Should I block it?
No, this file is 100% safe to run.
Additional versions
Relationships
Unrar.dll
RAR decompression library by Download Master (Signed)
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).
Details
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
Programs
The following programs will install this file
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...
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Advanced System Protector |
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“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...”
Bundles various adware offers during installation which include malicious ad-supported toolbars.
Distributed by the the same group that bundles Activeris Antimalware, a rogue security program.
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...
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.
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ISYS Search Software Pty Ltd |
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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.
“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 ...”
Distribution by Windows OS
OS version | distribution |
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% |
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Windows 8 Single Language |
2.27% |
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Distribution by country
United States installs about 20.51% of RAR decompression library.
Distribution by PC manufacturer
PC Manufacturer | distribution |
Acer |
37.50% |
|
Dell |
25.00% |
|
Lenovo |
8.33% |
|
ASUS |
8.33% |
|
Sony |
8.33% |
|
Toshiba |
8.33% |
|
Hewlett-Packard |
4.17% |
|