Information about pta.dll

pta.dll

pta.dll is a Windows file recorded in the ThreatInfo database. It is associated with Personal Trust Agent, PTA. The reported company name is iTruschina Co., Ltd.. The current detection status is Undefined, based on the latest analysis from 2026-03-29 23:01:21 (a month 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: Personal Trust Agent, PTA
Company Name: iTruschina Co., Ltd.
MD5: 559a0e1a09ccd16c0518901a6c9ed0ad
Size: 137 KB
First Published: 2017-05-21 04:03:16 (8 years ago)
Latest Published: 2026-03-29 23:01:21 (a month ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-03-29 23:01:21 (a month ago)
Signed By: iTrusChina Co.,Ltd.
Status: Valid

The signature on pta.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.

%appdata%\360se6\application\6.3.1.150\plugins
%appdata%\360se6\application\8.1.1.158\plugins
%appdata%\360se6\application\8.1.1.256\plugins
%appdata%\360se6\application\8.2.1.348\plugins
%localappdata%\360chrome\chrome\application\9.0.1.120\plugins
%appdata%\360se6\application\8.1.1.406\plugins
%appdata%\360se6\application\9.1.0.318\plugins
%appdata%\360se6\application\9.2.0.106\plugins
%appdata%\360se6\application\9.1.0.338\plugins
%appdata%\360se6\application\8.1.1.210\plugins

ThreatInfo has observed pta.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.

42.4%
17.8%
9.8%
4.8%
3.5%
2.9%
2.7%
2.5%
2.5%
2.2%
1.7%
1.0%
0.9%
0.6%
0.6%
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0.4%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.1%
0.1%
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0.1%
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0.1%
0.1%

The strongest geographic signal for this file is China with 42.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 56.5%
Windows 7 22.2%
Windows Server 2012 R2 8.0%
Windows Server 2008 R2 5.4%
Windows XP 2.9%
Windows 8.1 2.8%
Windows Server 2012 1.0%
Windows Server 2003 0.7%
Windows 8 0.3%
Windows Server 2016 0.3%

The most common operating system signal for pta.dll is Windows 10 with 56.5% 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.

pta.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: 0x000119ab

PE Sections:

Name Size of data MD5
.text 73728 bd45e801b25f51bf339aec92b2f3cbb3
.rdata 12288 e735e50cf7257857ef47bb01887be104
.data 16384 c492d8397d71e458f2d6a1f6da9820e6
.rsrc 20480 a32c0e281f7d0a2cc053453001babbea
.reloc 8192 3c6e77a45d2e7ea8a9b1cc85f7ebc922

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: