GridinSoft Threat Intelligence
CheckUpdate.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.Agent. 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
- Adware.Agent
- Recommended action
- Scan and remove
- Last analysis
- 2023-04-11 23:48:30 (3 years ago)
- File hash
- 3a3d3de235632bd08c3a1aae336fe158
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Agent, part of the Adware threat category.
Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.
First seen 2023-04-11 23:48:30 (3 years ago); latest analysis 2023-04-11 23:48:30 (3 years ago).
Company metadata: He Fei Yun Biao Xin Xi Ke Ji You Xian Gong Si. Product metadata: 动态链接库.
Signed by He Fei Yun Biao Xin Xi Ke Ji You Xian Gong Si. 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. Review the Adware category for related samples and common context.
File context
CheckUpdate.dll is a Windows file recorded in the ThreatInfo database. It is associated with 动态链接库. The reported company name is He Fei Yun Biao Xin Xi Ke Ji You Xian Gong Si. The current detection status is Adware.Agent, based on the latest analysis from 2023-04-11 23:48:30 (3 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If CheckUpdate.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 Adware.Agent.
File Details
| Product Name: | 动态链接库 |
| Company Name: | He Fei Yun Biao Xin Xi Ke Ji You Xian Gong Si |
| MD5: | 3a3d3de235632bd08c3a1aae336fe158 |
| Size: | 263 KB |
| First Published: | 2023-04-11 23:48:30 (3 years ago) |
| Latest Published: | 2023-04-11 23:48:30 (3 years ago) |
| Status: | Adware.Agent (on last analysis) | |
| Analysis Date: | 2023-04-11 23:48:30 (3 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: | He Fei Yun Biao Xin Xi Ke Ji You Xian Gong Si |
| Status: | Valid |
The signature on CheckUpdate.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% |
ThreatInfo has observed CheckUpdate.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.
Geographic signal
Observed country distribution
ThreatInfo has seen CheckUpdate.dll 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 CheckUpdate.dll 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
CheckUpdate.dll 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.
262dc876de732fc14f3483e56e7c5798
42d721addd6894a12ee04d5a2ea62a1d
405a2292d12d7ec5a3bcf8acc25453aa
6a30aec40036948daa9029881aead7bf
1f354d76203061bfdd5a53dae48d5435
6331cfb81d026aba90861674b1e0e3eb
e6794b85a0e24e35ba2b6cbfb3fadc80
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 Adware.Agent
This report identifies CheckUpdate.dll by MD5 3a3d3de235632bd08c3a1aae336fe158. It is part of the Adware report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.