GridinSoft Threat Intelligence
2345PinyinAssistant.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as PUP.ChinAd. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- PUP.ChinAd
- Recommended action
- Scan and remove
- Last analysis
- 2024-08-08 23:01:58 (2 years ago)
- File hash
- 81cf0715236a5b6af3f152fbf3d63862
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.ChinAd.
First seen 2022-01-14 21:41:37 (4 years ago); latest analysis 2024-08-08 23:01:58 (2 years ago).
Signed by Shanghai 2345 Mobile Technology Co., Ltd.. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.
File context
2345PinyinAssistant.exe is a Windows file recorded in the ThreatInfo database. It is associated with 开机助手. The reported company name is 2345移动科技. The current detection status is PUP.ChinAd, based on the latest analysis from 2024-08-08 23:01:58 (2 years ago).
If 2345PinyinAssistant.exe 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.
File Details
| Product Name: | 开机助手 |
| Company Name: | 2345移动科技 |
| MD5: | 81cf0715236a5b6af3f152fbf3d63862 |
| Size: | 1 MB |
| First Published: | 2022-01-14 21:41:37 (4 years ago) |
| Latest Published: | 2024-08-08 23:01:58 (2 years ago) |
| Status: | PUP.ChinAd (on last analysis) | |
| Analysis Date: | 2024-08-08 23:01:58 (2 years ago) |
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.
Overview
| Signed By: | Shanghai 2345 Mobile Technology Co., Ltd. |
| Status: | Valid |
The signature on 2345PinyinAssistant.exe 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%\2345soft\2345pinyin\7.6.0.8261\protect\service |
| %programfiles%\2345soft\2345pic |
ThreatInfo has observed 2345PinyinAssistant.exe 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.
Geographic signal
Observed country distribution
ThreatInfo has seen 2345PinyinAssistant.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Taiwan with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for 2345PinyinAssistant.exe is Windows 10 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.
Analysis
2345PinyinAssistant.exe is identified as pe for 32-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
5c28e9f7a4d45e98881ccb832399437c
4aae7ac4aa52d74eb0845b847cb96ebd
66b2804246cbd5e655cfe42f99048426
1f0e6ae3c8bbd8c3e96345c919eecc13
af656d11d45780ee6f29157aa64185a8
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
GridinSoft detects this file as PUP.ChinAd
This report identifies 2345PinyinAssistant.exe by MD5 81cf0715236a5b6af3f152fbf3d63862. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.