GridinSoft Threat Intelligence
LuDaShiFeedBack.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.LuDaShi. 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.LuDaShi
- Recommended action
- Scan and remove
- Last analysis
- 2025-04-28 23:01:31 (a year ago)
- File hash
- ef9b1c9dade871568af0484fa1c9a5a9
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.LuDaShi, 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 2018-09-02 12:05:46 (7 years ago); latest analysis 2025-04-28 23:01:31 (a year ago).
Company metadata: www.ludashi.com. Product metadata: 鲁大师反馈建议.
Signed by Qihoo 360 Software (Beijing) 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. Review the Adware category for related samples and common context.
File context
LuDaShiFeedBack.exe is a Windows file recorded in the ThreatInfo database. It is associated with 鲁大师反馈建议. The reported company name is www.ludashi.com. The current detection status is Adware.LuDaShi, based on the latest analysis from 2025-04-28 23:01:31 (a year ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If LuDaShiFeedBack.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 Adware.LuDaShi.
File Details
| Product Name: | 鲁大师反馈建议 |
| Company Name: | www.ludashi.com |
| MD5: | ef9b1c9dade871568af0484fa1c9a5a9 |
| Size: | 842 KB |
| First Published: | 2018-09-02 12:05:46 (7 years ago) |
| Latest Published: | 2025-04-28 23:01:31 (a year ago) |
| Status: | Adware.LuDaShi (on last analysis) | |
| Analysis Date: | 2025-04-28 23:01:31 (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: | Qihoo 360 Software (Beijing) Company Limited |
| Status: | Valid |
The signature on LuDaShiFeedBack.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%\ludashi\drvmgr |
| %programfiles%\ludashi\ludashi\drvmgr |
ThreatInfo has observed LuDaShiFeedBack.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 LuDaShiFeedBack.exe across 11 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 47.7% 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 LuDaShiFeedBack.exe is Windows 10 with 90.9% 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
LuDaShiFeedBack.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.
0ed8df72a3256e81cf08d8d35c086381
2620488da76318823af73ae5b9510fb7
3c3143ab3f7bdb4b54c1ae011612a874
d7351654c41dd91598bd31d942d9783f
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.LuDaShi
This report identifies LuDaShiFeedBack.exe by MD5 ef9b1c9dade871568af0484fa1c9a5a9. 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.