GridinSoft Threat Intelligence

CD86.exe threat report

Detected as Trojan.Agent File reputation report
MD5 4ecb4fd37a47ccf14c30fcd09762950e
Latest seen 2021-08-28 20:40:55 (4 years ago)
First seen 2021-08-28 20:40:55 (4 years ago)
Size 3 MB
Publisher Realtek Semiconductor Corp.
Product Realtek HD Auido Update and remove driver Tool
Signed by Corel Corporation

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Agent. 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.Agent
Recommended action
Scan and remove
Last analysis
2021-08-28 20:40:55 (4 years ago)
File hash
4ecb4fd37a47ccf14c30fcd09762950e
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Agent.

Timeline

First seen 2021-08-28 20:40:55 (4 years ago); latest analysis 2021-08-28 20:40:55 (4 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: Realtek HD Auido Update and remove driver Tool.

Digital signature

Signed by Corel Corporation. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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

CD86.exe is a Windows file recorded in the ThreatInfo database. It is associated with Realtek HD Auido Update and remove driver Tool. The reported company name is Realtek Semiconductor Corp.. The current detection status is Trojan.Agent, based on the latest analysis from 2021-08-28 20:40:55 (4 years ago).

If CD86.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.Agent.

File Details

Product Name: Realtek HD Auido Update and remove driver Tool
Company Name: Realtek Semiconductor Corp.
MD5: 4ecb4fd37a47ccf14c30fcd09762950e
Size: 3 MB
First Published: 2021-08-28 20:40:55 (4 years ago)
Latest Published: 2021-08-28 20:40:55 (4 years ago)
Status: Trojan.Agent (on last analysis)
Analysis Date: 2021-08-28 20:40:55 (4 years ago)

Detection screenshot

CD86.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.

Overview

Signed By: Corel Corporation
Status: Invalid (digital signature could be stolen or file could be patched)

The signature on CD86.exe is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.

Common Places:

%temp%

ThreatInfo has observed CD86.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 CD86.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Botswana
Share 100.0%
Low High activity

The strongest geographic signal for this file is Botswana 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 CD86.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

CD86.exe is identified as pe for 32-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 32-bit
Subsystem Windows CUI
Entry point 0x005a2fc8
Image base 0x00400000

PE Sections:

Sections 13
Raw data 3389440

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

98304 bytes · 2.9% of section data
Uncommon name
MD5 667c57872294a64a1c3e42c8b853c4da
2048 bytes · 0.1% of section data
Uncommon name
MD5 90f8abf142a0133d91fa96d9da474a9d
75264 bytes · 2.2% of section data
Uncommon name
MD5 3c89b7b8fcab3dbe0403ba61c5d9f337
512 bytes · 0.0% of section data
Uncommon name
MD5 72fe2694215d1ca1958d2c11d98738dc
.idata 512 bytes · 0.0% of section data
MD5 346e752dc932accf84c1b18841c6b566
} ( UK ð 118272 bytes · 3.5% of section data
Uncommon name
MD5 4bac25b9e5b8a799be841c7f65236fc5
.themida 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.boot 2966016 bytes · 87.5% of section data
Uncommon name
MD5 4e2492b02fa8ce771e43a6cb1d50f8c4
} ( UK ð 2560 bytes · 0.1% of section data
Uncommon name
MD5 13b86a91004cf224509455f49a8291a5
} ( UK ð 2560 bytes · 0.1% of section data
Uncommon name
MD5 8332c121ffcfe35c0fadd52e6b35788f
} ( UK ð 2560 bytes · 0.1% of section data
Uncommon name
MD5 e7fc2c7bb501c225ed3ac5ec488da6b9
} ( UK ð 2560 bytes · 0.1% of section data
Uncommon name
MD5 1a62a51d23c4098f844da17888ff7600
.rsrc 118272 bytes · 3.5% of section data
MD5 92e2a3737c9af8a5984b12be213f8293

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.Agent

This report identifies CD86.exe by MD5 4ecb4fd37a47ccf14c30fcd09762950e. 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 4ecb4fd37a47ccf14c30fcd09762950e.
  • 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.