GridinSoft Threat Intelligence

PDFSparkOnSoft_306896.exe threat report

Detected as PUP.Gen File reputation report
MD5 8978d3f6df743c76b5127755a3bc78a6
Latest seen 2026-01-12 23:07:36 (4 months ago)
First seen 2026-01-12 23:07:36 (4 months ago)
Size 10 MB
Publisher Mainstay Crypto LLC
Product PDF_Spark
Signed by Mainstay Crypto LLC

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.Gen. 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.Gen
Recommended action
Scan and remove
Last analysis
2026-01-12 23:07:36 (4 months ago)
File hash
8978d3f6df743c76b5127755a3bc78a6
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.Gen.

Timeline

First seen 2026-01-12 23:07:36 (4 months ago); latest analysis 2026-01-12 23:07:36 (4 months ago).

Publisher context

Company metadata: Mainstay Crypto LLC . Product metadata: PDF_Spark .

Digital signature

Signed by Mainstay Crypto LLC. 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.

File context

PDFSparkOnSoft_306896.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.Gen, based on the latest analysis from 2026-01-12 23:07:36 (4 months ago).

If PDFSparkOnSoft_306896.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.Gen.

File Details

Product Name: PDF_Spark
Company Name: Mainstay Crypto LLC
MD5: 8978d3f6df743c76b5127755a3bc78a6
Size: 10 MB
First Published: 2026-01-12 23:07:36 (4 months ago)
Latest Published: 2026-01-12 23:07:36 (4 months ago)
Status: PUP.Gen (on last analysis)
Analysis Date: 2026-01-12 23:07:36 (4 months ago)

Detection screenshot

PDFSparkOnSoft_306896.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.

Overview

Signed By: Mainstay Crypto LLC
Status: Valid

The signature on PDFSparkOnSoft_306896.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%

ThreatInfo has observed PDFSparkOnSoft_306896.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 PDFSparkOnSoft_306896.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Germany
Share 100.0%
Low High activity

The strongest geographic signal for this file is Germany 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:

Windows 10 100.0%

The most common operating system signal for PDFSparkOnSoft_306896.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

PDFSparkOnSoft_306896.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 0x000acfe0
Image base 0x00400000

PE Sections:

Sections 11
Raw data 1171456

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

.text 698368 bytes · 59.6% of section data
MD5 b8445bdd9e5484c726072a6120dac5d3
.itext 6144 bytes · 0.5% of section data
Uncommon name
MD5 5f4b1e9e79c8b34d6a04f97d624934e2
.data 15360 bytes · 1.3% of section data
MD5 5c86c8844d87a63141d9256ab8648c6d
.bss 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.idata 4608 bytes · 0.4% of section data
MD5 cfabbe97f496978be1d9ed2b0e76508c
.didata 512 bytes · 0.0% of section data
Uncommon name
MD5 6b25d6a3ba6793df88ceec45d9ed59b3
.edata 512 bytes · 0.0% of section data
MD5 1f044b007f9a7c5e77e0a9392c1c3bcb
.tls 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.rdata 512 bytes · 0.0% of section data
MD5 48bdf6e6093f9760e6f540d2b96a5683
.reloc 70656 bytes · 6.0% of section data
MD5 94b970c14a85684de6c6a4dfaa0a363b
.rsrc 374784 bytes · 32.0% of section data
MD5 2bf6954d080649ee0aeb5384b25a0d02

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.Gen

This report identifies PDFSparkOnSoft_306896.exe by MD5 8978d3f6df743c76b5127755a3bc78a6. 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 8978d3f6df743c76b5127755a3bc78a6.
  • 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.