Should I block it?

No, this file is 100% safe to run.

Relationships

Parent process
Child process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegQueryValueA, RegEnumKeyA, RegOpenKeyA, RegQueryInfoKeyA, RegEnumKeyExA, RegDeleteValueA, RegSetValueExA, RegQueryValueExA, RegOpenKeyExA, RegCreateKeyExA, RegCloseKey, RegDeleteKeyA
comdlg32.dll
GetFileTitleA
gdi32.dll
SetViewportOrgEx, OffsetViewportOrgEx, SetViewportExtEx, ScaleViewportExtEx, SetWindowExtEx, ScaleWindowExtEx, ExtSelectClipRgn, DeleteDC, SelectObject, CreateRectRgnIndirect, GetRgnBox, GetMapMode, GetWindowExtEx, GetViewportExtEx, Escape, ExtTextOutA, SetBkColor, SetTextColor, GetClipBox, GetDeviceCaps, GetTextExtentPointA, TextOutA, RectVisible, CreateFontIndirectA, GetObjectA, CreateRectRgn, DeleteObject, SetMapMode, SetBkMode, RestoreDC, SaveDC, GetTextColor, GetBkColor, GetStockObject, CreateBitmap, PtVisible
kernel32.dll
DllMain
ole32.dll
CoTaskMemAlloc, CoRevokeClassObject, CoTaskMemFree, CoInitialize, CoCreateInstance, CoGetClassObject, OleUninitialize, CoFreeUnusedLibraries, OleInitialize, CLSIDFromProgID, CLSIDFromString, CreateILockBytesOnHGlobal, StgCreateDocfileOnILockBytes, StgOpenStorageOnILockBytes, CoRegisterMessageFilter, OleFlushClipboard, OleIsCurrentClipboard
shell32.dll
FindExecutableA, ShellExecuteA
shlwapi.dll
PathFindFileNameA, PathStripToRootA, PathFindExtensionA, PathIsUNCA
user32.dll
UnregisterClassA, SetCapture, ReleaseCapture, PostThreadMessageA, CopyAcceleratorTableA, IsRectEmpty, SetRect, InvalidateRgn, GetNextDlgGroupItem, MessageBeep, CharNextA, GetDesktopWindow, CreateDialogIndirectParamA, GetNextDlgTabItem, EndDialog, SetWindowContextHelpId, MapDialogRect, RegisterClipboardFormatA, IsWindowEnabled, SetWindowTextA, IsDialogMessageA, SetDlgItemTextA, SetMenuItemBitmaps, GetMenuCheckMarkDimensions, LoadBitmapA, ModifyMenuA, EnableMenuItem, CheckMenuItem, LoadIconA, SendDlgItemMessageA, WinHelpA, IsChild, GetCapture, GetClassLongA, GetClassNameA, SetPropA, GetPropA, RemovePropA, GetFocus, IsWindow, GetLastActivePopup, DestroyMenu, GetDlgItem, GetTopWindow, DestroyWindow, UnhookWindowsHookEx, GetMessageTime, GetMessagePos, MapWindowPoints, GetMenu, CreateWindowExA, GetClassInfoExA, RegisterClassA, GetSysColor, AdjustWindowRectEx, EqualRect, CopyRect, PtInRect, GetDlgCtrlID, IntersectRect, SystemParametersInfoA, IsIconic, GetWindowPlacement, GetSystemMetrics, GetWindow, GetMenuState, GetMenuItemID, GetMenuItemCount, GetSubMenu, SetWindowsHookExA, CallNextHookEx, GetMessageA, TranslateMessage, DispatchMessageA, GetActiveWindow, IsWindowVisible, GetKeyState, PeekMessageA, ValidateRect, SetWindowLongA, GetWindowTextLengthA, GetWindowTextA, GetDC, ReleaseDC, OpenClipboard, GetClipboardData, CloseClipboard, CallWindowProcA, GetCursorPos, SetCursor, ClientToScreen, GetClientRect, ScreenToClient, MoveWindow, GetWindowLongA, ShowWindow, GetForegroundWindow, SetForegroundWindow, GetSysColorBrush, EndPaint, BeginPaint, GetWindowDC, GrayStringA, DrawTextExA, DrawTextA, TabbedTextOutA, SetActiveWindow, InvalidateRect, OffsetRect, SendMessageA, SetFocus, MessageBoxA, GetParent, GetWindowRect, SetWindowPos, MsgWaitForMultipleObjects, PostQuitMessage, LoadCursorA, RegisterClassExA, RegisterWindowMessageA, DefWindowProcA, FindWindowA, GetWindowThreadProcessId, CharUpperA, GetClassInfoA, EnableWindow, UpdateWindow, BringWindowToTop, SetWindowRgn, PostMessageA
wininet.dll
InternetAutodialHangup, InternetOpenA, InternetConnectA, HttpOpenRequestA, HttpSendRequestA, HttpQueryInfoA, InternetQueryDataAvailable, InternetReadFile, InternetGetConnectedState, InternetCloseHandle, InternetAutodial, InternetErrorDlg
winspool.drv
ClosePrinter, DocumentPropertiesA, OpenPrinterA

pdfpro5hook.exe

Nuance PDF Products by Nuance Communications (Signed)

Remove pdfpro5hook.exe
Version:   5.2.10155.1822
MD5:   9f0acaa725cf5a391af7e2067ae45746
SHA1:   a5d6f600f297a3284814508cf9259bc9d8a4d0c0
SHA256:   ca7f3c2c9d4dcb135ecbffeb3448d272552b5db720e0a526b4ac07b1f5e8bc9e

Overview

pdfpro5hook.exe executes as a process with the local user's privileges usually within the context of Windows Explorer. It is set to be start when the PC boots and any user logs into Windows (added to the Run registry key for the all users under the local machine). It is installed with a couple of know programs including Nuance PDF Viewer Plus published by Nuance Communications Inc., Dell 1355cn/1355cnw Color MFP from Dell Inc. and Dell 1355cn/1355cnw Color MFP by Dell Inc.. The file is digitally signed by Nuance Communications which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:pdfpro5hook.exe
Publisher:Nuance Communications, Inc.
Product name:Nuance PDF Products
Description:PdfCreateHook Application
Typical file path:C:\Program Files\nuance\pdf viewer plus\pdfpro5hook.exe
Original name:PdfCreateHook.EXE
File version:5.2.10155.1822
Product version:5.2
Size:621.28 KB (636,192 bytes)
Certificate
Issued to:Nuance Communications
Authority (CA):VeriSign
Effective date:Sunday, June 1, 2008
Expiration date:Tuesday, July 5, 2011
Digital DNA
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Dell Inc.
9% remove
This is the Dell 1355cnw A02 service software web package for Win XP, Win 7 and Vista 32-bit and 64-bit OS for supported languages.
Nuance Communications Inc.
3% remove
Get ready to rethink your choice of free PDF reader. Nuance PDF Reader enables you to do much more than just view PDF files. You can convert PDF files to Word, Excel, and RTF via a hosted web service. Use annotation tools to highlight, cross-out, and underline text for more effective collaboration. Even fill out and save PDF forms. Nuance PDF Reader takes up less disk space, is more secure than Adobe Reader, and works with virtually any...
OfficeDrop
5% remove
See for yourself why PaperPort Professional 14 is the most productive desktop document management solution available. And now, PaperPort Professional 14 delivers anytime-anywhere access to files stored in the cloud. PaperPort delivers the efficiency of desktop document management, scans documents perfectly, and creates PDF documents – all in one easy-to-use document management tool. And now with PaperPort Anywhere® (free with PaperPort)...

BehaviorsBehaviors

Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'PDFHook' → C:\Program Files\Nuance\PDF Viewer Plus\pdfpro5hook.exe

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00001455%
0.028634%
Kernel CPU:0.00000939%
0.013761%
User CPU:0.00000516%
0.014873%
Kernel CPU time:41 ms/min
100,923,805ms/min
CPU cycles:3,152/sec
17,470,203/sec
Memory
Private memory:1.87 MB
21.59 MB
Private (maximum):4.85 MB
Private (minimum):2.63 MB
Non-paged memory:1.87 MB
21.59 MB
Virtual memory:69.45 MB
140.96 MB
Virtual memory (peak):70.89 MB
169.69 MB
Working set:3.01 MB
18.61 MB
Working set (peak):5.79 MB
37.95 MB
Page faults:2,528/min
2,039/min
I/O
I/O read transfer:9 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O other transfer:0 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:2
12
Handles:80
600
GUI GDI count:11
103
GUI GDI peak:12
142
GUI USER count:6
49
GUI USER peak:7
71

BehaviorsProcess properties

Integrety level:Medium
Platform:64-bit
Command line:"C:\Program Files\nuance\pdf viewer plus\pdfpro5hook.exe"
Owner:User
Parent process:explorer.exe (Windows Explorer by Microsoft Corporation)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 42.11%
Windows 7 Professional 21.05%
Windows 7 Ultimate 10.53%
Windows 8.1 10.53%
Windows Vista Home Premium 10.53%
Windows 8 Pro with Media Center 5.26%

Distribution by countryDistribution by country

United States installs about 68.42% of Nuance PDF Products.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
ASUS 33.33%
Sony 33.33%
GIGABYTE 16.67%
Hewlett-Packard 16.67%
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