OptimizeTool.dll threat report

MD5 3fbc026ed2a4df25c429fb21b5a01c53
Latest seen 2022-07-15 23:53:19 (3 years ago)
First seen 2018-12-06 13:03:33 (7 years ago)
Size 1 MB
Publisher 2345移动科技

This report summarizes the file identity, detection status, publisher metadata, observed locations, and technical indicators for OptimizeTool.dll. ThreatInfo currently classifies this sample as PUP.ChinAd.

GridinSoft Anti-Malware detection

GridinSoft already detects this file

The latest ThreatInfo record shows OptimizeTool.dll detected as PUP.ChinAd. You can download GridinSoft Anti-Malware to scan the system and remove this detection if the file is present on your device.

Detection name
PUP.ChinAd
Last analysis
2022-07-15 23:53:19 (3 years ago)
File hash
3fbc026ed2a4df25c429fb21b5a01c53
Download Anti-Malware

OptimizeTool.dll is a Windows file recorded in the ThreatInfo database. It is associated with 2345加速浏览器上网加速模块. The reported company name is 2345移动科技. The current detection status is PUP.ChinAd, based on the latest analysis from 2022-07-15 23:53:19 (3 years ago).

If OptimizeTool.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as PUP.ChinAd.

Product Name: 2345加速浏览器上网加速模块
Company Name: 2345移动科技
MD5: 3fbc026ed2a4df25c429fb21b5a01c53
Size: 1 MB
First Published: 2018-12-06 13:03:33 (7 years ago)
Latest Published: 2022-07-15 23:53:19 (3 years ago)
Status: PUP.ChinAd (on last analysis)
Analysis Date: 2022-07-15 23:53:19 (3 years ago)
OptimizeTool.dll detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

The signature on OptimizeTool.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%\2345soft\2345explorer
%programfiles%\2345soft\2345explorer
%localappdata%\2345explorer\application\9.5.0.17997
%programfiles%\2345soft\2345explorer
%programfiles%\2345soft\2345explorer
%programfiles%\2345soft\2345explorer
%programfiles%\2345soft\2345explorer
%programfiles%\2345soft\2345explorer
%localappdata%\2345explorer\application\9.9.0.19250
%programfiles%\2345soft\2345explorer

ThreatInfo has observed OptimizeTool.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.

46.7%
20.0%
6.7%
6.7%
6.7%
6.7%
6.7%

The strongest geographic signal for this file is Taiwan with 46.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 73.3%
Windows 7 20.0%
Windows XP 6.7%

The most common operating system signal for OptimizeTool.dll is Windows 10 with 73.3% 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.

OptimizeTool.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: 0x0007cb6f

PE Sections:

Name Size of data MD5
.text 1274880 e2d55f1d0c6d04c3aa3d73f7bbc8f104
.rdata 285696 99d1105cf933521a170265da50c5d233
.data 23040 26c37af66493256b9dfd66206e7b926d
.rsrc 107008 ca3880f6d8ef59aa7d46fa0b3e13f4ec
.reloc 72192 51caf5ef447610e43bf3f02f14a7534f

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: