Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1,4,69,4546 5.88%
1,2,54,3668 29.41%
1,1,45,3369 5.88%
1,0,37,2771 5.88%
0,7,0,1580 52.94%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumKeyExW, RegQueryInfoKeyW, RegSetValueExW, RegOpenKeyExW, RegCreateKeyExW, RegCloseKey, RegDeleteValueW, RegDeleteKeyW, RegQueryValueExW
gdi32.dll
SelectObject, DeleteDC, GetDIBits, CreateDIBSection, DeleteObject, CreateCompatibleDC
kernel32.dll
FreeLibrary, MultiByteToWideChar, LoadLibraryExW, GlobalUnlock, GetFileAttributesW, GlobalLock, WideCharToMultiByte, lstrcpynA, lstrcpynW, GetCurrentDirectoryW, SetThreadLocale, GetThreadLocale, CloseHandle, CreateProcessW, DeleteFileW, WriteFile, CreateFileW, GetTempFileNameW, GetTempPathW, GetModuleFileNameW, GetVersionExW, HeapFree, HeapAlloc, GetProcessHeap, FlushFileBuffers, CreateFileA, WriteConsoleW, GetConsoleOutputCP, WriteConsoleA, SetStdHandle, GetConsoleMode, GetConsoleCP, SetFilePointer, GetLocaleInfoW, LoadLibraryA, InitializeCriticalSectionAndSpinCount, LeaveCriticalSection, EnterCriticalSection, InterlockedDecrement, InterlockedIncrement, GetVersion, GetModuleHandleW, lstrcmpiW, GetLastError, GetProcAddress, FindResourceExW, FindResourceW, LoadResource, LockResource, SizeofResource, DeleteCriticalSection, InitializeCriticalSection, RaiseException, OutputDebugStringW, lstrlenW, IsValidLocale, EnumSystemLocalesA, GetUserDefaultLCID, GetStringTypeA, GetLocaleInfoA, GetSystemTimeAsFileTime, GetCurrentProcessId, GetTickCount, QueryPerformanceCounter, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsA, GetStartupInfoA, GetFileType, SetHandleCount, CompareStringW, IsValidCodePage, GetOEMCP, GetACP, HeapDestroy, HeapReAlloc, HeapSize, InterlockedCompareExchange, InterlockedExchange, Sleep, RtlUnwind, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, GetCurrentThreadId, GetCommandLineA, LCMapStringA, LCMapStringW, GetCPInfo, GetStringTypeW, VirtualFree, VirtualAlloc, HeapCreate, ExitProcess, GetStdHandle, GetModuleFileNameA, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError
ole32.dll
CoCreateInstance, StringFromGUID2, ReleaseStgMedium, CoTaskMemFree, CoTaskMemRealloc, CoTaskMemAlloc
shell32.dll
DragQueryFileW, SHGetPathFromIDListW, SHGetFileInfoW, SHGetFolderPathW
shlwapi.dll
PathIsDirectoryW
user32.dll
ReleaseDC, InsertMenuW, DestroyIcon, LoadImageW, DrawIconEx, InsertMenuItemW, SetRect, GetIconInfo, GetDC, CharNextW, DestroyMenu, CreatePopupMenu
Export table
DllCanUnloadNow
DllGetClassObject
DllInstall
DllRegisterServer
DllUnregisterServer

b1shellext32.dll

B1 Free Archiver by Catalina Group Limited (Signed)

Remove b1shellext32.dll
Version:   1,1,45,3369
MD5:   1316c8a0cdd05ace758f88ff6a3e42f5
SHA1:   7553d710d4dedbbf2b730a2d4e822a4774eff9a9
SHA256:   170593edc379a958a75f465d32e31f7b6fad2c2d9f623a0a9a18e39b1b42e7d4

What is b1shellext32.dll?

B1 shell extension is a Windows Explorer shell extension for B1 Free Archiver. B1 Free Archiver is a tool to open and create archives. The B1 file extension is the native file format of B1 Archive Manager. The B1 file compression utility provides a high compression ratio for compressed archives.

About b1shellext32.dll (from Catalina Group Limited)

It’s a free multi-platform universal archiver. Currently it works on Windows, Mac and Linux platforms; also Android version will be released in the nearest future. B1 Archiver supports most popular

DetailsDetails

File name:b1shellext32.dll
Publisher:b1.org
Product name:B1 Free Archiver
Description:B1 shell extension
Typical file path:C:\unbekannt\b1 free archiver\b1shellext32.dll
File version:1,1,45,3369
Size:741.35 KB (759,144 bytes)
Build date:5/23/2013 3:18 PM
Certificate
Issued to:Catalina Group Limited
Authority (CA):GoDaddy.com
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
Catalina Group Ltd.
45% remove
B1 archive is an open archive format, where best proven solutions were improved even more with new original ideas. It's free and available for both personal and commercial use. B1 Archiver is extremely simple to use, you don't need comprehensive manuals or guides. Just install it and enjoy. Also it works very fast even with large archives with many files. Though classic LZMA compression has been improving for over a decade, there are ...

BehaviorsBehaviors

Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
  • Name: 'B1ShellEx'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'B1 Files Drag Shell Extension' with CLSID {88ABAAA6-FDA9-4DE9-8735-F540761579F4}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 58.82%
Windows 8 Pro 11.76%
Microsoft Windows XP 11.76%
Windows 8 Release Preview 11.76%
Windows 7 Home Premium 5.88%

Distribution by countryDistribution by country

Pakistan installs about 11.76% of B1 Free Archiver.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Intel 61.54%
Dell 15.38%
ASUS 15.38%
Acer 7.69%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

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