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:   3.80
MD5:   92040a0f7f7d7a3f1e12d8bb064cb3b2
SHA1:   df29e79c9d91ac0ee4788156ad9ea525b8fe11d7
SHA256:   7344bd44e4433a8f3034519f2b5745c0ced5b614c5c28bdc88cdc9acbbaef2c3

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 Advanced Driver Updater published by Systweak Inc, Advanced System Protector from Systweak Inc and Advanced System Protector by Systweak 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:3.80
Size:164.5 KB (168,448 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
Activeris Software LLC
  73% remove
Activeris AntiMalware is bundled with the FastAgain PC Booster program. In addition it is bundled through third party download managers such as AirInstaller which distributes ad-supported web browser toolbars. Warning, a number of antimalware/antivirus programs detect the process as potentially unwanted or a trojan. For instance, Emsisoft detects it as Trojan.MSIL.Adware.AdvancedSystemProtector.AMN (A), ESET-NOD32 detects it as a var...
Advanced System Protector
  54% remove
Atanium
1% remove
C. Ghisler & Co.
4% remove
Total Commander is a Shareware file manager for Windows. Total Commander is a file manager for Windows, a program like Windows Explorer to copy, move or delete files. However, Total Commander can do much more than Explorer, e.g. pack and unpack files, access ftp servers, compare files by content, etc! Configurable button bar and Start menu (User-defined commands) to place your frequently used DOS or Windows programs into a drop-down me...
Covus Freemium GmbH
50% remove
Bundles various adware offers during installation which include malicious ad-supported toolbars.
csmedia.com
4% remove
Fiorentino Media Inc.
  72% remove
Distributed by the the same group that bundles Activeris Antimalware, a rogue security program.
Fixila
38% remove
Ghisler Software GmbH
1% remove
Total Commander is an Orthodox File Manager (OFM) for Windows that features include a built-in FTP client, tabbed interface, file compare, archive file navigation, and a versatile multi-rename tool with regular expression support. Additionally, Total Commander can be made portable via a special installer for USB and U3 disks. The Windows version is shareware: users can download it for free and use indefinitely, but should register or d...
iS3, Inc.
48% remove
This is a PC optimization program that is supposed to increase the speed of computer. The trial version will perform a scan and identify issues while the user will need to unlock the software for a yearly auto-renewing subscription charge.
ISYS Search Software Pty Ltd
1% remove
Jawego
  65% remove
Jawego Partners LLC
48% remove
K9Tools
45% remove
k9tools.com
1% remove
Markement GmbH
7% remove
Maximum Software
19% remove
Omni Tech Support
1% remove
This is a PC optimization program that is supposed to increase the speed of computer by removing invalid entries the computer's registry. The trial version will perform a scan and identify issues while the user will need to unlock the software for a yearly auto-renewing subscription charge.
Omnitech Support
5% remove
PerformerSoft LLC
  64% remove
Problems with your printer, scanner, sound card, graphics card, wireless connection or other peripheral? Or is your computer just sluggish or crashes often? It's probably time to update your drivers. Drivers are the software that helps your computer communicate with its hardware. Researches have shown that many common computer problems are caused by out of date drivers. When drivers aren't working well, the parts of your computer can't ...

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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