DIFxAPI64.dll.quarantined file report

MD5 1a2e5109c2bb5c68d499e17b83acb73a
Latest seen 2026-04-25 23:01:09 (a week ago)
First seen 2017-05-21 03:01:59 (8 years ago)
Size 506 KB
Signed by Microsoft Windows

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2017-05-21 03:01:59 (8 years ago); latest analysis 2026-04-25 23:01:09 (a week ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Driver Install Frameworks API (DIFxAPI).

Digital signature

Signed by Microsoft Windows. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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. Confirm the hash and publisher match the expected software.
  2. Review the observed locations and signature information below.
  3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

DIFxAPI64.dll.quarantined 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 Clean, based on the latest analysis from 2026-04-25 23:01:09 (a week ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

Product Name: Driver Install Frameworks API (DIFxAPI)
Company Name: Microsoft Corporation
MD5: 1a2e5109c2bb5c68d499e17b83acb73a
Size: 506 KB
First Published: 2017-05-21 03:01:59 (8 years ago)
Latest Published: 2026-04-25 23:01:09 (a week ago)
Status: Clean (on last analysis)
Analysis Date: 2026-04-25 23:01:09 (a week ago)
Signed By: Microsoft Windows
Status: Valid

The signature on DIFxAPI64.dll.quarantined 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.

%commonappdata%\e1864a66-75e3-486a-bd95-d1b7d99a84a7\x64
%programfiles%\maoha\maohaap\drv64
%programfiles%\drivertoolkit\download\7d98e9819fb33ed5f6836a8f99dba5ff\x64
%programfiles%\driver tuneup\dp
%programfiles%\kuaiyong\repair
%programfiles%\driver updater\dp
%programfiles%\advanced driver updater
%programfiles%\advanced driver updater\updater\amd64helper
%commonappdata%\6bcca8c5-7e69-4622-bcca-9fac488059bd\x64
%programfiles%\wifisrv\drv64

ThreatInfo has observed DIFxAPI64.dll.quarantined 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.

DIFxAPI.dll
difxapi.dll
difxapi64.dll
difxapi_x64.dll
DIFxAPI.dll.svn-base
DIFxAPI64.dll
DIFxAPI64.dll.quarantined

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

12.8%
5.7%
5.4%
5.0%
4.9%
3.8%
3.4%
3.2%
3.0%
2.7%
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1.7%
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1.1%
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0.8%
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The strongest geographic signal for this file is United States with 12.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 53.3%
Windows 7 34.7%
Windows 8.1 8.9%
Windows 8 1.2%
Windows XP 0.8%
Windows Vista 0.5%
Windows Embedded 8.1 0.3%
Windows Server 2008 R2 0.1%
Windows Server 2012 0.1%

The most common operating system signal for DIFxAPI64.dll.quarantined is Windows 10 with 53.3% 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.

DIFxAPI64.dll.quarantined is identified as pe for 64 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000061000000
Entry Address: 0x00045700

PE Sections:

Name Size of data MD5
.text 462848 d488c43f19268af1db36d68a63bcd330
.data 2048 37883347d767f5ec8a085d1136ea8a73
.pdata 41984 3d911d08ff0a2834b0936db9d7ad054f
.rsrc 2048 8ff2d004eabacf9ef9a4f2cb71066381
.reloc 2048 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.

More information: