RTLCPAPI.dll file report

MD5 b77428927fd9ee7a4a0fab2d7e7dd9ee
Latest seen 2025-02-06 23:06:06 (a year ago)
First seen 2025-02-06 23:06:06 (a year ago)
Size 144 KB
Product RtlCPAPI Module

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-02-06 23:06:06 (a year ago); latest analysis 2025-02-06 23:06:06 (a year ago).

Publisher context

Company metadata: Realtek Semiconductor Corp.. Product metadata: RtlCPAPI Module.

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.

RTLCPAPI.dll is a Windows file recorded in the ThreatInfo database. It is associated with RtlCPAPI Module. The reported company name is Realtek Semiconductor Corp.. The current detection status is Undefined, based on the latest analysis from 2025-02-06 23:06:06 (a year 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: RtlCPAPI Module
Company Name: Realtek Semiconductor Corp.
MD5: b77428927fd9ee7a4a0fab2d7e7dd9ee
Size: 144 KB
First Published: 2025-02-06 23:06:06 (a year ago)
Latest Published: 2025-02-06 23:06:06 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-06 23:06:06 (a year ago)

The signature on RTLCPAPI.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%\pc helpsoft driver updater\drivers

ThreatInfo has observed RTLCPAPI.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 Chile 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 7 100.0%

The most common operating system signal for RTLCPAPI.dll is Windows 7 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.

RTLCPAPI.dll is identified as pe for 32 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: 32
Image Base: 0x10000000
Entry Address: 0x00008372

PE Sections:

Name Size of data MD5
.text 77824 c2b688402f92e243aabea34c1da368e0
.rdata 20480 294a2ba0d0a2bf56a7bcf21aa21631ca
.data 8192 5789cec87c9104f551a1c596146f26c6
.rsrc 8192 013d8734bea0875509db50ca7cea75b8
.reloc 12288 5ca903fec2f0ff8cccbd27976ffef7c4

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: