GridinSoft Threat Intelligence
CPUBenchmark_x86.dll 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
- 2025-04-28 23:01:27 (a year ago)
- File hash
- ec360ad798ac8111589f3f40b9abdcb8
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.ChinAd.
First seen 2024-11-05 23:01:42 (2 years ago); latest analysis 2025-04-28 23:01:27 (a year ago).
Company metadata: www.ludashi.com. Product metadata: Master Lu.
Signed by 成都奇鲁科技有限公司;Chengdu Qilu 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
CPUBenchmark_x86.dll is a Windows file recorded in the ThreatInfo database. It is associated with Master Lu. The reported company name is www.ludashi.com. The current detection status is PUP.ChinAd, based on the latest analysis from 2025-04-28 23:01:27 (a year ago).
If CPUBenchmark_x86.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.
File Details
| Product Name: | Master Lu |
| Company Name: | www.ludashi.com |
| MD5: | ec360ad798ac8111589f3f40b9abdcb8 |
| Size: | 18 MB |
| First Published: | 2024-11-05 23:01:42 (2 years ago) |
| Latest Published: | 2025-04-28 23:01:27 (a year ago) |
| Status: | PUP.ChinAd (on last analysis) | |
| Analysis Date: | 2025-04-28 23:01:27 (a year 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: | 成都奇鲁科技有限公司;Chengdu Qilu Technology Co. Ltd. |
| Status: | Valid |
The signature on CPUBenchmark_x86.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%\ludashi |
ThreatInfo has observed CPUBenchmark_x86.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 CPUBenchmark_x86.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is China with 50.0% 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 CPUBenchmark_x86.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
CPUBenchmark_x86.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.
dc9fb5bf5dcbe9aabfb628152cc203a9
1f5329252f9c0f1eca1ec99a9b2c1ee6
9be9f047f009fdc6c4b2657b7c543fff
3e27a4408143c337321b6c4f32774010
e3a7508513d05c471ea58d7f4a3dae6f
7bb346096f9cbc1998d537df60ea7b8f
62a683768f3840da1deeed9eda1fe468
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 CPUBenchmark_x86.dll by MD5 ec360ad798ac8111589f3f40b9abdcb8. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.