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What is sysmain.dll?

Part of スーパーフェッチ サービス ホスト by Microsoft

(sysmain.dll is a system file that is installed with Windows)
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How is sysmain.dll loaded?

Autoplay handler - sysmain.dll is typically associtated with identifier name of MSCreateRdbCache with and identifier of SOFTWARE\Microsoft\Windows\ CurrentVersion\Explorer\AutoplayHandlers\Handlers\MSCreateRdbCache. Autoplay will scan removable media, when it arrives, looking for media content types (music, graphics, or video). When a removable media arrives, Windows determines what actions to perform by evaluating the content and comparing it to registered handlers for that content. An application will register a handler for Autoplay events associated with a media type.
Hosted service - sysmain.dll is typically associtated with identifier name of 54a47f6b5e09a77e61649109c6a08866 with and identifier of SysMain. A Windows Hosted Service is a service that is implemented as dynamically-linked library (DLL) run under the (Service Host) SvcHost process.
スーパーフェッチ サービス ホスト is loaded by:

Community

What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the sysmain.dll file.Of the 0.1% of sysmain.dll users, less than 1% have disabled it.
How resource intensive is the loaded module sysmain.dll?
Comparison based on the average resource utilization across all programs.
                              0.05967106% CPU4972.6%
Average thread CPU utilization across all loaded modules is 0.00120%.
Typical file (disk image) location:
C:\Windows\System32\sysmain.dll

What else is related?

What Windows OS versions does this run on?

Windows 7 Ultimate (6.1.7601.65536)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: sysmain.dll
Publisher: Microsoft Corporation (verified)
Name: スーパーフェッチ サービス ホスト
Description: Microsoft® Windows® Operating System
Version: 6.1.7600.16385 (win7_rtm.090713-1255)
Product version: 6.1.7600.16385
Size: 1.11 MB
Original file name: sysmain.dll.mui
Windows file protection: Yes

Resource utilization

Total CPU: 0.0596710570%
Privileged CPU: 0.0568295781%
User CPU: 0.0028414789%
CPU Cycle count /sec: 707,260
Module memory size: 1.12 MB

Autoplay handler details

Name: MSCreateRdbCache
Command: SOFTWARE\Microsoft\Windows\ CurrentVersion\Explorer\AutoplayHandlers\Handlers\MSCreateRdbCache

Hosted service details

Name: 4fb491ac8d46aaf22ba8bc5c73dabef7
Command: SysMain

Image hashes

MD5: ed3177b14db39cd26cf7ee7e077bb6a2
SHA-1: 4a5a473beb767e1c4d843e3c1fb64b11c4128bfb
SHA-256: 376e11d23a8c937e15344b3afef4c3e6b9cdb5b3cbadd648b76d61186585d5c0

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File packed: No
Import Table
advapi32.dll
api-ms-win-security-sddl-l1-1-0.dll
api-ms-win-service-core-l1-1-0.dll
api-ms-win-service-management-l1-1-0.dll
api-ms-win-service-management-l2-1-0.dll
api-ms-win-service-winsvc-l1-1-0.dll
kernel32.dll
msvcrt.dll
ntdll.dll
ole32.dll
rpcrt4.dll
setupapi.dll
shell32.dll
shlwapi.dll
user32.dll
wtsapi32.dll
Export Table
agglload
agpdload
agtwload
closereadyboostperfdata
collectreadyboostperfdata
dllcanunloadnow
dllgetclassobject
dllregisterserver
dllunregisterserver
openreadyboostperfdata
pfsvsysprepcleanup
pfsvunattendcallback
rdbmgmtlaunchpropertiesw
sysmtservicemain
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