Should I block it?

No, this file is 100% safe to run.

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegSetValueExW, RegDeleteValueA, RegSetValueExA, RegOpenKeyExA, RegCloseKey, RegOpenKeyExW, RegQueryValueExW, SetSecurityDescriptorDacl, InitializeSecurityDescriptor, RegDeleteValueW, CloseServiceHandle, QueryServiceConfigW, OpenServiceW, EnumServicesStatusW, OpenSCManagerW, RegFlushKey, RegEnumValueW, DeregisterEventSource, ReportEventW, RegisterEventSourceW, RegisterServiceCtrlHandlerW, SetServiceStatus, AdjustTokenPrivileges, LookupPrivilegeValueW, OpenProcessToken, CreateServiceW, DeleteService, ControlService, StartServiceCtrlDispatcherW, RegDeleteKeyW, RegCreateKeyExW, RegEnumKeyExW, RegQueryInfoKeyW
kernel32.dll
OutputDebugStringW, FlushFileBuffers, HeapAlloc, GetThreadTimes, GetSystemTime, lstrcatW, lstrcpynW, LoadLibraryExW, GetModuleHandleW, GetCommandLineW, lstrcmpiW, GetSystemDefaultLangID, EnterCriticalSection, LeaveCriticalSection, GetCurrentThreadId, LoadLibraryW, GetProcAddress, FreeLibrary, ResetEvent, GetModuleFileNameW, HeapDestroy, HeapCreate, FindFirstVolumeW, GetDriveTypeW, FindNextVolumeW, FindVolumeClose, GlobalFree, GetVersion, GetStartupInfoW, GetModuleHandleA, HeapSize, HeapReAlloc, GetVersionExA, CompareFileTime, InterlockedDecrement, InterlockedIncrement, ReadFile, DeleteFileW, SetFilePointer, SetEndOfFile, SetThreadExecutionState, GetCurrentThread, GetThreadPriority, ResumeThread, GetSystemDirectoryW, DeviceIoControl, DisconnectNamedPipe, SetNamedPipeHandleState, QueryPerformanceCounter, CreateNamedPipeW, ConnectNamedPipe, GlobalAlloc, SetThreadPriority, GetCurrentProcess, SetPriorityClass, GetCurrentProcessId, OpenProcess, GetProcessIoCounters, SetEvent, CreateEventW, CreateThread, GetFileSize, GetFileTime, GetFileAttributesW, FindFirstFileW, FindNextFileW, FindClose, GetLocalTime, SystemTimeToFileTime, CreateFileW, SetLastError, lstrcpyW, GetComputerNameW, WaitForSingleObject, GlobalMemoryStatusEx, GetSystemInfo, FileTimeToSystemTime, GetTickCount, WriteFile, WideCharToMultiByte, MultiByteToWideChar, Sleep, GetDiskFreeSpaceW, GetVolumeInformationW, RaiseException, DeleteCriticalSection, InitializeCriticalSection, ExitProcess, LocalAlloc, LocalFree, GetLastError, GetFileInformationByHandle, CloseHandle, lstrlenW, GetSystemTimeAsFileTime, GetVersionExW, InterlockedExchange, GetACP, GetLocaleInfoA, GetThreadLocale, HeapFree, GetProcessHeap, FindResourceW, SizeofResource, LockResource, LoadResource, FindResourceExW, FlushInstructionCache
msvcp71.dll
DllMain
msvcr71.dll
DllMain
ntdll.dll
RtlCompareMemory, NtWaitForSingleObject, NtDeviceIoControlFile, NtFsControlFile, NtCreateFile, RtlInitUnicodeString, NtClose, RtlNtStatusToDosError, NtCreateEvent, _allmul, _alldiv, RtlTimeToSecondsSince1980, NtReadFile, _allshl, _aullshr, _chkstk, memcpy, memset, wcscmp, RtlUnwind, RtlSetBits, RtlFindClearBitsAndSet, RtlFindLongestRunClear, iswctype, towupper, RtlInitializeBitMap, RtlClearBits, RtlFindSetBitsAndClear, _allrem, strchr, strncpy, strncmp, _wcsnicmp, memcmp, iswalpha, wcstoul, wcschr, wcsrchr, wcsncpy, NtQueryDirectoryFile, strlen, _wtoi, tolower, toupper, NtQueryInformationFile, _wcslwr, wcsncmp, qsort, swprintf, wcsstr, _wcsicmp, wcslen, _aullrem, _aulldiv, wcscpy, wcscat
ole32.dll
CoCreateInstance, CoTaskMemFree, ProgIDFromCLSID, CoUninitialize, CoInitializeEx, CreateStreamOnHGlobal, CoRevertToSelf, CoImpersonateClient, CoMarshalInterThreadInterfaceInStream, CoGetInterfaceAndReleaseStream, GetHGlobalFromStream, CoResumeClassObjects, CoInitializeSecurity, CoSuspendClassObjects, CoTaskMemAlloc, CoTaskMemRealloc, CoRegisterClassObject, CoRevokeClassObject, StringFromGUID2
pdcommon.dll
LoadPDLang
psapi.dll
EnumProcesses
shell32.dll
Shell_NotifyIconW
shfolder.dll
SHGetFolderPathW
shlwapi.dll
PathFindExtensionW
user32.dll
ShowWindow, SetDlgItemTextW, DestroyWindow, GetParent, GetDlgItem, SetWindowPos, MapWindowPoints, GetClientRect, SystemParametersInfoW, GetWindowLongW, GetWindowRect, GetWindow, SetWindowLongW, UnregisterClassW, LoadStringW, CharLowerBuffW, CharNextW, PostThreadMessageW, DispatchMessageW, TranslateMessage, GetMessageW, PeekMessageW, LoadImageW, MessageBoxW, PostMessageW, DestroyIcon, CreateWindowExW, RegisterClassW, DefWindowProcW, PostQuitMessage, TrackPopupMenu, SetForegroundWindow, wsprintfW, CharUpperW, CharToOemW, RegisterWindowMessageW, GetSubMenu, DestroyMenu, LoadMenuW, CreateDialogParamW, SetMenuDefaultItem, GetCursorPos
Export table
_DefragCancelVerifyVolume@8
_DefragClearBootMountIntent@8
_DefragDebugMessage@8
_DefragOfflineMoveFile@40
_DefragOnlineMoveFile@28
_DefragOnlineQueryExtentInformation@24
_DefragOpenFile@20
_DefragOpenVolume@16
_DefragOpenVolumeEx@16
_DefragPDBootComplete@0
_DefragQueryAllInformation@52
_DefragQueryAllocationBitmap@24
_DefragQueryAttributeDefinitions@16
_DefragQueryAttributeName@28
_DefragQueryDllVersion@8
_DefragQueryDriverVersion@16
_DefragQueryExtentInformationEx@44
_DefragQueryFileId@12
_DefragQueryMftBitmap@28
_DefragQueryNameInformation@28
_DefragQueryNonResidentAttributes@24
_DefragQueryNtfsInfo@8
_DefragQueryVolumeState@20
_DefragReboot@0
_DefragSetBootMountIntent@12
_DefragSpecifyDebugFile@16
_DefragUnloadIntent@0
_DefragVerifyVolume@8
_DefragWaitVerifyVolume@8
_DefragZeroFile@8

PDEngine.exe

PDEngine Module by Raxco Software (Signed)

Remove PDEngine.exe
Version:   8, 0, 0, 48
MD5:   50bf7f31ba43f94ebe65875fedc4594e
SHA1:   285bbc2006008378ce6e9c4abe029cd3b27e154a
SHA256:   f5774d4cb1b6d6d67badfbdd11311360e1e31450551dd8e895fe18a78038882b

Overview

pdengine.exe runs as a service under the name PDEngine with extensive SYSTEM privileges (full administrator access). This is typically installed with the program PerfectDisk published by Raxco Software Inc.. The file is digitally signed by Raxco Software which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Microsoft Windows XP (5.1.2600.196608).

DetailsDetails

File name:pdengine.exe
Publisher:Raxco Software, Inc.
Product name:PDEngine Module
Typical file path:C:\Program Files\raxco\perfectdisk\pdengine.exe
File version:8, 0, 0, 48
Size:717.52 KB (734,736 bytes)
Certificate
Issued to:Raxco Software
Authority (CA):VeriSign
Effective date:Monday, December 4, 2006
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 7.1
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
Raxco Software Inc.
18% remove
Every time you use your computer, even when it's brand new, the files on your PC or laptop will continuously become fragmented. This means that these files are split into millions of pieces, and this occurs even more so when you go to add, modify and delete them. So when you go to access a file--even just to read it--it will take much longer than necessary because Windows has to first find each piece of the file before you can even see ...

BehaviorsBehaviors

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

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00025249%
0.028634%
Kernel CPU:0.00017316%
0.013761%
User CPU:0.00007933%
0.014873%
Kernel CPU time:74,266 ms/min
100,923,805ms/min
Context switches:5/sec
284/sec
Memory
Private memory:2.26 MB
21.59 MB
Private (maximum):6.25 MB
Private (minimum):1.35 MB
Non-paged memory:2.26 MB
21.59 MB
Virtual memory:54.45 MB
140.96 MB
Virtual memory (peak):54.74 MB
169.69 MB
Working set:1.39 MB
18.61 MB
Working set (peak):6.25 MB
37.95 MB
Resource allocations
Threads:9
12
Handles:142
600
GUI GDI count:14
103
GUI USER count:10
49

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command line:"C:\Program Files\raxco\perfectdisk\pdengine.exe"
Owner:SYSTEM
Windows Service
Service name:PDEngine
Description:“PerfectDisk's defrag engine”
Type:Win32OwnProcess, InteractiveProcess
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
PDEngine.exe (main module)
Total CPU:0.06650814%
0.272967%
Kernel CPU:0.05382723%
0.107585%
User CPU:0.01268090%
0.165382%
Context switches:2/sec
79/sec
Memory:716 KB
1.16 MB
advapi32.dll (Advanced Windows 32 Base API by Microsoft)
Total CPU:0.00010656%
Kernel CPU:0.00007992%
User CPU:0.00002664%
Memory:620 KB
sqlite3.dll (PerfectDisk)
Total CPU:0.00010656%
Kernel CPU:0.00002664%
User CPU:0.00007992%
Memory:352 KB

Common loaded modules

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

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Intel 100.00%
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