GridinSoft Threat Intelligence

codex.exe threat report

Detected as Trojan.Heur! File reputation report
MD5 f64f2126e4752b2682373f63d645ea3e
Latest seen 2026-05-19 20:01:07 (a week ago)
First seen 2026-05-19 20:01:07 (a week ago)
Size 246 MB
Signed by OpenAI OpCo, LLC

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
2026-05-19 20:01:07 (a week ago)
File hash
f64f2126e4752b2682373f63d645ea3e
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 2026-05-19 20:01:07 (a week ago); latest analysis 2026-05-19 20:01:07 (a week ago).

Publisher context

Product metadata: codex-windows-sandbox.

Digital signature

Signed by OpenAI OpCo, LLC. 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. 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.

codex.exe is a Windows file recorded in the ThreatInfo database. It is associated with codex-windows-sandbox. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-05-19 20:01:07 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If codex.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!.

Product Name: codex-windows-sandbox
MD5: f64f2126e4752b2682373f63d645ea3e
Size: 246 MB
First Published: 2026-05-19 20:01:07 (a week ago)
Latest Published: 2026-05-19 20:01:07 (a week ago)
Status: Trojan.Heur! (on last analysis)
Analysis Date: 2026-05-19 20:01:07 (a week ago)
codex.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.

Signed By: OpenAI OpCo, LLC
Status: Valid

The signature on codex.exe 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%\windowsapps\openai.codex_26.429.3425.0_x64__2p2nqsd0c76g0\app

ThreatInfo has observed codex.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.

Windows 10 100.0%

The most common operating system signal for codex.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.

codex.exe is identified as pe for 64-bit 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.

Format pe
Architecture 64-bit
Subsystem Windows CUI
Entry point 0x0b69b04c
Image base 0x0000000140000000

PE Sections:

Sections 7
Raw data 258010624

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

.text 194816512 bytes · 75.5% of section data
Large raw data
MD5 426447bf03273c96a3c23d8fe51feede
malloc_h 512 bytes · 0.0% of section data
Uncommon name
MD5 b00dd17b342074ae163a498a2663c1bc
.rdata 55042048 bytes · 21.3% of section data
Large raw data
MD5 5505a260411fae21f8a0d802238473bb
.data 395776 bytes · 0.2% of section data
MD5 274e9befd1256690ea2062c1945fc40f
.pdata 7266304 bytes · 2.8% of section data
Large raw data
MD5 bfd84af01dba367de4d469ea06aecdc9
.rsrc 1536 bytes · 0.0% of section data
MD5 bafd3f0f9da05619f96bb33dd9f77882
.reloc 487936 bytes · 0.2% of section data
MD5 52627b96eebbefb3af7bc436db2c7c67

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 codex.exe by MD5 f64f2126e4752b2682373f63d645ea3e. 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 f64f2126e4752b2682373f63d645ea3e.
  • 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.