GridinSoft Threat Intelligence

A0017021.dll file report

Under review File reputation report
MD5 343370cf7ecb124c03d1d7459692a9d6
Latest seen 2022-04-18 23:18:50 (4 years ago)
First seen 2017-05-24 15:07:03 (8 years ago)
Size 64 KB
Publisher Open Source Software community project
Signed by Tencent Technology(Shenzhen) Company Limited

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-24 15:07:03 (8 years ago); latest analysis 2022-04-18 23:18:50 (4 years ago).

Publisher context

Company metadata: Open Source Software community project.

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.

File context

A0017021.dll is a Windows file recorded in the ThreatInfo database. The reported company name is Open Source Software community project. The current detection status is Undefined, based on the latest analysis from 2022-04-18 23:18:50 (4 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

Company Name: Open Source Software community project
MD5: 343370cf7ecb124c03d1d7459692a9d6
Size: 64 KB
First Published: 2017-05-24 15:07:03 (8 years ago)
Latest Published: 2022-04-18 23:18:50 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-04-18 23:18:50 (4 years ago)

Overview

Signed By: Tencent Technology(Shenzhen) Company Limited
Status: Valid

The signature on A0017021.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.

Common Places:

%programfiles%\tencent\qqplayer
%sysdrive%\adwcleaner\quarantine\files\rmxibktlhfugmsknbkuztszxgbbcwnwm\qqplayer
%programfiles%\nba2k online\cross\apps\nbapp\videoeditor\bin
%programfiles%\lol\lol\lol\ó¢ðûáªãë\cross\apps\lculqt\gameplus\bin
%programfiles%\lol\lol\lol\ó¢ðûáªãë\cross\apps\lqt\gameplus\bin
%sysdrive%\adwcleaner\quarantine\ameajswfch\冒险岛2\client\webbrowser\bin
%sysdrive%\adwcleaner\quarantine\ameajswfch\冒险岛2\client\cross\apps\vesdk\bin
%programfiles%\tencentgame\lol\cross\apps\lculqt\gameplus\bin
%programfiles%\tencent\qtalk\v4.6.35\bin
%sysdrive%\adwcleaner\quarantine\files\npbpvcznlgojkyxbqyqhfkimiqjfqzqi\qqplayer

ThreatInfo has observed A0017021.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.

File Names:

2 observed names
pthreadGC2.dll A0017021.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.

Geography:

44 observed countries
44.4%
10.1%
9.9%
4.8%
3.6%
2.8%
2.4%
2.0%
2.0%
2.0%
1.8%
1.4%
1.2%
1.2%
0.8%
0.8%
0.8%
0.6%
0.6%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%

The strongest geographic signal for this file is Egypt with 44.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 43.6%
Windows 10 31.5%
Windows XP 14.7%
Windows 8.1 9.3%
Windows 8 0.6%
Windows Server 2012 R2 0.2%
Windows Vista 0.2%

The most common operating system signal for A0017021.dll is Windows 7 with 43.6% 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

A0017021.dll 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 0x00001000
Image base 0x60d50000

PE Sections:

Sections 7
Raw data 35328

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

.text 26112 bytes · 73.9% of section data
MD5 3c80c7ca2c8ec982d0a9b96abfb0b808
.data 512 bytes · 1.4% of section data
MD5 29252d817b8e7ea058b20de85c4fc0c2
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.edata 4096 bytes · 11.6% of section data
MD5 c32f390820296b903bcd4cd4dc7c73d7
.idata 2048 bytes · 5.8% of section data
MD5 b9ed60dd99e8b0fc690ba1a571ce0a22
.rsrc 1536 bytes · 4.3% of section data
MD5 00e000633c022f254d0ed987ad7cdaa4
.reloc 1024 bytes · 2.9% of section data
MD5 c97416df11bea9971a574a9ea7b943d6

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 343370cf7ecb124c03d1d7459692a9d6.
  • 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.