GridinSoft Threat Intelligence

MemOpt.tpi threat report

Detected as PUP.ChinAd File reputation report
MD5 fd3285233e224cc4dd0e8584462f4c9b
Latest seen 2024-11-05 23:01:43 (2 years ago)
First seen 2024-11-05 23:01:43 (2 years ago)
Size 754 KB
Publisher 鲁大师

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
2024-11-05 23:01:43 (2 years ago)
File hash
fd3285233e224cc4dd0e8584462f4c9b
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 2024-11-05 23:01:43 (2 years ago); latest analysis 2024-11-05 23:01:43 (2 years ago).

Publisher context

Company metadata: 鲁大师.

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.

MemOpt.tpi is a Windows file recorded in the ThreatInfo database. The reported company name is 鲁大师. The current detection status is PUP.ChinAd, based on the latest analysis from 2024-11-05 23:01:43 (2 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If MemOpt.tpi 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.

Company Name: 鲁大师
MD5: fd3285233e224cc4dd0e8584462f4c9b
Size: 754 KB
First Published: 2024-11-05 23:01:43 (2 years ago)
Latest Published: 2024-11-05 23:01:43 (2 years ago)
Status: PUP.ChinAd (on last analysis)
Analysis Date: 2024-11-05 23:01:43 (2 years ago)
MemOpt.tpi 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 MemOpt.tpi 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 MemOpt.tpi 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 MemOpt.tpi 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.

MemOpt.tpi is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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 CUI
Entry point 0x000251fd
Image base 0x10000000

PE Sections:

Sections 5
Raw data 764928

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

.text 581120 bytes · 76.0% of section data
MD5 4504310aee8b97ad0479607f4043184f
.rdata 135168 bytes · 17.7% of section data
MD5 21fa8e1c819e02a1974f183a2917e5a2
.data 17408 bytes · 2.3% of section data
MD5 7c6b7a7f1d849b741d7c73fdf1cd3ec3
.rsrc 1536 bytes · 0.2% of section data
MD5 b3a07c33ff9bf51f1ac83533f02d78b7
.reloc 29696 bytes · 3.9% of section data
MD5 f132af200e00ee445463fe94710d9f4f

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 MemOpt.tpi by MD5 fd3285233e224cc4dd0e8584462f4c9b. 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 fd3285233e224cc4dd0e8584462f4c9b.
  • 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.