GridinSoft Threat Intelligence

ew_hwupgrade.sys file report

Under review File reputation report
MD5 cacbdf30051dfb383e24b3e731d82bde
Latest seen 2024-08-14 23:01:46 (2 years ago)
First seen 2017-07-04 02:10:37 (8 years ago)
Size 21 KB
Publisher Huawei Technologies Co., Ltd.
Product Windows (R) Codename Longhorn DDK driver

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-07-04 02:10:37 (8 years ago); latest analysis 2024-08-14 23:01:46 (2 years ago).

Publisher context

Company metadata: Huawei Technologies Co., Ltd.. Product metadata: Windows (R) Codename Longhorn DDK driver.

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. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

File context

ew_hwupgrade.sys is a Windows file recorded in the ThreatInfo database. It is associated with Windows (R) Codename Longhorn DDK driver. The reported company name is Huawei Technologies Co., Ltd.. The current detection status is Undefined, based on the latest analysis from 2024-08-14 23:01:46 (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: Windows (R) Codename Longhorn DDK driver
Company Name: Huawei Technologies Co., Ltd.
MD5: cacbdf30051dfb383e24b3e731d82bde
Size: 21 KB
First Published: 2017-07-04 02:10:37 (8 years ago)
Latest Published: 2024-08-14 23:01:46 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-08-14 23:01:46 (2 years ago)

Common Places:

%programfiles%\claro\driver\driver\x64
%programfiles%\claro\driver\driver
%programfiles%\tattoo\driver\driver

ThreatInfo has observed ew_hwupgrade.sys 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 ew_hwupgrade.sys across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Brazil
Share 82.6%
Low High activity

The strongest geographic signal for this file is Brazil with 82.6% 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 43.5%
Windows 7 30.4%
Windows 8.1 26.1%

The most common operating system signal for ew_hwupgrade.sys is Windows 10 with 43.5% 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

ew_hwupgrade.sys is identified as pe for 64-bit systems. The subsystem is Native. 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 Native
Entry point 0x00001e08
Image base 0x0000000000010000

PE Sections:

Sections 8
Raw data 20992

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

.text 6656 bytes · 31.7% of section data
MD5 d7d6d9441f901c54c61208f03fa0dc88
.rdata 1024 bytes · 4.9% of section data
MD5 26d572e709d4b0023623eaadf348cac7
.data 512 bytes · 2.4% of section data
MD5 cf52ce5981766be69fe76ad419033bbf
.pdata 512 bytes · 2.4% of section data
MD5 384ef514d162cc0cde1f2963a2b17720
PAGE 9216 bytes · 43.9% of section data
Uncommon name
MD5 779eb85fc719b4182739b55be7b250da
INIT 1536 bytes · 7.3% of section data
Uncommon name
MD5 933a278bb16b50ac29b17e9d9a2838b4
.rsrc 1024 bytes · 4.9% of section data
MD5 08a8b4ef71739c2088f036bed4be9f1e
.reloc 512 bytes · 2.4% of section data
MD5 b8dd43138749f4ef8046bf235d807f4c

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with cacbdf30051dfb383e24b3e731d82bde.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.