GridinSoft Threat Intelligence

zCefAgent.exe threat report

Detected as Trojan.Heur! File reputation report
MD5 99a083dfa0a65a60821c915df47f8a61
Latest seen 2021-12-29 21:54:19 (4 years ago)
First seen 2021-12-29 21:54:19 (4 years ago)
Size 1 MB
Publisher Zoom Video Communications, Inc.
Product Zoom

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
Trojan.Heur!
Recommended action
Scan and remove
Last analysis
2021-12-29 21:54:19 (4 years ago)
File hash
99a083dfa0a65a60821c915df47f8a61
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Heur!, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2021-12-29 21:54:19 (4 years ago); latest analysis 2021-12-29 21:54:19 (4 years ago).

Publisher context

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

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. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Trojan category for related samples and common context.

File context

zCefAgent.exe 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 Trojan.Heur!, based on the latest analysis from 2021-12-29 21:54:19 (4 years ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If zCefAgent.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Heur!.

File Details

Product Name: Zoom
Company Name: Zoom Video Communications, Inc.
MD5: 99a083dfa0a65a60821c915df47f8a61
Size: 1 MB
First Published: 2021-12-29 21:54:19 (4 years ago)
Latest Published: 2021-12-29 21:54:19 (4 years ago)
Status: Trojan.Heur! (on last analysis)
Analysis Date: 2021-12-29 21:54:19 (4 years ago)

Detection screenshot

zCefAgent.exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Common Places:

%appdata%\zoom\data

ThreatInfo has observed zCefAgent.exe 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.

OS Version:

Windows 10 100.0%

The most common operating system signal for zCefAgent.exe 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

zCefAgent.exe is identified as pe for 32-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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x000ac950
Image base 0x00400000

PE Sections:

Sections 6
Raw data 2012672

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 914944 bytes · 45.5% of section data
MD5 80d44c69f125cc117031d1c14aa0894a
.rdata 301056 bytes · 15.0% of section data
MD5 d0217acf3aac50fb363dd9c1f5b2993b
.data 19968 bytes · 1.0% of section data
MD5 c421f9693d4757bd48b030b65db6e33b
.PROPSEC 4096 bytes · 0.2% of section data
Uncommon name
MD5 620f0b67a91f7f74151bc5be745b7110
.rsrc 133632 bytes · 6.6% of section data
MD5 2b6b1a1559f4cc65aad0653186c78f04
.reloc 638976 bytes · 31.7% of section data
MD5 42138306d413bcfb99ab86cf8f33e345

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

GridinSoft detects this file as Trojan.Heur!

This report identifies zCefAgent.exe by MD5 99a083dfa0a65a60821c915df47f8a61. It is part of the Trojan report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 99a083dfa0a65a60821c915df47f8a61.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.