Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

7.1.3001.0 2.44%
7.0.8100.0 1.22%
7.0.3013.0 3.66%
7.0.3012.0 3.66%
7.0.3011.0 3.66%
7.0.3007.0 3.66%
7.0.3006.0 14.63%
7.0.3003.0 3.66%
6, 1, 3000, 0 1.22%
6, 0, 3010, 0 3.66%
6, 0, 3008, 0 3.66%
6, 0, 3008, 0 7.32%
6, 0, 3007, 0 2.44%
6, 0, 3007, 0 2.44%
6, 0, 3006, 0 6.10%
6, 0, 3004, 0 2.44%
6, 0, 3000, 0 1.22%
5, 0, 3009, 0 1.22%
5, 0, 3009, 0 2.44%
5, 0, 3005, 0 8.54%
5, 0, 3003, 0 1.22%
5, 0, 3002, 0 4.88%
4, 5, 3004, 0 10.98%
4, 5, 3004, 0 2.44%
4, 5, 3002, 0 1.22%

Relationships


PE structurePE file structure

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

SysHook.dll

Power Management by Acer Incorporated (Signed)

Remove SysHook.dll
Version:   4, 5, 3004, 0
MD5:   d463b9eba6b011d60480c47402466ded
SHA1:   85fa4da80732e121060577b5448f03dbc93b38de
SHA256:   9a961eae65134d308abad87d3e3f03d03a960a34a3c9c3f326501f480c5f6640

Overview

syshook.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Acer ePower Management published by Acer Incorporated, eMachines Power Management from Acer Incorporated and eMachines Power Management by Acer Incorporated. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by Acer Incorporated which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:syshook.dll
Publisher:Acer Incorporated
Product name:Power Management
Description:SysHook Dynamic Link Library
Typical file path:C:\Program Files\acer\acer epower management\syshook.dll
File version:4, 5, 3004, 0
Size:210.53 KB (215,584 bytes)
Certificate
Issued to:Acer Incorporated
Authority (CA):VeriSign
Effective date:Wednesday, July 25, 2007
Expiration date:Wednesday, September 15, 2010
Digital DNA
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

ResourcesPrograms

The following programs will install this file
Acer Incorporated
5% remove
Acer ePower Management is pre-installed with various Acer laptops and is designed to maximize your PC's power utilization and performance.
Acer Incorporated
7% remove
eMachines Power Management is pre-installed with various eMachine laptops and is designed to maximize your PC's power utilization and performance.
Gateway Incorporated
4% remove
OnNow is a new standard for PC's Power Management. Your PC can select between On, Standby, Sleep and Hibernation Mode if there is no activity. If you have a laptop, these chioces will help you conserve battery. Click Start - Settings - Control Panel. Double-click the Power management Icon. Select laptop from the list of Power Schemes. You can setup the Standby time to your convenience using the Standby Time list. You should select betwe...
Packard Bell
9% remove
The Packard Bell Power Management program is included by default with most new Packard Bell computers.

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 47.56%
Windows 8 25.61%
Windows 7 Starter 6.10%
Windows 7 Home Basic 4.88%
Windows 8.1 4.88%
Windows 8.1 Single Language 3.66%
Windows 8 Single Language 2.44%
Windows 7 Ultimate 2.44%
Windows 7 Professional 1.22%
Windows 8 Pro 1.22%

Distribution by countryDistribution by country

United States installs about 43.90% of Power Management.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 98.36%
Hewlett-Packard 1.64%
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