Should I block it?
No, this file is 100% safe to run.
Additional versions
Relationships
 PE file structure
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Show functions |
Import table
kernel32.dll
DisableThreadLibraryCalls, DeleteCriticalSection, EnterCriticalSection, FreeLibrary, GetLastError, GetModuleHandleA, GetProcAddress, InitializeCriticalSection, InterlockedExchange, IsDBCSLeadByteEx, LeaveCriticalSection, LoadLibraryA, MultiByteToWideChar, Sleep, TlsGetValue, VirtualProtect, VirtualQuery, WideCharToMultiByte, GetCurrentProcess, GetCurrentProcessId, GetCurrentThreadId, GetSystemTimeAsFileTime, GetTickCount, QueryPerformanceCounter, SetUnhandledExceptionFilter, TerminateProcess, UnhandledExceptionFilter, HeapAlloc, HeapFree, GetCommandLineA, VirtualFree, VirtualAlloc, HeapReAlloc, HeapCreate, HeapDestroy, GetModuleHandleW, ExitProcess, WriteFile, GetStdHandle, GetModuleFileNameA, IsDebuggerPresent, TlsAlloc, TlsSetValue, TlsFree, InterlockedIncrement, SetLastError, InterlockedDecrement, SetHandleCount, GetFileType, GetStartupInfoA, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, GetEnvironmentStringsW, InitializeCriticalSectionAndSpinCount, RtlUnwind, SetFilePointer, GetConsoleCP, GetConsoleMode, GetCPInfo, GetACP, GetOEMCP, IsValidCodePage, HeapSize, GetLocaleInfoA, SetStdHandle, WriteConsoleA, GetConsoleOutputCP, WriteConsoleW, LCMapStringA, LCMapStringW, GetStringTypeA, GetStringTypeW, CreateFileA, CloseHandle, FlushFileBuffers, ReadFile, SetEndOfFile, GetProcessHeap
msvcr71.dll
DllMain
msvcrt.dll
DllMain
Export table
adler32
adler32_combine
adler32_combine64
compress
compress2
compressBound
crc32
crc32_combine
crc32_combine64
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
gzoffset64
gzopen
gzopen64
gzprintf
gzputc
gzputs
gzread
gzrewind
gzseek
gzseek64
gzsetparams
gztell
gztell64
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 Stardock Corporation (Signed)
| Version: | 1.2.4 |
| MD5: | 507895de089c72d50d6f9f9f50e8979a |
| SHA1: | 0a53c78b4f188041e025f3d403a5b3a787cca216 |
| SHA256: | 8ad33036c3c5175e8fd816de01ae33bcaa385e601885e8a8572ed52c1f765970 |
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 VDownloader 3.9.1360 published by Vitzo Limited, VDownloader 3.9.1326 from Vitzo Limited and VDownloader 3.9.1326 by Vitzo Limited. The file is digitally signed by Stardock Corporation which was issued by the COMODO CA Limited certificate authority (CA).
Details
| File name: | zlib1.dll |
| Product name: | zlib |
| Description: | zlib data compression library |
| Typical file path: | C:\Program Files\easy instant messenger\gtk\bin\zlib1.dll |
| File version: | 1.2.4 |
| Size: | 76.05 KB (77,876 bytes) |
| Certificate |
| Issued to: | Stardock Corporation |
| Authority (CA): | COMODO CA Limited |
| Expiration date: | Thursday, April 10, 2014 |
| Digital DNA |
| PE subsystem: | Windows GUI |
| File packed: | No |
| Code language: | Microsoft Visual C++ |
| .NET CLR: | No |
More details
Programs
The following programs will install this file
16 Bit Arena is a video game distributed through Desura, a digital distribution platform for games and provides automated game updates via a client that allows users to create game mods as well as the online interface. Desura does not utilize digital rights management.
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Apache Software Foundation |
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“The Apache HTTP Server Project is a collaborative software development effort aimed at creating a robust, commercial-grade, featureful, and freely-available source code implementation of an HTTP (Web) server. The project is jointly managed by a group of volunteers located around the world, using the Internet and the Web to communicate, plan, and develop the server and its related documentation. This project is part of the Apache Softwar...”
“123 Copy DVD Gold is your essential media software solution, providing you with the tools necessary for copying, converting and burning your DVDs. Make your media library come alive with video editing capabilities and easy-to-use media sharing options. Convert DVDs, Internet videos and video files into popular media formats to play on multiple devices. Supports all major devices. Preserve, protect, and enjoy all your music in full dig...”
“123 Copy DVD is your basic media software. Offering simplified solutions for copying, burning and saving your files, this program is a great solution for preserving your media library. Make 1:1 copies of your movie library and burn your own DVDs from downloaded movies and personal video files. Capture and burn your favorite online moments and media from popular video streaming websites. Backup your movies, music, and important files by...”
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Environmental Systems Research Institute, Inc. |
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“Hundreds of tools for performing spatial analysis are included in ArcGIS for Desktop. These tools allow you to turn data into actionable information and automate many of your GIS tasks. With support for more than 70 data formats, you can easily integrate all types of data for visualization and analysis. An extensive set of geographic, tabular, and metadata management, creation, and organization tools. Manipulate data with a minimum numb...”
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Environmental Systems Research Institute, Inc. |
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“The ArcGIS Desktop language setting is available through the ArcGIS Administrator interface once an appropriate language supplement has been installed. Instructions provided describe how to install the appropriate language pack and toggle the installed language pack. The ArcGIS Desktop Language setting can be toggled through the ArcGIS Desktop Administrator to enable users to move between language versions as needed. Language specific ...”
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Environmental Systems Research Institute, Inc. |
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“Add more capabilities to ArcGIS for Desktop with extensions. These specialized tools allow you to perform more sophisticated tasks such as raster geoprocessing and 3D analysis.”
“Recover deleted partitions (FAT, FAT32 and NTFS). Recover data after formatting/re-creation of hard drive. Recover data after deletion of files using Shift+Del keys or after emptying the Recycle Bin. Create Drive Image - for backup purposes. Scan hard drives and detect deleted FAT and NTFS partitions and/or Logical Drives. Raw recovery from CD and USB drives. Photo, Music, Video recovery from your system. Spare Computer Space and will n...”
“foobar2000 is an advanced freeware audio player for the Windows platform. Supported audio formats: MP3, MP4, AAC, CD Audio, WMA, Vorbis, Opus, FLAC, WavPack, WAV, AIFF, Musepack, Speex, AU, SND... and more with additional components. Open component architecture allowing third-party developers to extend functionality of the player. Support for ripping Audio CDs as well as transcoding all supported audio formats using the Converter compon...”
“It's easy to watch movie files on a computer monitor. But, what happens when your collection starts to get large? How do you find the show you want to watch easily? How do you know you've watched an episode, or where you stopped it last night? How do you share the media files over several screens? What about content from the Internet?
The Plex Media Server solves these problems by gathering information about your media and storing it o...”
Behaviors
ActiveX install
- {3EA4FA88-E0BE-419A-A732-9B79B87A6ED0}
Distribution by Windows OS
| OS version | distribution |
| Windows 7 Home Premium |
25.00% |
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| Windows 7 Ultimate |
21.00% |
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| Windows 7 Professional |
11.00% |
|
| Microsoft Windows XP |
9.00% |
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| Windows 8 |
8.00% |
|
| Windows 8 Pro |
6.00% |
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| Windows 7 Ultimate N |
4.00% |
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| Windows 8 Single Language |
2.00% |
|
| Windows 8.1 |
2.00% |
|
| Windows 8.1 Pro Preview |
2.00% |
|
| Windows 7 Home Basic |
2.00% |
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| Windows Vista Home Premium |
2.00% |
|
| Windows 8 Enterprise N |
2.00% |
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| Windows 8.1 Pro with Media Center |
1.00% |
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| Windows 8.1 Pro |
1.00% |
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| Windows Server 2012 Standard Evaluation |
1.00% |
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| Windows 7 Enterprise |
1.00% |
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Distribution by country
United States installs about 43.75% of zlib.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| Dell |
24.39% |
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| ASUS |
14.63% |
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| Hewlett-Packard |
13.41% |
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| Lenovo |
9.76% |
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| Toshiba |
9.76% |
|
| Sony |
7.32% |
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| Acer |
4.88% |
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| Intel |
4.88% |
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| American Megatrends |
3.66% |
|
| Compaq |
2.44% |
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| Medion |
2.44% |
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| Alienware |
1.22% |
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| Samsung |
1.22% |
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