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


PE structurePE file structure

Show functions
Import table
advapi32.dll
AdjustTokenPrivileges, LookupPrivilegeValueA, OpenProcessToken, SetFileSecurityA, SetFileSecurityW, LookupPrivilegeValueW
kernel32.dll
CloseHandle, CompareStringA, CompareStringW, CreateDirectoryA, CreateDirectoryW, CreateFileA, CreateFileW, DeleteCriticalSection, DeleteFileA, DeleteFileW, DeviceIoControl, EnterCriticalSection, ExitProcess, FileTimeToLocalFileTime, FileTimeToSystemTime, FindClose, FindFirstFileA, FindFirstFileW, FindNextFileA, FindNextFileW, FreeEnvironmentStringsA, FreeLibrary, GetACP, GetCPInfo, GetCurrentProcess, GetCurrentThreadId, GetEnvironmentStrings, GetFileAttributesA, GetFileAttributesW, GetFileType, GetFullPathNameA, GetLastError, GetLocalTime, GetModuleFileNameA, GetModuleHandleA, GetOEMCP, GetProcAddress, GetProcessHeap, GetStartupInfoA, GetStdHandle, GetStringTypeW, GetVersion, GetVersionExA, GlobalMemoryStatus, HeapAlloc, HeapFree, InitializeCriticalSection, IsDBCSLeadByte, LCMapStringA, LeaveCriticalSection, LoadLibraryA, LocalFileTimeToFileTime, MoveFileA, MultiByteToWideChar, RaiseException, ReadFile, RtlUnwind, SetConsoleCtrlHandler, SetEndOfFile, SetFileAttributesA, SetFileAttributesW, SetFilePointer, SetFileTime, SetHandleCount, SetLastError, Sleep, SystemTimeToFileTime, UnhandledExceptionFilter, VirtualAlloc, VirtualFree, VirtualQuery, WideCharToMultiByte, WriteFile, GetModuleHandleW, GetSystemTime, GetConsoleOutputCP, WriteConsoleA, SetStdHandle, GetConsoleMode, GetConsoleCP, FlushFileBuffers, MoveFileW, GetVersionExW, GetLocaleInfoA, HeapReAlloc, GetSystemTimeAsFileTime, GetCommandLineA, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, InterlockedIncrement, InterlockedDecrement, TerminateProcess, SetUnhandledExceptionFilter, IsDebuggerPresent, HeapCreate, HeapDestroy, IsValidCodePage, HeapSize, InitializeCriticalSectionAndSpinCount, LCMapStringW, FreeEnvironmentStringsW, GetEnvironmentStringsW, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetStringTypeA, WriteConsoleW, LoadLibraryW
user32.dll
CharLowerA, CharLowerW, CharToOemA, CharToOemBuffA, CharUpperA, CharUpperW, EnumThreadWindows, MessageBoxA, OemToCharA, OemToCharBuffA, wsprintfA, CharToOemBuffW
Export table
RARCloseArchive
RARGetDllVersion
RAROpenArchive
RAROpenArchiveEx
RARProcessFile
RARProcessFileW
RARReadHeader
RARReadHeaderEx
RARSetCallback
RARSetChangeVolProc
RARSetPassword
RARSetProcessDataProc

Unrar.dll

RAR decompression library by Download Master (Signed)

Remove Unrar.dll
Version:   4.20.0
MD5:   4b0be84e0d4b7176e78b4981cabe3b41
SHA1:   39ebc9cf0b15e2573e45ec7d7180e0eb7cf25c0a
SHA256:   b01c5b9cab8effc930cffa596ae22dfbace5383340d3101f64b50a966bcba439

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 Internet Download Accelerator version 5.14 published by WestByte, Download Master 5.15.2.1341 from WestByte and Download Master 5.15.2.1341 by WestByte. 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:4.20.0
Size:181.43 KB (185,784 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
WestByte
  71% remove
Internet Download Accelerator, often called IDA, is a download manager for Microsoft Windows, created by a Ukrainian software company, WestByte Software. IDA integrates with Internet Explorer, Firefox, Opera, Google Chrome, Apple Safari and all web browsers that are built based on these, such as Maxthon. Once these browsers started a download, IDA takes over. It can also take over the download of streaming video from websites like Youtu...
WestByte
  56% remove
Download Master is an easy-to-use and effective download manager that can increase download speeds by up to 500 percent. It uses intellectual multi-section download to provide the best possible performance for all connection types. The acceleration is achieved by splitting a file being downloaded into several parts and downloading these parts at the same time.Download Master resumes downloads, broken due to lost connections, network pro...

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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