GridinSoft Threat Intelligence
zzhost.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2023-12-28 23:23:40 (2 years ago); latest analysis 2023-12-28 23:23:40 (2 years ago).
Company metadata: Zoom Video Communications, Inc.. Product metadata: Zoom.
Signed by Zoom Video Communications, Inc.. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
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 2023-12-28 23:23:40 (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.
File Details
| Product Name: | Zoom |
| Company Name: | Zoom Video Communications, Inc. |
| MD5: | 00ad3df444d54480ea128a20532fe697 |
| Size: | 304 KB |
| First Published: | 2023-12-28 23:23:40 (2 years ago) |
| Latest Published: | 2023-12-28 23:23:40 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-12-28 23:23:40 (2 years ago) |
Overview
| 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.
Common Places:
| %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.
Geography:
1 observed countriesThe strongest geographic signal for this file is Israel with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for zzhost.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.
Analysis
zzhost.dll is identified as pe for 64-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
2ba022519657ca6d8a7f357d8948985e
fcbbfc8c6c3209ad2612420981d19ed1
27e203470443f87dd45d89f5ca53727e
6d4c14abb3f96639b7593df5025d93ce
4a9906566f4e53c40320f9bd6f095cf2
6b80c070c22ceb573deb70e9d1f6f6e1
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.
Report conclusion
This file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.