zzhost.dll file report

MD5 845ef35bd522bf99c095c82b73b5f268
Latest seen 2023-12-27 23:48:40 (2 years ago)
First seen 2023-12-27 23:48:40 (2 years ago)
Size 187 KB
Product Zoom

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2023-12-27 23:48:40 (2 years ago); latest analysis 2023-12-27 23:48:40 (2 years ago).

Publisher context

Company metadata: Zoom Video Communications, Inc.. Product metadata: Zoom.

Digital signature

Signed by Zoom Video Communications, 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.

zzhost.dll is a Windows file recorded in the ThreatInfo database. It is associated with Zoom. The reported company name is Zoom Video Communications, Inc.. The current detection status is Undefined, based on the latest analysis from 2023-12-27 23:48:40 (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: Zoom
Company Name: Zoom Video Communications, Inc.
MD5: 845ef35bd522bf99c095c82b73b5f268
Size: 187 KB
First Published: 2023-12-27 23:48:40 (2 years ago)
Latest Published: 2023-12-27 23:48:40 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-12-27 23:48:40 (2 years ago)
Signed By: Zoom Video Communications, Inc.
Status: Valid

The signature on zzhost.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.

%appdata%\zoom

ThreatInfo has observed zzhost.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.

100.0%

The strongest geographic signal for this file is United States with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 8 100.0%

The most common operating system signal for zzhost.dll is Windows 8 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.

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

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x00011fb0

PE Sections:

Name Size of data MD5
.text 76800 3d0054dbf0a1f0481d4579f70714566e
.rdata 27136 e9b371c100a2933a353d76a5a396ed8d
.data 65024 3d6a569bd64985a8d9ec5091c868cf75
.rsrc 1536 a6939a262ec04c6c13fc3b78a5b16f07
.reloc 5120 bc827cc8cb2ccbb657421d9c03f4c8ca

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: