WeChatUpdate.exe threat report
ThreatInfo file report
WeChatUpdate.exe
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
- 2026-03-29 23:01:23 (a month ago)
- File hash
- 0caa71bfd3a1c9a3c8951a89658c9830
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.ChinAd.
First seen 2026-03-28 23:00:55 (a month ago); latest analysis 2026-03-29 23:01:23 (a month ago).
Company metadata: Copyright (C) 2011-2020 Tencent. Product metadata: WeChatUpdate.
Signed by Tencent Technology (Shenzhen) Company Limited. 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
WeChatUpdate.exe is a Windows file recorded in the ThreatInfo database. It is associated with WeChatUpdate. The reported company name is Copyright (C) 2011-2020 Tencent. The current detection status is PUP.ChinAd, based on the latest analysis from 2026-03-29 23:01:23 (a month ago).
If WeChatUpdate.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: | WeChatUpdate |
| Company Name: | Copyright (C) 2011-2020 Tencent |
| MD5: | 0caa71bfd3a1c9a3c8951a89658c9830 |
| Size: | 2 MB |
| First Published: | 2026-03-28 23:00:55 (a month ago) |
| Latest Published: | 2026-03-29 23:01:23 (a month ago) |
| Status: | PUP.ChinAd (on last analysis) | |
| Analysis Date: | 2026-03-29 23:01:23 (a month 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: | Tencent Technology (Shenzhen) Company Limited |
| Status: | Valid |
The signature on WeChatUpdate.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%\tencent\wechat |
| %commonappdata%\tencent |
| %appdata%\tencent\wechat\xplugin\plugins\wechatupdate\5120 |
ThreatInfo has observed WeChatUpdate.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.
Geography:
| 66.7% | ||
| 33.3% |
The strongest geographic signal for this file is Australia with 66.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
| Windows 10 | 100.0% |
The most common operating system signal for WeChatUpdate.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
WeChatUpdate.exe 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: | 0x00400000 |
| Entry Address: | 0x000d76ae |
PE Sections:
| Name | Size of data | MD5 |
| .text | 1870336 | 5ddb79ce529a8e704ecc05c04d82a43b |
| .rdata | 542720 | e5566dfeda66bac2c7c7d39aed3e55d4 |
| .data | 17408 | 51f449ed4d46bbe48c1eafc8ae7d51db |
| .rsrc | 69120 | e91b57d770e751a28869605dad60b18f |
| .reloc | 87552 | 1808a9ebb0a4164e4e2fc7d762f5c5b5 |
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:
