Ionic.Zip.dll file report

MD5 d173b0e2e199907c0e2a242775189ea3
Latest seen 2023-11-21 23:52:55 (2 years ago)
First seen 2020-09-24 07:50:07 (5 years ago)
Size 465 KB
Publisher Dino Chiesa

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-09-24 07:50:07 (5 years ago); latest analysis 2023-11-21 23:52:55 (2 years ago).

Publisher context

Company metadata: Dino Chiesa. Product metadata: DotNetZip Library.

Digital signature

Signed by LAVASOFT SOFTWARE CANADA INC. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

Ionic.Zip.dll is a Windows file recorded in the ThreatInfo database. It is associated with DotNetZip Library. The reported company name is Dino Chiesa. The current detection status is Undefined, based on the latest analysis from 2023-11-21 23:52:55 (2 years ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

Product Name: DotNetZip Library
Company Name: Dino Chiesa
MD5: d173b0e2e199907c0e2a242775189ea3
Size: 465 KB
First Published: 2020-09-24 07:50:07 (5 years ago)
Latest Published: 2023-11-21 23:52:55 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-11-21 23:52:55 (2 years ago)
Signed By: LAVASOFT SOFTWARE CANADA INC
Status: Valid

The signature on Ionic.Zip.dll is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion
%programfiles%\lavasoft\web companion

ThreatInfo has observed Ionic.Zip.dll in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

36.4%
9.1%
9.1%
9.1%
9.1%
9.1%
9.1%
9.1%

The strongest geographic signal for this file is United States with 36.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for Ionic.Zip.dll is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Ionic.Zip.dll is identified as pe for 32 systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Subsystem: Windows CUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x0007234e

.NET Info:

MVID: bbd9aba3-3797-4e5d-b8c5-a361e0f7ec0c
Typelib ID: dfd2b1f6-e3be-43d1-9b43-11aae1e901d8

PE Sections:

Name Size of data MD5
.text 459776 29c684e27896ebba813fd4410d84e2d5
.rsrc 1536 76dcd638b32004bc8d2f24889252aedc
.reloc 512 1e7130199fcf3ad11b88a4e83ab8b27f

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

More information: