Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.20.0 6.82%
4.0.4 2.27%
4.0.2 63.64%
3.80 25.00%
3.71 2.27%

Relationships

Unrar.dll

RAR decompression library by Download Master (Signed)

Remove Unrar.dll
Version:   3.71
MD5:   149a100a8e7b4cdfbb62c734bb7e7b8a
SHA1:   361e1d8be79fca9ab196bb83fb6b778093ddb9f7
SHA256:   aa579b7cdd7e6ecf469966c560b7c99cc6d2bb8a8c35e3c7ed65edf6cdd79e95

What is Unrar.dll?

RAR decompression library is a free software decompression library called "unrarlib", licensed under the GPL, based on an old version of unrar with permission from the author Eugene Roshal, but it can only decompress archives created by RAR versions up to 2.x. Archives created by RAR 2.9 and later (which are most RAR archives found today) use a different format which is not supported by the free library.

About Unrar.dll (from Download Master)

The RAR compression utility is proprietary, with a closed algorithm. RAR is owned by Alexander L. Roshal is based on Lempel-Ziv (LZSS) and prediction by partial matching (PPM) compression.

Overview

unrar.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 Graboid Video 3.31 published by Graboid Inc., Graboid Video 3.55 from Graboid Inc. and Graboid Video 3.55 by Graboid Inc.. The file is digitally signed by Download Master which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:unrar.dll
Publisher:Alexander Roshal
Product name:RAR decompression library
Typical file path:C:\Program Files\iobit\iobit malware fighter\unrar.dll
File version:3.71
Size:160.5 KB (164,352 bytes)
Certificate
Issued to:Download Master
Authority (CA):VeriSign
Digital DNA
Entropy:6.495456
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
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Bitberry Software
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The tool supports include the ZIP, LHA, TAR, GZ, CAB, and can extract RAR files. A special feature of the program is the ability to undergo the same files to a virus scan. Created archives can also convert into self-extracting EXE files. 's new version 2013 BitZipper now supports Windows 8, DMG offers improved support and faster LZMA decompression.
Crystal Art Software
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NewsLeecher is a Usenet downloading (leeching) application. It downloads movies, pictures, MP3 files, and software applications, and uses it's inline engine to assemble and decode all the downloads. NewsLeecher takes the best features from NewsBinPro, NewsPro, BNR, GrabIt, and other popular newsreaders and mix them together. As the originator to the NZB format, NewsLeecher has a full support for downloading via NZB files. With the built...
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Crystal Art Software
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Digitarch srl
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Digitarch srl
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GoForSharing LLC
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Graboid Inc.
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IntelPeers LLC
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Pro-Sharing LLC
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Shareaza Development Team
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ShareGhost LLC
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SharingZone LLC
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Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 25.00%
Windows 7 Home Premium 20.45%
Microsoft Windows XP 15.91%
Windows 7 Ultimate N 11.36%
Windows Vista Home Premium 9.09%
Windows 7 Professional 4.55%
Windows 8 Pro 4.55%
Windows 8 2.27%
Windows 7 Home Basic 2.27%
Windows XP Professional 2.27%
Windows 8 Single Language 2.27%

Distribution by countryDistribution by country

United States installs about 20.51% of RAR decompression library.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 37.50%
Dell 25.00%
Lenovo 8.33%
ASUS 8.33%
Sony 8.33%
Toshiba 8.33%
Hewlett-Packard 4.17%
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