GridinSoft Threat Intelligence
hdpdfReader.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Downloader. 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
- Trojan.Downloader
- Recommended action
- Scan and remove
- Last analysis
- 2025-02-28 23:01:11 (a year ago)
- File hash
- c32c7e46e9dd2837a4448c476482723c
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Downloader, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2025-02-28 23:01:11 (a year ago); latest analysis 2025-02-28 23:01:11 (a year ago).
Signed by Shanghai Hudun Information 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. Review the Trojan category for related samples and common context.
File context
hdpdfReader.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Downloader, based on the latest analysis from 2025-02-28 23:01:11 (a year ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If hdpdfReader.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 Trojan.Downloader.
File Details
| MD5: | c32c7e46e9dd2837a4448c476482723c |
| Size: | 300 KB |
| First Published: | 2025-02-28 23:01:11 (a year ago) |
| Latest Published: | 2025-02-28 23:01:11 (a year ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2025-02-28 23:01:11 (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: | Shanghai Hudun Information Technology Co., Ltd. |
| Status: | Valid |
The signature on hdpdfReader.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:
| %appdata%\hudun\hudunimageconverter\resources |
ThreatInfo has observed hdpdfReader.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 hdpdfReader.exe 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 China 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 hdpdfReader.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.
Analysis
hdpdfReader.exe 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
5962220cb2e5a5476ff57aec7f08f73f
4333f0ca43ec5e7a0af970365f538abc
bac4fab5fd7e3b7f09a5f9e2acd64ac8
e29c09d4851d2bf6a22f5e83d9f3a98c
1f354d76203061bfdd5a53dae48d5435
0a16f07ab1580b2d4ce1d12946621883
99d72e38c740ec2d9217d37303747f7f
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 Trojan.Downloader
This report identifies hdpdfReader.exe by MD5 c32c7e46e9dd2837a4448c476482723c. It is part of the Trojan 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.