Should I block it?

No, this file is 100% safe to run.

Additional versions

1.0.0.137	11.11%
1.0.0.41	16.67%
1.0.0.28	5.56%
1.0.0.19	5.56%
1.0.0.11	11.11%
1.0.0.1	16.67%
1.0.0.1	33.33%

Relationships

PE file structure

Show functions

Import table

kernel32.dll

LeaveCriticalSection, EnterCriticalSection, GetProcessHeap, HeapSize, GetCurrentProcess, GetModuleHandleW, GetTickCount, GetVersionExW, MultiByteToWideChar, GetProcAddress, GetSystemInfo, InterlockedIncrement, InterlockedDecrement, DisableThreadLibraryCalls, GetLastError, CloseHandle, Sleep, LocalAlloc, FindResourceExW, FindResourceW, LoadResource, OpenProcess, SizeofResource, LockResource, GetCurrentProcessId, DeleteCriticalSection, InitializeCriticalSection, InterlockedExchange, LoadLibraryA, RaiseException, InterlockedCompareExchange, TerminateProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, QueryPerformanceCounter, GetCurrentThreadId, GetSystemTimeAsFileTime, HeapDestroy, HeapAlloc, HeapFree, HeapReAlloc, FreeLibrary, GetDateFormatW, SystemTimeToFileTime, WideCharToMultiByte, GetTimeFormatW, FileTimeToSystemTime, GetLocalTime, GetModuleFileNameW, lstrlenW, lstrcpyW, WaitForSingleObject, CreateRemoteThread, GetExitCodeProcess, SetLastError, DuplicateHandle, LocalFree, FormatMessageW

msvcp90.dll

DllMain

msvcr90.dll

DllMain

rpcrt4.dll

RpcStringFreeW, UuidToStringW, UuidCreate

user32.dll

MessageBeep

Export table

GetFactory

GetObjectCount

TestWorker.dll

TestWorker Dynamic Link Library by Symantec Corporation (Signed)

Remove TestWorker.dll

Version:	1.0.0.28
MD5:	b107a578f4b7af7828d6075072329d23
SHA1:	343f7d5ff41fdd2b965591c3fc80683724168a43
SHA256:	fff73ea5dfac22c37c4a95ea94d8d28b6327932e41818f8981aaf29c4a4caaa3

Overview

testworker.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 Norton PC Checkup published by Symantec Corporation, Norton PC Checkup from Symantec Corporation and Norton PC Checkup by Symantec Corporation. The file is digitally signed by Symantec Corporation which was issued by the VeriSign certificate authority (CA).

Details

File name:	testworker.dll
Publisher:	Symantec Corporation
Product name:	TestWorker Dynamic Link Library
Typical file path:	C:\Program Files\norton pc checkup\engine\2.0.17.20\testworker.dll
File version:	1.0.0.28
Product version:	1.0
Size:	31.43 KB (32,184 bytes)
Certificate
Issued to:	Symantec Corporation
Authority (CA):	VeriSign
Effective date:	Tuesday, September 7, 2010
Expiration date:	Saturday, November 23, 2013
Digital DNA
PE subsystem:	Windows GUI
File packed:	No
Code language:	Microsoft Visual C++ 9.0
.NET CLR:	No

More details

Programs

The following programs will install this file

Norton PC Checkup

Symantec Corporation

52% remove

Norton PC Checkup is a program downloaded either separately or as a bundle with updates to Adobe Flash, provided to enable users to perform a system checkup of their Microsoft Windows based personal computers.

Toshiba Laptop Checkup

Symantec Corporation

21% remove

“Laptop Checkup will check for issues that may be slowing down your laptop. Data, photos and music files that need backup. Viruses, spyware, malware and other threats. Not all utilities are available for every model and operating system. When installing any utilities, install the TOSHIBA Value Added Package first.”