Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1.3.0 8.18%
1.2.5 15.67%
1.2.5 17.61%
1.2.5 18.31%
1.2.5 28.71%
1.2.5 9.29%
1.2.3 0.83%
1.2.3 0.55%
1.2.3 0.55%
1.2.3 0.28%

Relationships


PE structurePE file structure

Show functions
Import table
kernel32.dll
GetCurrentProcessId, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, DisableThreadLibraryCalls, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, InterlockedCompareExchange, Sleep, InterlockedExchange, GetSystemTimeAsFileTime
msvcr80.dll
DllMain
Export table
adler32
adler32_combine
compress
compress2
compressBound
crc32
crc32_combine
deflate
deflateBound
deflateCopy
deflateEnd
deflateInit_
deflateInit2_
deflateParams
deflatePrime
deflateReset
deflateSetDictionary
deflateSetHeader
deflateTune
get_crc_table
gzbuffer
gzclearerr
gzclose
gzclose_r
gzclose_w
gzdirect
gzdopen
gzeof
gzerror
gzflush
gzgetc
gzgets
gzoffset
gzopen
gzprintf
gzputc
gzputs
gzread
gzrewind
gzseek
gzsetparams
gztell
gzungetc
gzwrite
inflate
inflateBack
inflateBackEnd
inflateBackInit_
inflateCopy
inflateEnd
inflateGetHeader
inflateInit_
inflateInit2_
inflateMark
inflatePrime
inflateReset
inflateReset2
inflateSetDictionary
inflateSync
inflateSyncPoint
inflateUndermine
uncompress
zError
zlibCompileFlags
zlibVersion

zlib1.dll

zlib by Apple Inc. (Signed)

Remove zlib1.dll
Version:   1.2.5
MD5:   58b61578d5704e9fc8b8a9861a85069d
SHA1:   0ec870d9c128224e4743a5d23e8b5f09c29c90d9
SHA256:   2bfd70f75dd3085e4a1ff2611a4712e2bc89034614b127ab90ce6dcf7c281739

What is zlib1.dll?

zlib is a common software library used for data compression. zlib compressed data is typically written with a gzip or a zlib wrapper. zlib is something of a de facto standard, to the point that zlib and DEFLATE are often used interchangeably in standards documents, with thousands of applications relying on it for compression, either directly or indirectly.

Overview

zlib1.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 iTunes published by Apple Inc., Apple Application Support from Apple Inc. and Apple Application Support by Apple Inc.. The file is digitally signed by Apple Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:zlib1.dll
Product name:zlib
Description:zlib data compression library
Typical file path:C:\Program Files\common files\apple\apple application support\zlib1.dll
File version:1.2.5
Size:85.85 KB (87,912 bytes)
Certificate
Issued to:Apple Inc.
Authority (CA):VeriSign
Effective date:Sunday, May 17, 2009
Expiration date:Sunday, June 26, 2011
Digital DNA
PE subsystem:Windows GUI
Entropy:6.785203
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Apple Inc.
9% remove
Apple's iTunes is a proprietary media player computer program, used for playing and organizing digital music and video files on desktop computers. It can also manage contents on iPod, iPhone and iPad. iTunes is an application that allows the user to purchase and manage audio and video on a personal computer, acting as a front end for Apple's QuickTime media player. Officially, using iTunes is required in order to manage the audio of an ...
Apple Inc.
6% remove
Apple Application Support is required to run iTunes, QuickTime and other Apple installed products (do not remove this if you use any of these programs). If you remove this program you will need to reinstall it in order for iTunes to load. The program is also used to connect iTunes to the various iOS devices such as the iPhone, iPad and iPod Touch.
Apple Inc.
9% remove
Apple Application Support is required to run iTunes, QuickTime and other Apple installed products (do not remove this if you use any of these programs). If you remove this program you will need to reinstall it in order for iTunes to load. The program is also used to connect iTunes to the various iOS devices such as the iPhone, iPad and iPod Touch.
Apple Inc.
8% remove
A Apple oferece uma solução integrada em todos os Mac para tornar mais fácil a utilização do computador por pessoas invisuais ou com dificuldades de visão. Esta funcionalidade, denominada VoiceOver, é fiável, fácil de aprender e simples de utilizar.
Apple Inc.
12% remove
Unlike traditional screen reader, VoiceOver is built into the operating system, so you can use new applications directly accessible. No need to buy an upgrade for VoiceOver, install a fresh copy and add the application to a "white list". Moreover, VoiceOver commands work the same in all applications, so when you learn to use them, you will for any accessible application.
Apple Inc.
10% remove
Apple Application Support suorittamiseen vaaditaan iTunes, QuickTime ja muut Applen asennetut tuotteet (älä poista tätä, jos käytät jotakin näistä ohjelmista). Jos poistat ohjelman sinun tulee asentaa uudelleen, jotta iTunesin lataamaan.Ohjelma käytetään myös yhteyden iTunes eri iOS laitteita, kuten iPhone, iPad ja iPod Touch.
Apple Inc.
9% remove
Para simplificar o uso dos computadores pelos cegos e pessoas com dificuldade visual, a Apple oferece uma solução já presente em cada Mac: VoiceOver. Uma solução com excelente custo-benefício, confiável, fácil de aprender, prática e agradável.
Apple Inc.
4% remove
Apple Application Support is required to run iTunes, QuickTime and other Apple installed products (do not remove this if you use any of these programs). If you remove this program you will need to reinstall it in order for iTunes to load. The program is also used to connect iTunes to the various iOS devices such as the iPhone, iPad and iPod Touch.
Apple Inc.
9% remove
Apple Inc.
11% remove
Apple Application Support (on Windows) is included when you install Quicktime.
Apple Inc.
11% remove
Safari is a web browser developed by Apple Inc. It is based on the WebKit engine, which is a fork of KDE's KHTML engine. Safari has a number of features. Some are specific to certain operating systems or platforms.
Hewlett-Packard
27% remove
This package installs Microsoft fixes and enhancements for the Microsoft 7 Operating Systems, as well as providing other fixes and enhancements that are specific to the listed notebook models. These fixes and enhancements are required to improve the performance of these notebook models.
iMobie Inc.
1% remove

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 44.50%
Windows 7 Ultimate 11.50%
Windows 8.1 11.50%
Windows 7 Professional 6.00%
Windows 8.1 Pro 5.50%
Microsoft Windows XP 5.50%
Windows 8 5.00%
Windows Vista Home Premium 2.50%
Windows 8 Pro 2.00%
Windows 8.1 Single Language 1.50%
Windows 8 Single Language 1.50%
Windows Seven Black Edition 1.00%
Windows 8.1 N 0.50%
Windows 8 Enterprise 0.50%
Windows 8.1 Pro with Media Center 0.50%
Windows Vista Home Basic 0.50%

Distribution by countryDistribution by country

United States installs about 50.75% of zlib.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 20.23%
Hewlett-Packard 18.68%
Toshiba 13.23%
ASUS 11.67%
Acer 9.34%
Lenovo 7.78%
Sony 7.78%
GIGABYTE 3.11%
Intel 2.33%
NEC 1.56%
Samsung 1.17%
Alienware 0.78%
Sahara 0.78%
American Megatrends 0.78%
Compaq 0.78%
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