GridinSoft Threat Intelligence

DiskCheck.exe threat report

Detected as PUP.ChinAd File reputation report
MD5 36eb681f4c4c8066e0288fa8823a35b7
Latest seen 2025-04-28 23:01:27 (a year ago)
First seen 2023-12-06 23:33:40 (2 years ago)
Size 658 KB
Publisher www.ludashi.com
Product PageMgr

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
36eb681f4c4c8066e0288fa8823a35b7
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.ChinAd, part of the PUP threat category.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2023-12-06 23:33:40 (2 years ago); latest analysis 2025-04-28 23:01:27 (a year ago).

Publisher context

Company metadata: www.ludashi.com. Product metadata: PageMgr.

Digital signature

Signed by Chengdu Qilu Technology Co. Ltd.. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the PUP category for related samples and common context.

DiskCheck.exe is a Windows file recorded in the ThreatInfo database. It is associated with PageMgr. 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). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If DiskCheck.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.

Product Name: PageMgr
Company Name: www.ludashi.com
MD5: 36eb681f4c4c8066e0288fa8823a35b7
Size: 658 KB
First Published: 2023-12-06 23:33:40 (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)
DiskCheck.exe 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.

Signed By: Chengdu Qilu Technology Co. Ltd.
Status: Valid

The signature on DiskCheck.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.

%programfiles%\ludashi

ThreatInfo has observed DiskCheck.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.

Windows 10 100.0%

The most common operating system signal for DiskCheck.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.

DiskCheck.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00020ec0
Image base 0x00400000

PE Sections:

Sections 5
Raw data 666112

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 437760 bytes · 65.7% of section data
MD5 c00d923ebcfad37bd30f54c84b6eb18d
.rdata 120832 bytes · 18.1% of section data
MD5 9d9e040b2b941f75d12003a02cc825a7
.data 15872 bytes · 2.4% of section data
MD5 979c389896946571c1eac813dd2edd12
.rsrc 67072 bytes · 10.1% of section data
MD5 f0eaddc209ebe765d9fc96548e221ae5
.reloc 24576 bytes · 3.7% of section data
MD5 a2b8265ef44abffabdcb22d201d48061

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 DiskCheck.exe by MD5 36eb681f4c4c8066e0288fa8823a35b7. It is part of the PUP 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 36eb681f4c4c8066e0288fa8823a35b7.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the PUP category to compare similar reports.