GridinSoft Threat Intelligence
DIFxAPI64.dll threat report
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
- 2025-06-14 23:00:29 (a year ago)
- File hash
- d28fc865a6e49c0a51049958a28e840a
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.Gen, 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 2025-06-14 23:00:29 (a year ago); latest analysis 2025-06-14 23:00:29 (a year ago).
Company metadata: Microsoft Corporation. Product metadata: Driver Install Frameworks API (DIFxAPI).
Signed by IObit CO., LTD. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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
DIFxAPI64.dll is a Windows file recorded in the ThreatInfo database. It is associated with Driver Install Frameworks API (DIFxAPI). The reported company name is Microsoft Corporation. The current detection status is PUP.Gen, based on the latest analysis from 2025-06-14 23:00:29 (a year ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If DIFxAPI64.dll 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: | Driver Install Frameworks API (DIFxAPI) |
| Company Name: | Microsoft Corporation |
| MD5: | d28fc865a6e49c0a51049958a28e840a |
| Size: | 516 KB |
| First Published: | 2025-06-14 23:00:29 (a year ago) |
| Latest Published: | 2025-06-14 23:00:29 (a year ago) |
| Status: | PUP.Gen (on last analysis) | |
| Analysis Date: | 2025-06-14 23:00:29 (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: | IObit CO., LTD |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on DIFxAPI64.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %programfiles%\iobit\driver booster |
ThreatInfo has observed DIFxAPI64.dll 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 DIFxAPI64.dll 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 Spain 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 DIFxAPI64.dll 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
DIFxAPI64.dll is identified as pe for 64-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.
d488c43f19268af1db36d68a63bcd330
37883347d767f5ec8a085d1136ea8a73
3d911d08ff0a2834b0936db9d7ad054f
8ff2d004eabacf9ef9a4f2cb71066381
f050ecbdbed2b50d7c3e4df0a2156e60
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 DIFxAPI64.dll by MD5 d28fc865a6e49c0a51049958a28e840a. 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.