Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.6.1.11 46.67%
4.6.1.11 6.67%
4.4.1.7 26.67%
4.4.0.60 6.67%
4.4.0.60 6.67%
1.3.0.4 6.67%

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
RegOpenKeyExW, RegQueryValueExW, RegCloseKey
kernel32.dll
ReadFile, GetModuleFileNameW, CreateFileW, GetFileAttributesW, GetLastError, CloseHandle, WideCharToMultiByte, OutputDebugStringW, LoadLibraryExW, lstrlenW, GetFileSize, DisableThreadLibraryCalls, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, GetTickCount, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, InterlockedCompareExchange, Sleep, GetProcessHeap, HeapSize, HeapReAlloc, HeapFree, HeapAlloc, HeapDestroy, RaiseException, LoadLibraryA, InterlockedExchange, FreeLibrary, GetProcAddress, LocalAlloc, QueryPerformanceCounter, DecodePointer, EncodePointer
msvcr100.dll
DllMain
msvcr90.dll
DllMain
shlwapi.dll
PathAddBackslashW, PathRemoveFileSpecW, PathIsUNCServerW, PathAppendW
Export table
CreateDuCCLibInstance

ducclib.dll

Symantec Definition Utilities by Symantec Corporation (Signed)

Remove ducclib.dll
Version:   4.4.0.60
MD5:   a1edae3e1f9d6566312b9c1d8fc0d3c4
SHA1:   4d824b874a5f3d36200bb881d4fd2b6c6f5b341d
SHA256:   c23d201fa14c644f56cbcfa8de742b000bedafbb3cdd6afb26bc79c7f08c1074

Overview

ducclib.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Symantec Corporation which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:ducclib.dll
Publisher:Symantec Corporation
Product name:Symantec Definition Utilities
Typical file path:C:\Program Files\norton internet security\engine\20.2.0.19\ducclib.dll
File version:4.4.0.60
Size:32.44 KB (33,216 bytes)
Certificate
Issued to:Symantec Corporation
Authority (CA):VeriSign
Effective date:Monday, August 9, 2010
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 9.0
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 33.33%
Microsoft Windows XP 26.67%
Windows 8 Pro 13.33%
Windows 7 Home Basic 6.67%
Windows 8 Pro with Media Center 6.67%
Windows 7 Starter 6.67%
Windows Vista Home Premium 6.67%

Distribution by countryDistribution by country

United States installs about 46.67% of Symantec Definition Utilities.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 36.36%
Hewlett-Packard 27.27%
Dell 18.18%
ASUS 18.18%
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