Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

2011.0110.3000.00 ((SQL11_PCU_Main).121019-1325 ) 3.91%
2011.0110.3000.00 ((SQL11_PCU_Main).121019-1322 ) 0.36%
2011.0110.2318.00 ((SQL11_RTM_QFE-OD).120419-1135 ) 3.56%
2011.0110.2100.060 ((SQL11_RTM).120210-1917 ) 17.79%
2011.0110.2100.060 ((SQL11_RTM).120210-1846 ) 1.42%
2009.0100.1600.01 ((KJ_RTM).100402-1540 ) 6.76%
2009.0100.1600.01 ((KJ_RTM).100402-1539 ) 6.05%
2007.0100.5500.00 ((Katmai_PCU_Main).110922-0336 ) 6.05%
2007.0100.5500.00 ((Katmai_PCU_Main).110921-2358 ) 1.07%
2007.0100.4000.00 ((Katmai_PCU_Main).100916-1939 ) 3.56%
2007.0100.1600.022 ((SQL_PreRelease).080709-1414 ) 6.05%
2007.0100.1600.022 ((SQL_PreRelease).080709-1414 ) 6.76%
2005.090.5000.00 10.68%
2005.090.5000.00 14.95%
2005.090.4035.00 1.07%
2005.090.4035.00 1.78%
2005.090.3042.00 2.85%
2005.090.3042.00 1.78%
2005.090.2047.00 0.36%
2005.090.2047.00 1.07%
2005.090.1399.00 2.14%

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
AddAccessAllowedAceEx, AddAccessDeniedAceEx, GetAclInformation, AddAce, InitializeAcl, GetAce, SetSecurityDescriptorDacl, SetSecurityDescriptorGroup, SetSecurityDescriptorOwner, GetLengthSid, CopySid, InitializeSecurityDescriptor, OpenProcessToken, RegQueryValueExW, RegOpenKeyExW, RegCloseKey, LookupPrivilegeValueW, RegisterEventSourceW, ReportEventW, DeregisterEventSource, StartServiceCtrlDispatcherW, RegisterServiceCtrlHandlerExW, SetServiceStatus, OpenSCManagerA, OpenServiceW, CloseServiceHandle, ChangeServiceConfigA, LookupAccountSidW, RegSetValueExW, RegCreateKeyExW, AdjustTokenPrivileges
kernel32.dll
SetEvent, GetCommandLineW, TerminateProcess, GetCurrentProcess, CreateEventA, SetUnhandledExceptionFilter, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, InterlockedExchange, Sleep, InterlockedCompareExchange, WriteFile, LeaveCriticalSection, EnterCriticalSection, InitializeCriticalSection, GetModuleHandleW, CloseHandle, OpenThread, GetCurrentThreadId, WaitForSingleObject, GetVersionExA, GetProcAddress, LoadLibraryA, FreeLibrary, GetLastError, DeleteCriticalSection, RaiseException, OutputDebugStringW, SetFilePointerEx, GetFileSizeEx, LockFileEx, CreateFileW, FlushFileBuffers, InterlockedDecrement, UnlockFileEx, GetLocalTime, GetCurrentThread, LocalFree, SetLastError, LocalAlloc, GetComputerNameW, VirtualFree, HeapCreate, HeapAlloc, HeapFree, GetSystemInfo, LoadLibraryW, VirtualQuery, ReadProcessMemory, SetHandleInformation, GetModuleFileNameW, CreateMutexW, ReleaseMutex, GetExitCodeProcess, CreateProcessW, GetStartupInfoW, SetThreadPriority, GetThreadPriority, InterlockedIncrement, UnhandledExceptionFilter, IsDebuggerPresent, GetModuleHandleA
msvcr80.dll
DllMain
ole32.dll
CoTaskMemAlloc, CoInitializeEx, CoInitializeSecurity, CoUninitialize, CoTaskMemFree
user32.dll
MessageBoxW
Export table
DmpGetClientExport
DmpRemoteDumpRequest

SQLWRITER.exe

Microsoft SQL Server by Microsoft Corporation (Signed)

Remove SQLWRITER.exe
Version:   2009.0100.1600.01 ((KJ_RTM).100402-1539 )
MD5:   f98ddfbfe0ee66d4c4b00693512b9527
SHA1:   a8497cd2fe308dda481b1a7b41961efb82059268
SHA256:   322ff75d1ca460368fd72adcd93273f1d5aa5cf2c4df65a94bf9abaa2e695150

What is SQLWRITER.exe?

The SQL Writer Service provides added functionality for backup and restore of SQL Server through the Volume Shadow Copy Service framework.

About SQLWRITER.exe (from Microsoft Corporation)

The SQL Writer Service is installed automatically. It must be running when the Volume Shadow Copy Service (VSS) application requests a backup or restore. To configure the service, use the Microsoft Wi

DetailsDetails

File name:sqlwriter.exe
Publisher:Microsoft Corporation
Product name:Microsoft SQL Server
Description:SQL Server VSS Writer
Typical file path:C:\Program Files\microsoft sql server\90\shared\sqlwriter.exe
File version:2009.0100.1600.01 ((KJ_RTM).100402-1539 )
Product version:10.50.1600.1
Size:142.84 KB (146,272 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Monday, December 7, 2009
Expiration date:Monday, March 7, 2011
Digital DNA
PE subsystem:Windows Console
Entropy:6.089132
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Microsoft Corporation
4% remove
The SQL Server Native Client contains the SQL Server ODBC driver and the SQL Server OLE DB provider in one native dynamic link library (DLL) supporting applications using native-code APIs (ODBC, OLE DB and ADO) to Microsoft SQL Server.
Microsoft Corporation
4% remove
SQL Server 2005 introduced SQLXML 4.0, which continues to deliver the same functionality as SQLXML 3.0 plus additional updates provided to accommodate new features introduced with SQL Server 2005. SQLXML provides client-side XML functionality and enhancements to existing features, such as annotated XSD schemas, XML bulk load, Web services (SOAP) support, and updategrams.
Microsoft Corporation
11% remove
The Feature Pack is a collection of standalone install packages that provide additional value for SQL Server 2005. It includes the backward compatibility components for SQL Server 2005.
Microsoft Corporation
1% remove
The SQL Writer Service provides added functionality for backup and restore of SQL Server through the Volume Shadow Copy Service framework. The SQL Writer Service is installed automatically. It must be running when the Volume Shadow Copy Service (VSS) application requests a backup or restore. To configure the service, use the Microsoft Windows Services applet.
Microsoft Corporation
8% remove
SQL Server Management Objects (SMO) is a collection of objects that are designed for programming all aspects of managing Microsoft SQL Server. SQL Server Replication Management Objects (RMO) is a collection of objects that encapsulates SQL Server replication management.
Microsoft Corporation
7% remove
Microsoft SQL Server Management Studio Express (SSMSE) is a free, easy-to-use graphical management tool for managing SQL Server Express Edition and SQL Server Express Edition with Advanced Services. SSMSE can also manage instances of the SQL Server Database Engine created by any edition of SQL Server.
Microsoft Corporation
1% remove
The SQL Writer Service provides added functionality for backup and restore of SQL Server through the Volume Shadow Copy Service framework. The SQL Writer Service is installed automatically. It must be running when the Volume Shadow Copy Service (VSS) application requests a backup or restore. To configure the service, use the Microsoft Windows Services applet. The SQL Writer Service installs on all operating systems. When running, Databa...
Microsoft Corporation
7% remove
You can manage your Microsoft SQL Server 2008 Express (SQL Server Express) databases by using the sqlcmd utility from the command prompt. To access the sqlcmd utility, click Start, click Run, and type sqlcmd.exe.
Samsung Electronics CO., LTD.
4% remove

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'SQLWriter' (Escritor VSS de SQL Server)
  • SQLWriter
  • 'SQLWriter' (SQL Server VSS Writer)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00007732%
0.028634%
Kernel CPU:0.00004938%
0.013761%
User CPU:0.00002795%
0.014873%
Kernel CPU time:127 ms/min
100,923,805ms/min
CPU cycles:11,401/sec
17,470,203/sec
Memory
Private memory:2.06 MB
21.59 MB
Private (maximum):7.21 MB
Private (minimum):5.29 MB
Non-paged memory:2.06 MB
21.59 MB
Virtual memory:41.53 MB
140.96 MB
Virtual memory (peak):48.43 MB
169.69 MB
Working set:6.6 MB
18.61 MB
Working set (peak):7.36 MB
37.95 MB
Page faults:2,277/min
2,039/min
I/O
I/O read transfer:0 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:0 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:0 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:4
12
Handles:83
600

BehaviorsProcess properties

Integrety level:System
Platform:64-bit
Command line:"C:\Program Files\microsoft sql server\90\shared\sqlwriter.exe"
Owner:SYSTEM
Windows Service
Service name:SQLWriter
Display name:Escritor VSS de SQL Server
Description:“Proporciona la interfaz para realizar copias de seguridad y restaurar Microsoft SQL Server a través de la infraestructura de Windows VSS.”
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
ntdll.dll
Total CPU:0.00022786%
0.272967%
Kernel CPU:0.00011393%
0.107585%
User CPU:0.00011393%
0.165382%
CPU cycles:4,510/sec
5,741,424/sec
Memory:1.74 MB
1.16 MB
sqlwriter.exe (main module)
Total CPU:0.00008882%
Kernel CPU:0.00004190%
User CPU:0.00004692%
CPU cycles:2,335/sec
Memory:164 KB
sechost.dll (Host for SCM/SDDL/LSA Lookup APIs by Microsoft)
Total CPU:0.00004033%
Kernel CPU:0.00000000%
User CPU:0.00004033%
CPU cycles:496/sec
Memory:124 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 30.77%
Windows 7 Home Premium 23.08%
Microsoft Windows XP 17.58%
Windows 7 Professional 8.79%
Windows 8.1 Pro 6.59%
Windows Vista Ultimate 3.30%
Windows 8 Enterprise 2.20%
Windows 7 Starter 2.20%
Windows Server 2003, Standard Edition 2.20%
Windows 8 Pro 1.10%
Windows XP Professional 1.10%
Windows Server 2008 Standard 1.10%

Distribution by countryDistribution by country

United States installs about 37.31% of Microsoft SQL Server.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Intel 19.67%
Dell 19.67%
Toshiba 16.39%
Acer 14.75%
Sony 9.84%
Hewlett-Packard 9.84%
GIGABYTE 3.28%
ASUS 3.28%
Samsung 3.28%
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