Archive Module release notes

v7.5.2

Release date: 8/20/2025

Added support for new file types: AppImage, LZIP.
Support for extracting disk images without partitions in VMDK.
Support for extracting data after the end of the payload in Gzip and Tar.
New configuration option to handle extraction failures caused by "data after the end of payload."
Improved logic for detecting invalid file structures.
Improved logic for detecting timeout.
Enhance B3DM extraction.
Added support for Windows Server 2025 and Ubuntu 24.04.

v7.5.1

Release date: 7/23/2025

Support new file types: ASAR.
Enhance zip-based extraction to respect the encoding setting.
Upgrade WinRAR module to 7.11.
Support running an external command line to extract files.

v7.5

Release date: 6/25/2025

Support new file types: PYZ.
Improve Inno installer extraction:
- Support versions newer than 6.4.0.
- Fix failure extraction in some cases.
Upgrade .NET to version 8.
Drop support CentOS 7/RH 7/Debian 10/Ubuntu 20.

v7.4.2

Release date: 5/27/2025

Support new filetype extractions: VHDX, Inno Installer.
Support Amazon Linux 2023.

v7.4.1

Release date: 4/23/2025

Classify the archive failure categories be more meaningful:
- Separate "Others" with "Other extraction errors".
- Rename "General unextractable errors" to "Not extractable".
Support MDZIP extraction.
Enhance PEM extraction.

v7.4

Release date: 3/27/2025

Support configurations in workflow (requires MD Core 5.14.0)
Support extraction of new file types:
- PCAP with http, ftp, imap protocol.
- Multipart SMIME
- SCDOC
Stabilize PST compression.
Improve EML compression:
- Preserve entry names, attachment properties for TNEF attachments.
- Handle extraction of empty files.
Add a new configuration allowing content-type mismatching with EML email body.
Improve compression of archive files containing many child files.
Enhance MSG extraction.
Fix inconsistent behaviors for handling password protected files.

v7.3.2

Release date: 2/19/2025

Support YZ1 extraction.
Support extracting object attachments in TNEF extraction.
Support re-encoding Base64 files in compression.
Handle EML files with special characters in attachment filenames.
Fix incomplete MSG extraction and prevent adding random bytes to files.
Enhance extraction of P7M file with PEM format.

v7.3.1

Release date: 1/15/2025

Handle "object attachment" in TNEF file.
Resource optimization in case of extracting large ZLIB file.
Improve MSG compression method.
Improve MBX extraction.
Enhance "extract on error" with encrypted archive files.

v7.3

Release date: 12/18/2024

Support extracting concatenated ZIP, ZILB.
Support ISO-8859-8 charset attachment file name in EML.
Support Rocky Linux 9.4, Debian 12.
Enhance extracting password-protected files.
Improve for PST, MSG:
- Add tombstone files for blocked files.
- Improve compression feature.

v7.2.2

Release date: 11/21/2024

Support new file types: 3DML, NAR, Git Pack, NUPKG, SXC, SXD, SXF, SXI, SXM, SXW, STC, STD, STI, STW, HPWX, PBIT, PBIX, SHOW, SLDM, SLDX, VVSX, VSIX, PPAM.
Support UTF-8 password for ZIP.
Return more details about extraction errors.
Enhance PST sanitization.
Digitally sign all binary files.

v7.2.1

Release date: 10/8/2024

Support decoding base64 file.
Handle encoding in CAB extraction and compression.
Enhance CPIO extraction.

v7.2

Release date: 9/18/2024

Support new file types: TNEF, MBX, MHT, GPKG, B3DM, DWF and DWFX.
Support the APFS file system in DMG extraction.
Enhance canceling timed out extraction and cleaning up temp files in high load situation
Improve VMDK extraction by using less disk space and increasing speed.

v7.1.2

Release date: 8/19/2024

Fix high memory consumption when extracting MS Office files.

v7.1.1

Release date: 7/24/2024

Support VMDK and ZSTD extraction.
Enhance cancelation of extraction in high-load situations.
Fix EXE_SFX hang issue.

v7.1

Release date: 6/25/2024

Support new file types: RAW with HFS format and MS OLE.
Support GPG asymmetric keypair extraction (users must provide the GPG Home directory with all keys imported).
Support skipping extraction for selected file types.
Add a new configuration to allow extract on error.
Support Ubuntu 22.04.

v7.0.1

Release date: 4/10/2024

Fix SMINE extraction failures in some cases.

v7.0

Release date: 4/3/2024

Support RAW (with NTFS Format), git-bundle, RIBC, and SMINE extraction.
Enhance UTIB, TAR, and split Encase extraction.
Upgrade 7z to a newer version.
Upgrade the engine to .NET 6.

v6.5.3

Release date: 3/6/2024

Enhance EXE SFX file extraction.
Auto-handling entry name encoding (supported UTF-8 and SJIS).
Upgrade third-party libraries to resolve a vulnerability.

v6.5.2

Release date: 2/5/2024

Fix the temp file issue when extracting PST files.
Fix failures when extracting .DOSSZIE file.

v6.5.1

Release date: 1/16/2024

Enhance VHD extraction.

v6.5

Release date: 12/18/2023

Support new file types: e-dossier (ES3), System Center Configuration Manager Package Files (PCK)
Better handling big archive files.
Password protected PST file is handled properly.
Enhance temp file generation.

v6.4.1

Release date: 11/9/2023

Better handling EML file encoding in base64

v6.4

Release date: 9/27/2023

New configuration to preserve children filenames inside an archive file when creating a sanitized file
Support UUencoding (UU, UUE), Encase (E01) extraction

v6.3.2

Release date: 8/9/2023

Fixed the compression issue when creating a RAR file with Chinese file path

v6.3.1

Release date: 7/19/2023

Support extraction for non-standard VIB files

v6.3

Release date: 6/20/2023

Support CRX extraction
Return an attribute to identify whether a file is encrypted or not after decrypted (requires MetaDenfender Core 5.5.1+)
Improve logging
Enhance PST extraction and compression
Support hiding internal data for Archive sanitization

v6.2.3

Release date: 5/22/2023

Remove an unnecessary file (MSG.data) when extracting MSG files

v6.2.2

Release date: 4/25/2023

Improve SFX extraction performance
Support EXE_SFX decryption

v6.2.1

Release date: 3/29/2023

Fix performance degradation in MetaDefender Core 5.4.1+
Remove the UNC path in the PidLidReminderFileParameter when sanitizing a MSG file (CVE-2023-23397)

v6.2

Release date: 3/15/2023

Support extraction for new file types:
- XPI (Firefox extension)
- VTAR (VM Tar)
- GPT-styled VHD
- Split CAB
Preserve filename/folder name encoded with special encodings like Shift-JIS
Improve HFS extraction

v6.1.1

Release date: 2/13/2023

Support extraction for SPF
Fix engine failed to decrypt/encrypt MS Office, PST dues to long socket path

v6.1.0

Release date:1/11/2023

Support extraction for UTIB
Enhance extraction and compression of EML
Enhance extraction of Self-Extracting Executable files
Preserve symlinks in TAR compression

v6.0.2

Release date: 12/2/2022

Preserve MS Word/Excel format during decryption
Support retaining password for DOT, DOCM, DOTX, DOTM, XLT, XLSM, XLTX, XLTM, XLSB

v6.0.1

Release date: 10/27/2022

Enhance EML extraction
Support UTF-8 password when decryption PDF files
Support log level configuration
Support APK with Signature Scheme v2

v6.0

Release date: 10/5/2022

VC++ Redist 2017 is required
Dependency check when intializing the engine

v5.3.28

Release date: 9/7/2022

Add line breaks when writing base64 encoded data in EML

v5.3.27

Release date: 8/22/2022

Enhance password-protected decryption for Excel file

v5.3.26

Release date: 8/1/2022

Enhance PST, HFS extraction

v5.3.25

Release date: 6/29/2022

Handle password with special characters in PGP decryption

v5.3.24

Release date: 5/30/2022

Support non-ASCII password in PDF decryption
Support archive extraction with Copy method
Improve archive extraction on Linux

v5.3.23

Release date: 4/27/2022

Fix a bug that causes a failure when extracting a big TAR file
Support non-ASCII password in PDF decryption

v5.3.22

Release date: 3/28/2022

Support extracting password protected workbook/worksheet in Excel
Support extracting password protected POT, PPS, XLT

v5.3.21

Release date: 2/10/2022

Support ALZ, EGG encrypted extraction
Enhance service behavior when missing .NET Core
Support re-encrypt MS Office files on Linux

v5.3.20

Release date: 1/5/2022

Better timeout handling when recombine EML, MSG, PST
Fixed temp files left over after scanning
Enhance Power Point password decryption
Support Email Template (OFT) extraction

v5.3.19

Release date: 11/22/2021

Support EGG extraction
Improve VHD extraction
Support to extract PGP/GPG file with password (need to have preinstalled GnuPG)

v5.3.18

Release date: 9/29/2021

Support MS Office 2003 decryption
Support JMOD, MSIX, APPX file extraction
Improve temp file handling

v5.3.17

Release date: 8/17/2021

Support IPA, OST file format extraction
Fixed crashed issues when processing PST file.
Fixed EML issues: broken attachments after extracting, attachment file names are changed
Fixed MSG sanitization failure when attachment filenames contain special symbols

v5.3.16

Release date: 7/8/2021

Support X12EDI, TBWX file format extraction

v5.3.15

Release date: 6/3/2021

Improve the logic counting files before extracting
Improve cleanup mechanism

v5.3.14

Release date 4/27/2021

Better handling in case of exceeded archive file size
- A better error message
- Crash issue

v5.3.13

Release date: 4/8/2021

Fixed high CPU usage on Ubuntu

v5.3.12

Release date: 4/1/2021

Support password extraction for PST and MS Office files on Linux (require .NET Core to be installed)
Retain password protection for RAR
Improve DMG extraction on Linux