arkIOStub_1.dll file report

MD5 76d33a2f281747bc993fa4c58cb8c38f
Latest seen 2021-01-05 07:46:43 (5 years ago)
First seen 2017-05-22 02:09:45 (8 years ago)
Size 16 KB
Publisher Tencent
Product QQ2013

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-22 02:09:45 (8 years ago); latest analysis 2021-01-05 07:46:43 (5 years ago).

Publisher context

Company metadata: Tencent. Product metadata: QQ2013.

Digital signature

Signed by Tencent Technology(Shenzhen) Company Limited. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

arkIOStub_1.dll is a Windows file recorded in the ThreatInfo database. It is associated with QQ2013. The reported company name is Tencent. The current detection status is Undefined, based on the latest analysis from 2021-01-05 07:46:43 (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: QQ2013
Company Name: Tencent
MD5: 76d33a2f281747bc993fa4c58cb8c38f
Size: 16 KB
First Published: 2017-05-22 02:09:45 (8 years ago)
Latest Published: 2021-01-05 07:46:43 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-05 07:46:43 (5 years ago)

The signature on arkIOStub_1.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.

%programfiles%\tencent\qqintl\bin
%sysdrive%\$recycle.bin\s-1-5-21-2491352167-2045350392-124464533-1000\$rloayc5\qqintl\bin
%sysdrive%\adwcleaner\quarantine\files\fwsvmvawmbjournmtjhkmtnvyqdkdeog\qqintl\bin
%programfiles%\tencent\bin
%programfiles%\tencent\qqintl
%sysdrive%\adwcleaner\quarantine\fraqbc8wsa\qqintl
%programfiles%
%programfiles%\tencent\qqintl
%programfiles%\tencent\qqintl
%programfiles%\tencent\qqintl

ThreatInfo has observed arkIOStub_1.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.

arkIOStub.dll
arkIOStub_1.dll

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

27.4%
10.1%
8.3%
7.6%
5.8%
4.0%
2.9%
2.9%
2.5%
2.5%
2.2%
1.8%
1.8%
1.4%
1.4%
1.4%
1.4%
1.4%
1.1%
1.1%
1.1%
1.1%
0.7%
0.7%
0.7%
0.7%
0.7%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%

The strongest geographic signal for this file is Taiwan with 27.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 59.1%
Windows 7 26.0%
Windows 8.1 13.2%
Windows XP 0.7%
Windows 8 0.4%
Windows Server 2012 R2 0.4%
Windows Embedded 8.1 0.4%

The most common operating system signal for arkIOStub_1.dll is Windows 10 with 59.1% 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.

arkIOStub_1.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: 0x00001505

PE Sections:

Name Size of data MD5
.text 3072 9cd9555750d8889abf0177b690263861
.rdata 2048 e6f06cf1f1c5ca581c7fa19a7cfe4ae5
.data 512 b80430b90e6e9b0b75de6facc48de8ec
.rsrc 1536 f3fce60cf33af9e187e8f93543aed2e8
.reloc 512 677ed86600a868dc13066ba935ab3db5

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: