%
RT_ICON 11 94,367 bytes
94.3%
RT_DIALOG 2 1,668 bytes
1.7%
RT_STRING 4 1,414 bytes
1.4%
RT_GROUP_ICON 1 160 bytes
0.2%
RT_VERSION 1 784 bytes
0.8%
RT_MANIFEST 1 381 bytes
0.4%

Certificate Chain Analysis

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Certificate Information
Product WinRAR
Description WinRAR shell extension
File Version 7.11.0
Original Name RarExt.dll
Signing Date 10:01 AM 03/20/2025 (79 days ago)
Verification Status Signed
Signers win.rar GmbH; DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1; DigiCert Trusted Root G4; DigiCert
Counter Signers DigiCert Timestamp 2024; DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA; DigiCert Trusted Root G4; DigiCert
Internal Name WinRAR shell extension
Copyright Copyright © Alexander Roshal 1993-2025
Certificate Chain Summary
DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 #1 Primary
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
win.rar GmbH #2 Chain
Validity Period: 2023-08-08 00:00:00 → 2026-08-07 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 04 8B 08 39 9E C7 03 62 3C 72 CD 20 77 AD 65 D9
DigiCert Timestamp 2024 #3 Chain
Validity Period: 2024-09-26 00:00:00 → 2035-11-25 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 0B AE 66 BC 5A BA 7F 95 87 C6 F9 E9 04 E3 33 04
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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