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:   1.3.0
MD5:   725ab72d5dd462f2edaf1a6c59c8cfb5
SHA1:   fa4920bebcf0e8e39b15d739a1666ec01d80cb2c

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 Apple Application Support 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:1.3.0
Size:71.82 KB (73,544 bytes)
Build date:11/5/2013 5:36 AM
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
4Media
1% remove
4Media iPhone Contacts Transfer is a convenient iPhone contacts management tool to help you backup, import/export, restore and manage contacts information in your iPhone to wipe out all your worries and fill your needs on important contacts information security.
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.
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.
8% remove
Apple Inc.
9% remove
Apple Inc.
6% remove
Apple Inc.
5% remove
ImTOO
4% remove
Let ImTOO iPhone SMS Backup help you. ImTOO iPhone SMS Backup is smart and high-quality iPhone backup software which can help you take care of your SMS and iMessages in iPhone. It can easily transfer iPhone SMS and iMessages to your computer and keep them safe. With this easy to use tool, you can view and save all the iPhone SMS and iMessages on your computer easily without endless scrolling down on iPhone. ImTOO iPhone SMS Backup no...
ImTOO
6% remove
ImTOO iPhone Contacts Transfer is packed full of scintillating features that will allow you to enjoy great security and safety. You can also use this program to completely update and be in sync of various online address books including Google Contacts, Yahoo Address Books, Outlook, Windows Address Books and so forth by introducing the CSV and vCard(.vcf) files exported from the program. Contact information management functions are provi...
ImTOO
7% remove
Designed for eBook fanciers on iPad, ImTOO iPad PDF Transfer offers a perfect solution to transfer eBooks in PDF and EPUB formats to iPad fast and straightforwardly. With this smart PDF to iPad transfer, you are enabled to transfer PDF and EPUB eBooks between iPad and PC or backup all eBooks in iPad to iTunes. Besides PDF and EPUB transfer, ImTOO iPad PDF Transfer also allows you to edit information of PDF and EPUB files to your pref...
mediAvatar Software Studio
1% remove
Xilisoft
21% remove
Xilisoft
27% remove
Transfer your iPhone contacts between the device and a dozen of address books programs, like Google Contacts, Yahoo Address Book, Outlook, Windows Address Books, Apple Address Book, Hotmail and etc, share contacts information between different iPhone or from iPhone to other mobile phones, Nokia, Blackberry, Android phone, Windows Phone and etc, backup iPhone contacts into local machine and check out in the program anytime, restore all y...
Xilisoft
26% remove
Xilisoft
25% 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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