RtkApi64U.dll file report

MD5 1fbf7704fa1268b496c219daf50b052c
Latest seen 2021-03-31 20:54:15 (5 years ago)
First seen 2021-02-14 16:43:34 (5 years ago)
Size 835 KB
Product Realtek APO API

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-02-14 16:43:34 (5 years ago); latest analysis 2021-03-31 20:54:15 (5 years ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: Realtek APO API.

Digital signature

Signed by Realtek Semiconductor Corp.;Microsoft Windows Hardware Compatibility Publisher. 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. 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.

RtkApi64U.dll is a Windows file recorded in the ThreatInfo database. It is associated with Realtek APO API. The reported company name is Realtek Semiconductor Corp.. The current detection status is Undefined, based on the latest analysis from 2021-03-31 20:54:15 (5 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.

Product Name: Realtek APO API
Company Name: Realtek Semiconductor Corp.
MD5: 1fbf7704fa1268b496c219daf50b052c
Size: 835 KB
First Published: 2021-02-14 16:43:34 (5 years ago)
Latest Published: 2021-03-31 20:54:15 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-03-31 20:54:15 (5 years ago)

The signature on RtkApi64U.dll 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.

%commonappdata%\winzip\winzip driver updater\downloads\85
%commonappdata%\winzip\winzip driver updater\downloads\c219f4e4-1f18-4730-b8c7-8fb2b723a83e
%commonappdata%\winzip\winzip driver updater\downloads\85
%commonappdata%\winzip\winzip driver updater\downloads\c219f4e4-1f18-4730-b8c7-8fb2b723a83e
%commonappdata%\winzip\winzip driver updater\downloads\c219f4e4-1f18-4730-b8c7-8fb2b723a83e
%commonappdata%\winzip\winzip driver updater\downloads\85

ThreatInfo has observed RtkApi64U.dll 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.

100.0%

The strongest geographic signal for this file is United Kingdom with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for RtkApi64U.dll 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.

RtkApi64U.dll is identified as pe for 64 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000180000000
Entry Address: 0x0004e870

PE Sections:

Name Size of data MD5
.text 408576 70c2618bd6b227c4a9aa2c124d68678f
.rdata 212480 136348d6566b453ef2b5389dae46619e
.data 34304 15d084d6c4c85a11afea88c5a1317420
.pdata 27136 646e4e38eb6e435eebec551bf29c9837
.rsrc 136192 a511263cb376372e103146e9bf8f71df
.reloc 8192 609e88724327ef9ba63b19652ed24922

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.

More information: