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:   2005.090.5000.00
MD5:   3c432a96363097870995e2a3c8b66abd
SHA1:   004030a0238ac6f9bdd30e5318065cafaa894e6d
SHA256:   aa0ae0935fc5317fe93d7d3c3b9a6b2e026915d07704af3e36f14fea8595f4a6

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:2005.090.5000.00
Product version:9.00.5000.00
Size:149.84 KB (153,440 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 SQL Server Native Client
 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 SQL Server VSS Writer
 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.
Escritor de VSS de Microsoft SQL Server
 Microsoft Corporation
2% remove
“VSS is a framework consisting of a set of interfaces and structures that allow applications to back up volumes, while other applications use the data in these volumes. VSS is included with Microsoft Windows XP and Microsoft Windows Server 2003. A backup application is any Windows application that requests a snapshot taken backup using VSS. For example, the backup application Windows NT that is included with Windows is an application to ...”
Microsoft SQL Server Management Studio Express
 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 SQL Server Management Objects Collection
 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 SQL Server 2005 Backward compatibility
 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.”
SQLXML4
 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.
Compatibilidad con versiones anteriores de Microsoft SQL Server 2005
 Microsoft Corporation
4% remove
SQL Server 2005 Integration Services (SSIS) provides support for runtime and design-time and management support for packages Data Transformation Services (DTS) tools created through the object model and SQL Server 2000.
Gravador do Microsoft SQL Server VSS
 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 SQL Server VSS-skrivare
 Microsoft Corporation
5% 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 SQL Server 2005 Analysis Services OLEDB Provider
 Microsoft Corporation
5% remove
SQL Server 2005 Data Mining Content Viewer Controls
 Microsoft Corporation
2% 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:0.00004356%
0.028634%
Kernel CPU:0.00001429%
0.013761%
User CPU:0.00002927%
0.014873%
Kernel CPU time:71 ms/min
100,923,805ms/min
CPU cycles:3,826/sec
17,470,203/sec
Memory
Private memory:3.32 MB
21.59 MB
Private (maximum):7.29 MB
Private (minimum):3.56 MB
Non-paged memory:3.32 MB
21.59 MB
Virtual memory:54.38 MB
140.96 MB
Virtual memory (peak):61.09 MB
169.69 MB
Working set:4.45 MB
18.61 MB
Working set (peak):7.96 MB
37.95 MB
Page faults:8,904/min
2,039/min
I/O
I/O read transfer:4 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:2 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:10 Bytes/sec
448.09 KB/min
I/O other operations:2/sec
1,671/min
Resource allocations
Threads:4
12
Handles:100
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:0.01755699%
0.272967%
Kernel CPU:0.01755699%
0.107585%
User CPU:0.00000000%
0.165382%
CPU cycles:21,760/sec
5,741,424/sec
Memory:1.66 MB
1.16 MB
sechost.dll (Host for SCM/SDDL/LSA Lookup APIs by Microsoft)
Total CPU:0.00014917%
Kernel CPU:0.00000228%
User CPU:0.00014689%
CPU cycles:2,074/sec
Memory:124 KB
sqlwriter.exe (main module)
Total CPU:0.00007686%
Kernel CPU:0.00007555%
User CPU:0.00000131%
CPU cycles:1,038/sec
Memory:168 KB
ADVAPI32.dll
Total CPU:0.00000904%
Kernel CPU:0.00000674%
User CPU:0.00000229%
CPU cycles:166/sec
Memory:1.03 MB
RPCRT4.dll
Total CPU:0.00000852%
Kernel CPU:0.00000000%
User CPU:0.00000852%
CPU cycles:2/sec
Memory:1.26 MB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

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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