GridinSoft Threat Intelligence
PDFSparkWare_953643.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as PUP.Generic. 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.Generic
- Recommended action
- Scan and remove
- Last analysis
- 2026-01-27 23:01:00 (4 months ago)
- File hash
- 42e5330b7601f57366e7a99bf2471db6
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.Generic, part of the PUP threat category.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-01-12 23:07:42 (4 months ago); latest analysis 2026-01-27 23:01:00 (4 months ago).
Company metadata: Mainstay Crypto LLC . Product metadata: PDF_Spark .
Signed by Mainstay Crypto LLC. 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 PUP category for related samples and common context.
File context
PDFSparkWare_953643.exe is a Windows file recorded in the ThreatInfo database. It is associated with PDF_Spark . The reported company name is Mainstay Crypto LLC . The current detection status is PUP.Generic, based on the latest analysis from 2026-01-27 23:01:00 (4 months ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If PDFSparkWare_953643.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.Generic.
File Details
| Product Name: | PDF_Spark |
| Company Name: | Mainstay Crypto LLC |
| MD5: | 42e5330b7601f57366e7a99bf2471db6 |
| Size: | 12 MB |
| First Published: | 2026-01-12 23:07:42 (4 months ago) |
| Latest Published: | 2026-01-27 23:01:00 (4 months ago) |
| Status: | PUP.Generic (on last analysis) | |
| Analysis Date: | 2026-01-27 23:01:00 (4 months 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: | Mainstay Crypto LLC |
| Status: | Valid |
The signature on PDFSparkWare_953643.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:
| %profile% |
| %desktop%\d drive data\documents\cookbookpdf |
ThreatInfo has observed PDFSparkWare_953643.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 PDFSparkWare_953643.exe 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 Germany 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 PDFSparkWare_953643.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
PDFSparkWare_953643.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.
b8445bdd9e5484c726072a6120dac5d3
5f4b1e9e79c8b34d6a04f97d624934e2
5c86c8844d87a63141d9256ab8648c6d
d41d8cd98f00b204e9800998ecf8427e
cfabbe97f496978be1d9ed2b0e76508c
6b25d6a3ba6793df88ceec45d9ed59b3
1f044b007f9a7c5e77e0a9392c1c3bcb
d41d8cd98f00b204e9800998ecf8427e
48bdf6e6093f9760e6f540d2b96a5683
94b970c14a85684de6c6a4dfaa0a363b
9a8d60db0744ee9f6947655e02d84fa2
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.Generic
This report identifies PDFSparkWare_953643.exe by MD5 42e5330b7601f57366e7a99bf2471db6. 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.