Should I block it?

No, this file is 100% safe to run.

Relationships

Child process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegQueryValueExA, RegOpenKeyExA, RegCloseKey, RegSetValueExA, RegQueryValueExW, RegQueryInfoKeyA, RegOpenKeyExW, RegFlushKey, RegEnumKeyExA, RegDeleteValueA, RegDeleteKeyA, RegCreateKeyExA, OpenThreadToken, OpenProcessToken, IsValidSid, GetTokenInformation, GetSidSubAuthorityCount, GetSidSubAuthority, FreeSid, EqualSid, AllocateAndInitializeSid, StartServiceA, QueryServiceStatus, QueryServiceConfigA, OpenServiceA, OpenSCManagerA, ControlService, CloseServiceHandle
comctl32.dll
_TrackMouseEvent, ImageList_SetIconSize, ImageList_GetIconSize, ImageList_Write, ImageList_Read, ImageList_GetDragImage, ImageList_DragShowNolock, ImageList_DragMove, ImageList_DragLeave, ImageList_DragEnter, ImageList_EndDrag, ImageList_BeginDrag, ImageList_LoadImageA, ImageList_GetIcon, ImageList_Remove, ImageList_DrawEx, ImageList_Replace, ImageList_Draw, ImageList_GetBkColor, ImageList_SetBkColor, ImageList_ReplaceIcon, ImageList_Add, ImageList_SetImageCount, ImageList_GetImageCount, ImageList_Destroy, ImageList_Create, InitCommonControls
comdlg32.dll
ChooseFontA, FindTextA, ChooseColorA, GetSaveFileNameA, GetOpenFileNameA
gdi32.dll
UnrealizeObject, StretchDIBits, StretchBlt, StartPage, StartDocA, SetWindowOrgEx, SetWindowExtEx, SetWinMetaFileBits, SetViewportOrgEx, SetViewportExtEx, SetTextColor, SetStretchBltMode, SetROP2, SetPixel, SetPaletteEntries, SetMapMode, SetEnhMetaFileBits, SetDIBColorTable, SetBrushOrgEx, SetBkMode, SetBkColor, SetAbortProc, SelectPalette, SelectObject, SelectClipRgn, SaveDC, RoundRect, RestoreDC, ResizePalette, Rectangle, RectVisible, RealizePalette, Polyline, Polygon, PolyPolyline, PlayEnhMetaFile, PatBlt, MoveToEx, MaskBlt, LineTo, LPtoDP, IntersectClipRect, GetWindowOrgEx, GetWinMetaFileBits, GetViewportOrgEx, GetTextMetricsA, GetTextExtentPointA, GetTextExtentPoint32A, GetTextColor, GetSystemPaletteEntries, GetStockObject, GetRgnBox, GetPixel, GetPaletteEntries, GetObjectA, GetNearestPaletteIndex, GetNearestColor, GetMapMode, GetEnhMetaFilePaletteEntries, GetEnhMetaFileHeader, GetEnhMetaFileDescriptionA, GetEnhMetaFileBits, GetDeviceCaps, GetDIBits, GetDIBColorTable, GetDCOrgEx, GetCurrentPositionEx, GetClipRgn, GetClipBox, GetBrushOrgEx, GetBitmapBits, GdiFlush, FrameRgn, FillRgn, ExtTextOutA, ExtFloodFill, ExtCreatePen, ExcludeClipRect, EndPage, EndDoc, Ellipse, DeleteObject, DeleteMetaFile, DeleteEnhMetaFile, DeleteDC, CreateSolidBrush, CreateRoundRectRgn, CreateRectRgnIndirect, CreateRectRgn, CreatePolygonRgn, CreatePenIndirect, CreatePalette, CreateICA, CreateHalftonePalette, CreateFontIndirectW, CreateFontIndirectA, CreateEnhMetaFileA, CreateDIBitmap, CreateDIBSection, CreateDCA, CreateCompatibleDC, CreateCompatibleBitmap, CreateBrushIndirect, CreateBitmap, CopyEnhMetaFileA, CombineRgn, CloseEnhMetaFile, BitBlt
kernel32.dll
GetACP, Sleep, VirtualFree, VirtualAlloc, GetTickCount, QueryPerformanceCounter, GetCurrentThreadId, InterlockedDecrement, InterlockedIncrement, VirtualQuery, WideCharToMultiByte, SetCurrentDirectoryA, MultiByteToWideChar, lstrlenA, lstrcpynA, LoadLibraryExA, GetThreadLocale, GetStartupInfoA, GetProcAddress, GetModuleHandleA, GetModuleFileNameA, GetLocaleInfoA, GetLastError, GetCurrentDirectoryA, GetCommandLineA, FreeLibrary, FindFirstFileA, FindClose, ExitProcess, ExitThread, CreateThread, CompareStringA, WriteFile, UnhandledExceptionFilter, SetFilePointer, SetEndOfFile, RtlUnwind, ReadFile, RaiseException, GetStdHandle, GetFileSize, GetFileType, CreateFileA, CloseHandle, TlsSetValue, TlsGetValue, LocalAlloc, lstrcpyA, lstrcmpA, WritePrivateProfileStringA, WinExec, WaitForSingleObject, VirtualProtect, UnmapViewOfFile, TerminateProcess, SuspendThread, SleepEx, SizeofResource, SetThreadPriority, SetThreadLocale, SetPriorityClass, SetLastError, SetEvent, SetErrorMode, ResumeThread, ResetEvent, ReleaseMutex, QueryPerformanceFrequency, QueryDosDeviceA, OpenProcess, OpenFileMappingA, OpenFile, MulDiv, MapViewOfFile, LockResource, LocalFree, LoadResource, LoadLibraryA, LeaveCriticalSection, IsValidLocale, InitializeCriticalSection, GlobalUnlock, GlobalSize, GlobalMemoryStatus, GlobalHandle, GlobalLock, GlobalFree, GlobalFindAtomA, GlobalDeleteAtom, GlobalAlloc, GlobalAddAtomA, GetWindowsDirectoryA, GetVolumeInformationA, GetVersionExA, GetVersion, GetUserDefaultLCID, GetThreadPriority, GetSystemTime, GetSystemInfo, GetStringTypeExA, GetProfileStringA, GetProfileIntA, GetProcessTimes, GetPrivateProfileStringA, GetLogicalDrives, GetLocaleInfoW, GetLocalTime, GetFullPathNameA, GetFileTime, GetFileAttributesA, GetExitCodeThread, GetDriveTypeA, GetDiskFreeSpaceA, GetDateFormatA, GetCurrentThread, GetCurrentProcessId, GetCurrentProcess, GetComputerNameA, GetCPInfo, FreeResource, InterlockedExchange, InterlockedCompareExchange, FormatMessageA, FindResourceA, FindNextFileA, FileTimeToLocalFileTime, FileTimeToDosDateTime, ExpandEnvironmentStringsA, EnumSystemLocalesA, EnumCalendarInfoA, EnterCriticalSection, DeleteFileA, DeleteCriticalSection, CreateFileMappingA, CreateEventA, CreateDirectoryA, CompareStringW, CreateMutexA, GetSystemDefaultUILanguage
mpr.dll
WNetGetConnectionA
ole32.dll
CreateStreamOnHGlobal, CreateILockBytesOnHGlobal, OleGetIconOfClass, IsAccelerator, OleDraw, OleSetMenuDescriptor, OleUninitialize, OleInitialize, CreateBindCtx, StgCreateDocfileOnILockBytes, CoTaskMemFree, CoTaskMemAlloc, CoCreateGuid, ProgIDFromCLSID, StringFromCLSID, CoCreateInstance, CoGetClassObject, CoUninitialize, CoInitialize, IsEqualGUID, CLSIDFromString
oleacc.dll
ObjectFromLresult
oleaut32.dll
SysFreeString, SysReAllocStringLen, SysAllocStringLen, GetErrorInfo, GetActiveObject, SafeArrayPtrOfIndex, SafeArrayPutElement, SafeArrayGetElement, SafeArrayUnaccessData, SafeArrayAccessData, SafeArrayGetUBound, SafeArrayGetLBound, SafeArrayCreate, VariantChangeType, VariantCopyInd, VariantCopy, VariantClear, VariantInit
oledlg.dll
OleUIObjectPropertiesA
shell32.dll
Shell_NotifyIconA, ShellExecuteExA, ShellExecuteA, SHGetFileInfoA, SHAppBarMessage, ExtractIconExA, ExtractIconA, DragQueryFileA, DragFinish, DragAcceptFiles, SHGetSpecialFolderLocation, SHGetPathFromIDListA, SHGetMalloc, SHGetDesktopFolder, SHBrowseForFolderA
user32.dll
GetKeyboardType, DestroyWindow, LoadStringA, MessageBoxA, CharNextA, DllMain
version.dll
VerQueryValueA, GetFileVersionInfoSizeA, GetFileVersionInfoA
wininet.dll
InternetGetConnectedState, InternetReadFile, InternetOpenUrlA, InternetOpenA, InternetCloseHandle
winmm.dll
timeGetTime, sndPlaySoundA
winspool.drv
OpenPrinterA, EnumPrintersA, DocumentPropertiesA, ClosePrinter

ckeyboard.exe

Comfort On-Screen Keyboard Pro by Comfort Software Group (Signed)

Remove ckeyboard.exe
Version:   7.0.2.0
MD5:   a7f1fdcae0ef091c2fc626e3c5c93d33
SHA1:   8987a2d0f0ad740a35e528a9782f6e1448c2ad8e

Overview

ckeyboard.exe executes as a process with the local user's privileges. It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). This is typically installed with the program Comfort On-Screen Keyboard Pro 7.0.2.0 published by Comfort Software Group. The file is digitally signed by Comfort Software Group which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 7 Ultimate (6.1.7600.65536).

DetailsDetails

File name:ckeyboard.exe
Publisher:Comfort Software Group
Product name:Comfort On-Screen Keyboard Pro
Typical file path:C:\Program Files\comfortkeyboard\ckeyboard.exe
File version:7.0.2.0
Product version:7.0
Size:3.97 MB (4,164,520 bytes)
Certificate
Issued to:Comfort Software Group
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
Comfort Software Group
20% remove
Comfort On-Screen Keyboard Pro is an application displaying a unique virtual keyboard on the screen and allowing you use the mouse pointer to type the way you do it with the regular keyboard. Ideal for using on Ultra-Mobile PC (UMPC), Tablet PC and kiosk. Why do you particularly need Comfort On-Screen Keyboard Pro? Comfort On-Screen Keyboard Pro supports all characteristics of the regular keyboard (for instance, repeated keystrokes when...

BehaviorsBehaviors

Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'CKeyboard' → C:\Program Files\ComfortKeyboard\CKeyboard.exe

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00429690%
0.028634%
Kernel CPU:0.00329020%
0.013761%
User CPU:0.00100670%
0.014873%
Kernel CPU time:4,820 ms/min
100,923,805ms/min
Context switches:239/sec
284/sec
Memory
Private memory:12.57 MB
21.59 MB
Private (maximum):16.39 MB
Private (minimum):15.57 MB
Non-paged memory:12.57 MB
21.59 MB
Virtual memory:99.35 MB
140.96 MB
Virtual memory (peak):102.36 MB
169.69 MB
Working set:16.38 MB
18.61 MB
Working set (peak):17.14 MB
37.95 MB
Resource allocations
Threads:4
12
Handles:208
600
GUI GDI count:335
103
GUI GDI peak:343
142
GUI USER count:147
49
GUI USER peak:153
71

BehaviorsProcess properties

Integrety level:High
Platform:32-bit
Command line:"C:\Program Files\comfortkeyboard\ckeyboard.exe"
Owner:User
Parent process:explorer.exe (Windows Explorer by Microsoft Corporation)

ResourcesThreads

Averages
 
CKeyboard.exe (main module)
Total CPU:0.11458884%
0.272967%
Kernel CPU:0.07774764%
0.107585%
User CPU:0.03684120%
0.165382%
CPU cycles:12,434,230/sec
5,741,424/sec
Context switches:238/sec
79/sec
Memory:4.02 MB
1.16 MB
winmm.dll
Total CPU:0.00282661%
Kernel CPU:0.00282661%
User CPU:0.00000000%
CPU cycles:91,589/sec
Memory:200 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
Windows 7 Ultimate 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 100.00%
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