GridinSoft Threat Intelligence
PFInstOnline.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.TopTools. 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.TopTools
- Recommended action
- Scan and remove
- Last analysis
- 2025-09-11 23:02:44 (8 months ago)
- File hash
- 631c4b028e1a5502c976a0d3438eee60
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.TopTools, 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 2018-09-06 11:04:46 (7 years ago); latest analysis 2025-09-11 23:02:44 (8 months ago).
Company metadata: Picosmos. Product metadata: App P2P Installer.
Signed by chen jun hao. 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
PFInstOnline.exe is a Windows file recorded in the ThreatInfo database. It is associated with App P2P Installer. The reported company name is Picosmos. The current detection status is PUP.TopTools, based on the latest analysis from 2025-09-11 23:02:44 (8 months ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If PFInstOnline.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.TopTools.
File Details
| Product Name: | App P2P Installer |
| Company Name: | Picosmos |
| MD5: | 631c4b028e1a5502c976a0d3438eee60 |
| Size: | 2 MB |
| First Published: | 2018-09-06 11:04:46 (7 years ago) |
| Latest Published: | 2025-09-11 23:02:44 (8 months ago) |
| Status: | PUP.TopTools (on last analysis) | |
| Analysis Date: | 2025-09-11 23:02:44 (8 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: | chen jun hao |
| Status: | Valid |
The signature on PFInstOnline.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:
| %sysdrive%\1.programs\formatfactory\ffmodules |
| %programfiles%\formatfactory\ffmodules |
| %programfiles%\格式工廠3.80\app\formatfactory\ffmodules |
| %desktop%\格式工廠\format factory\ffmodules |
| %sysdrive%\backup06-01-2018\desktop\formatfactory\ffmodules |
| %sysdrive%\program files(green)\format factory\ffmodules |
| %profile%\downloads\格式工廠\format factory\ffmodules |
| %programfiles%\格式工廠\ffmodules |
| %programfiles%\format factory\ffmodules |
| %sysdrive%\迅雷下載\format factory\ffmodules |
ThreatInfo has observed PFInstOnline.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 PFInstOnline.exe across 27 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Thailand with 27.0% 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 PFInstOnline.exe is Windows 7 with 41.3% 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
PFInstOnline.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.
e52e484a301dcc67a7cade70eee4a79c
86557d3a7f91636497f4584102858b8b
945b27eecb0e6ee03e26989c9a83377f
c16e62a865a2a9e2a7735007318e1b22
c8926b3b043cc2712478ba3845bfb0d3
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.TopTools
This report identifies PFInstOnline.exe by MD5 631c4b028e1a5502c976a0d3438eee60. 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.