Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

3.0.0.7465 50.00%
3.0.0.7465 50.00%
(Note, Systweak Software publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegDeleteKeyW, RegQueryValueW, RegOpenKeyW, RegCreateKeyExW, RegOpenKeyExW, RegQueryValueExW, SetServiceStatus, RegisterServiceCtrlHandlerW, StartServiceCtrlDispatcherW, RegDeleteValueW, DeleteService, QueryServiceStatus, ControlService, OpenServiceW, RegCloseKey, RegSetValueExW, RegCreateKeyW, CloseServiceHandle, CreateServiceW, OpenSCManagerW, RegEnumKeyW
gdi32.dll
GetStockObject, SetViewportExtEx, DeleteDC, ScaleWindowExtEx, SetWindowExtEx, SetBkColor, RestoreDC, SaveDC, CreateBitmap, GetDeviceCaps, OffsetViewportOrgEx, SetViewportOrgEx, SelectObject, Escape, ExtTextOutW, TextOutW, RectVisible, PtVisible, DeleteObject, GetClipBox, SetMapMode, SetTextColor, ScaleViewportExtEx
kernel32.dll
GetStartupInfoW, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, HeapAlloc, HeapFree, RtlUnwind, RaiseException, HeapReAlloc, ExitProcess, HeapSize, GetStdHandle, GetModuleFileNameA, FreeEnvironmentStringsW, GetEnvironmentStringsW, SetHandleCount, GetFileType, HeapCreate, VirtualFree, QueryPerformanceCounter, GetTickCount, GetSystemTimeAsFileTime, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, LCMapStringW, VirtualAlloc, InitializeCriticalSectionAndSpinCount, GetConsoleCP, GetConsoleMode, LCMapStringA, GetStringTypeA, GetStringTypeW, GetLocaleInfoA, SetStdHandle, WriteConsoleA, GetConsoleOutputCP, WriteConsoleW, CreateFileA, GetCurrentProcess, FlushFileBuffers, SetFilePointer, WriteFile, GlobalFindAtomW, LoadLibraryW, LoadLibraryA, GetVersionExA, GlobalAddAtomW, GlobalFlags, GetModuleHandleA, WritePrivateProfileStringW, lstrlenA, TlsFree, LocalReAlloc, TlsSetValue, TlsAlloc, GlobalHandle, GlobalReAlloc, TlsGetValue, LocalAlloc, GetCurrentProcessId, InterlockedDecrement, InterlockedIncrement, SetErrorMode, GlobalDeleteAtom, GetCurrentThreadId, ConvertDefaultLocale, EnumResourceLanguagesW, lstrcmpA, GetLocaleInfoW, LoadLibraryExW, InterlockedExchange, lstrcmpW, FreeLibrary, GetProcAddress, MultiByteToWideChar, WideCharToMultiByte, SetLastError, GlobalFree, GlobalAlloc, GlobalLock, GlobalUnlock, FormatMessageW, LocalFree, GetThreadPriority, lstrlenW, GetVersionExW, GetModuleFileNameW, ResumeThread, SuspendThread, SetEvent, CreateEventW, GetExitCodeThread, CreateThread, GetCurrentThread, SetThreadPriority, ResetEvent, GetModuleHandleW, GetCommandLineW, GetLocalTime, DeleteCriticalSection, InitializeCriticalSection, FindClose, FindNextFileW, LeaveCriticalSection, EnterCriticalSection, FindFirstFileW, FindResourceW, LoadResource, LockResource, SizeofResource, GetFileSizeEx, CloseHandle, CreateFileW, Sleep, WaitForSingleObject, GetLastError, GetDiskFreeSpaceW, GetVolumeInformationW, DeviceIoControl, GetStartupInfoA
rpcrt4.dll
NdrServerCall2, RpcMgmtStopServerListening, RpcServerListen, RpcServerRegisterAuthInfoW, RpcServerRegisterIf, RpcServerUseProtseqEpW
shlwapi.dll
PathFindFileNameW, PathFindExtensionW
user32.dll
DestroyMenu, ShowWindow, RegisterWindowMessageW, LoadIconW, WinHelpW, GetCapture, GetClassLongW, SetPropW, GetPropW, RemovePropW, IsWindow, GetForegroundWindow, GetDlgItem, GetTopWindow, DestroyWindow, GetMessageTime, GetMessagePos, MapWindowPoints, SetMenu, SetForegroundWindow, GetClientRect, CreateWindowExW, GetClassInfoExW, GetClassInfoW, RegisterClassW, AdjustWindowRectEx, DefWindowProcW, CallWindowProcW, CopyRect, GetMenu, SetWindowLongW, SetWindowPos, SystemParametersInfoA, IsIconic, GetWindowPlacement, GetWindow, MessageBoxW, GetSubMenu, GetMenuItemCount, GetDlgCtrlID, GetWindowRect, GetClassNameW, PtInRect, SetWindowTextW, ClientToScreen, GrayStringW, DrawTextExW, DrawTextW, TabbedTextOutW, SetCursor, SetMenuItemBitmaps, GetMenuCheckMarkDimensions, LoadBitmapW, GetFocus, ModifyMenuW, GetMenuItemID, GetMenuState, PostQuitMessage, PostMessageW, GetSysColorBrush, GetSysColor, ReleaseDC, GetDC, GetSystemMetrics, LoadCursorW, UnhookWindowsHookEx, EnableWindow, IsWindowEnabled, GetLastActivePopup, GetWindowLongW, GetParent, SendMessageW, EnableMenuItem, CheckMenuItem, SetWindowsHookExW, CallNextHookEx, GetMessageW, TranslateMessage, DispatchMessageW, GetActiveWindow, IsWindowVisible, GetKeyState, PeekMessageW, GetCursorPos, ValidateRect, GetWindowTextW, GetWindowThreadProcessId
winspool.drv
DocumentPropertiesW, OpenPrinterW, ClosePrinter

dsudefragsrv.exe

Systweak Disk Speedup by Systweak Software (Signed)

Remove dsudefragsrv.exe
Version:   3.0.0.7465
MD5:   35050057f6ad6d92a549eb7f3ac5dd4e
SHA1:   1788308703d45ccfd7d985cfc5ff639874803ecc
SHA256:   976d23818043b07aa8c788c01ec7a80e75ef3b0edaa78aa21c4c1daf87033fe3

Overview

dsudefragsrv.exe runs as a service under the name DSUDiskOptimizer within the local user context. This is typically installed with the program Disk Speedup published by Systweak Inc and is most likely removed by most users once installed (59% removed). The file is digitally signed by Systweak Software which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:dsudefragsrv.exe
Publisher:Systweak Inc., (www.systweak.com)
Product name:Systweak Disk Speedup
Description:Disk Speedup - Defrag Service
Typical file path:C:\Program Files\disk speedup\dsudefragsrv.exe
File version:3.0.0.7465
Size:653.79 KB (669,480 bytes)
Build date:6/6/2013 2:35 AM
Certificate
Issued to:Systweak Software
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
Systweak Inc
  59% remove
The software is bundled by various adware bundlers as well as with some versions of Reg Clean pro.

BehaviorsBehaviors

Service
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'DSUDiskOptimizer'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00177997%
0.028634%
Kernel CPU:0.00083881%
0.013761%
User CPU:0.00094116%
0.014873%
Kernel CPU time:4,602,030 ms/min
100,923,805ms/min
CPU cycles:152,682/sec
17,470,203/sec
Memory
Private memory:2.07 MB
21.59 MB
Private (maximum):282 KB
Private (minimum):282 KB
Non-paged memory:2.07 MB
21.59 MB
Virtual memory:42.26 MB
140.96 MB
Virtual memory (peak):44.35 MB
169.69 MB
Working set:326 KB
18.61 MB
Working set (peak):5.3 MB
37.95 MB
Page faults:6,350/min
2,039/min
I/O
I/O read transfer:201 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O other transfer:8 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:6
12
Handles:175
600

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command line:"C:\Program Files\disk speedup\dsudefragsrv.exe"
Owner:User
Windows Service
Service name:DSUDiskOptimizer
Type:Win32OwnProcess
Parent process:services.exe (Services and Controller app by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.00%
Microsoft Windows XP 50.00%

Distribution by countryDistribution by country

Canada installs about 50.00% of Systweak Disk Speedup.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 50.00%
Compaq 50.00%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

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