GridinSoft Threat Intelligence

UnrealCEFSubProcess.exe threat report

Detected as Trojan.Downloader File reputation report
MD5 355945e3737a94048633c690373fc3bd
Latest seen 2026-05-18 09:00:39 (3 days ago)
First seen 2026-05-18 09:00:39 (3 days ago)
Size 3 MB
Publisher Epic Games, Inc.
Product Unreal Engine

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Downloader. 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.Downloader
Recommended action
Scan and remove
Last analysis
2026-05-18 09:00:39 (3 days ago)
File hash
355945e3737a94048633c690373fc3bd
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Downloader.

Timeline

First seen 2026-05-18 09:00:39 (3 days ago); latest analysis 2026-05-18 09:00:39 (3 days ago).

Publisher context

Company metadata: Epic Games, Inc.. Product metadata: Unreal Engine.

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.

File context

UnrealCEFSubProcess.exe is a Windows file recorded in the ThreatInfo database. It is associated with Unreal Engine. The reported company name is Epic Games, Inc.. The current detection status is Trojan.Downloader, based on the latest analysis from 2026-05-18 09:00:39 (3 days ago).

If UnrealCEFSubProcess.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.Downloader.

File Details

Product Name: Unreal Engine
Company Name: Epic Games, Inc.
MD5: 355945e3737a94048633c690373fc3bd
Size: 3 MB
First Published: 2026-05-18 09:00:39 (3 days ago)
Latest Published: 2026-05-18 09:00:39 (3 days ago)
Status: Trojan.Downloader (on last analysis)
Analysis Date: 2026-05-18 09:00:39 (3 days ago)

Detection screenshot

UnrealCEFSubProcess.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:

%sysdrive%\0.4.5.1_deluded\engine\binaries

ThreatInfo has observed UnrealCEFSubProcess.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.

Geographic signal

Observed country distribution

ThreatInfo has seen UnrealCEFSubProcess.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Kazakhstan
Share 100.0%
Low High activity

The strongest geographic signal for this file is Kazakhstan 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:

Windows 10 100.0%

The most common operating system signal for UnrealCEFSubProcess.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

UnrealCEFSubProcess.exe 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.

Format pe
Architecture 64-bit
Subsystem Windows GUI
Entry point 0x004f1000
Image base 0x0000000140000000

PE Sections:

Sections 9
Raw data 3700736

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

.text 2451456 bytes · 66.2% of section data
MD5 ea1ac1dac139536469d8dc800e122c47
.rdata 1035776 bytes · 28.0% of section data
MD5 0f0ac3ada7beabfeb103b74e64d60e71
.data 46080 bytes · 1.2% of section data
MD5 fcc1bd373537b4340ea0881588e462f6
.pdata 132608 bytes · 3.6% of section data
MD5 481445d70f893fc07546926f74a003aa
.gfids 512 bytes · 0.0% of section data
Uncommon name
MD5 de479601a96b049b4cda5cc9a77e0d57
.tls 512 bytes · 0.0% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.rsrc 2048 bytes · 0.1% of section data
MD5 befa74f4c2ba9db0345d58cad28a8b31
.reloc 23552 bytes · 0.6% of section data
MD5 582595f03b427ec7a1fa093c47bdce70
.zero 8192 bytes · 0.2% of section data
Uncommon name
MD5 492b1d7b8461c989ef05c07cc409c822

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.Downloader

This report identifies UnrealCEFSubProcess.exe by MD5 355945e3737a94048633c690373fc3bd. 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 355945e3737a94048633c690373fc3bd.
  • 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.