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:   4.6.1.11
MD5:   ffc9128367ba19f175562cafe23baf8f
SHA1:   a9f624fabf92a124f737c7636482e496ec0f11a9

Overview

ducclib.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 Symantec Endpoint Protection published by Symantec Corporation, Norton Identity Safe from Symantec Corporation and Norton Identity Safe by Symantec Corporation. 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:4.6.1.11
Size:31.97 KB (32,736 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

ResourcesPrograms

The following programs will install this file
Symantec Endpoint Protection
 Symantec Corporation
9% remove
“Customers have embraced Symantec Endpoint Protection 12 faster than any previous release. In Symantec Endpoint Protection 12.1.2, we've worked hard to further the Unrivaled Security, Blazing Performance and support for Virtual Environments. By layering technologies like Insight and SONAR, antivirus scans are reduced and maximum performance is achieved while stopping cyber-criminals and even zero-day threats in their tracks. Endpoint pro...”
Norton Identity Safe
 Symantec Corporation
12% remove
“Norton ™ Identity Safe is a password manager that makes logging into your favorite web sites easier, faster and more secure. Never again forget a user name or password. Ever. Stop filling in the same forms over and over. Warns you of unsafe sites right in your search results and blocks them. Stores your passwords and more in a secure, cloud-based vault that only you can access. Stop filling in the same forms over and over. Identity Saf...”
Norton Safe Web Lite
 Symantec Corporation
21% remove
“Norton Safe Web Lite provides a safer search experience by warning you of dangerous Web sites right in your search results, so you can search, browse, and shop online without worry. Norton Safe Web Lite is our FREE Web site rating service. It's designed to let you surf the Web, use search engines, and shop online in safety. Norton Safe Web Lite uses signature-based file scanning, intrusion detection engines, behavioral detection and in...”

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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