Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

0.4.386.5560 90.24%
0.4.386.5560 2.44%
0.4.386.5560 7.32%
(Note, IObit Information Technology publishes each variation of this file with the same version, but the hashes are unique.)

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegCreateKeyExW, ControlService, QueryServiceStatusEx, StartServiceW, OpenServiceW, OpenSCManagerW, CloseServiceHandle, RegEnumKeyExW, RegDeleteKeyW, RegDeleteValueW, RegCloseKey, RegOpenKeyExW, RegSetValueExW, RegQueryInfoKeyW
crypt32.dll
CertCloseStore, CryptMsgGetParam, CertFindCertificateInStore, CertFreeCertificateContext, CryptQueryObject, CryptDecodeObject, CryptMsgClose, CertGetNameStringW
fltlib.dll
FilterUnload
kernel32.dll
GetLastError, InitializeCriticalSectionAndSpinCount, DeleteCriticalSection, GetProcAddress, GetModuleHandleW, lstrcmpiW, GetModuleFileNameW, InterlockedIncrement, InterlockedDecrement, FreeLibrary, MultiByteToWideChar, SizeofResource, LoadResource, FindResourceW, LoadLibraryExW, SetThreadLocale, GetThreadLocale, WideCharToMultiByte, CreateFileW, DeviceIoControl, CloseHandle, CreateMutexW, LeaveCriticalSection, WaitForSingleObject, SetEvent, LoadLibraryW, TerminateThread, Sleep, ReleaseSemaphore, CreateSemaphoreW, CreateEventW, WaitForMultipleObjects, GetWindowsDirectoryW, GetVersion, GetCurrentProcessId, WriteFile, GetSystemDirectoryW, FormatMessageW, GetLocalTime, OutputDebugStringA, ReadFile, SetNamedPipeHandleState, GetOverlappedResult, ReleaseMutex, ConnectNamedPipe, CreateNamedPipeW, ResetEvent, CreateThread, lstrcmpA, DisconnectNamedPipe, FlushFileBuffers, GetCurrentThreadId, GetOEMCP, GetACP, EnterCriticalSection, RaiseException, lstrlenW, IsValidCodePage, SetFilePointer, GetConsoleCP, GetConsoleMode, LCMapStringW, GetStringTypeW, SetStdHandle, WriteConsoleW, GetCurrentProcess, GetCPInfo, GetSystemTimeAsFileTime, GetTickCount, QueryPerformanceCounter, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetModuleFileNameA, GetStartupInfoW, GetFileType, SetHandleCount, IsProcessorFeaturePresent, HeapSize, HeapReAlloc, SetLastError, TlsFree, TlsSetValue, TlsGetValue, TlsAlloc, TerminateProcess, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, HeapDestroy, HeapCreate, GetStdHandle, ExitProcess, ExitThread, GetCommandLineA, VirtualQuery, GetSystemInfo, VirtualAlloc, VirtualProtect, DecodePointer, EncodePointer, RtlUnwind, HeapFree, HeapAlloc
ole32.dll
CoTaskMemRealloc, StringFromGUID2, CoCreateInstance, CoInitializeEx, CoUninitialize, CoTaskMemAlloc, CoTaskMemFree
rpcrt4.dll
NdrStubForwardingFunction, IUnknown_Release_Proxy, IUnknown_AddRef_Proxy, IUnknown_QueryInterface_Proxy, NdrOleFree, NdrOleAllocate, NdrDllUnregisterProxy, NdrDllGetClassObject, NdrDllCanUnloadNow, NdrCStdStubBuffer2_Release, NdrDllRegisterProxy, NdrStubCall2
user32.dll
CharNextW
version.dll
VerQueryValueW, GetFileVersionInfoSizeW, GetFileVersionInfoW
Export table
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
DumpMemory
FlGetCacheEntryOfFile
FlGetCacheEntryOfFileByHandle
FlGetDriverVersion
FlGetLibraryVersion
FlGetLogFile
FlGetOpt
FlGetShortTimestamp
FlGetTraceFile
FlInvalidateCacheEntryOfFile
FlInvalidateCacheEntryOfFileByHandle
FlKillConnections
FlpConnectToServer
FlpDisconnectFromServer
FlpGetDriverVersion
FlpGetLibraryVersion
FlpGetOpt
FlpRegisterBypassPid
FlpSetOpt
FlpSetOptVarlen
FlpUnregisterBypassPid
FlQueryDriver
FlQueryScanner
FlRegisterBypassPid
FlSetCacheEntryOfFile
FlSetCacheEntryOfFileByHandle
FlSetLogFile
FlSetOpt
FlSetOptVarlen
FlSetTraceFile
FlShortTimestampDelta
FlStartDriver
FlStartScanner
FlStartScanner2
FlStopDriver
FlStopScanner
FlUnregisterBypassPid
FlUserLogPrint
FlUserTracePrint

BDFLTLIB.dll

BitDefender OnAccess by IObit Information Technology (Signed)

Remove BDFLTLIB.dll
Version:   0.4.386.5560
MD5:   af159f1a4c8b4da46ad5c5f600de5608
SHA1:   8e12915fa66bae42d968f28931aefde6a3b45f40
SHA256:   3f00fd02040582afff0fe7a5b61ab7aa332194fb51c349b1a9ef936328e47458

Overview

bdfltlib.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 AVG PC TuneUp published by AVG Technologies and Advanced SystemCare Ultimate 6 published by IObit. The file is digitally signed by IObit Information Technology which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:bdfltlib.dll
Publisher:BitDefender
Product name:BitDefender OnAccess
Description:AntiVirus FS filter library with COM
Typical file path:C:\Program Files\iobit\advanced systemcare ultimate\antivirus\bdfltlib.dll
File version:0.4.386.5560
Product version:3.0
Size:212.84 KB (217,944 bytes)
Certificate
Issued to:IObit Information Technology
Authority (CA):VeriSign
Effective date:Monday, December 7, 2009
Expiration date:Friday, January 4, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
AVG Technologies
45% remove
AVG PC TuneUp is a subscription-based registry cleaner and repair tool. The software is typically bundled with third party installers such as Open Candy. "Offer your users a free trial of AVG's comprehensive PC maintenance and optimization utility suite."
IObit
24% remove
Advanced SystemCare Ultimate 6 is a stand-alone product. Besides the newly built-in antivirus functionality, it includes all the features of Advanced SystemCare PRO. PRO users who uninstalled Advanced SystemCare during the trial can easily revert it back at any time.

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 41.46%
Windows 7 Ultimate 19.51%
Microsoft Windows XP 14.63%
Windows 8 Pro 9.76%
Windows 7 Home Basic 4.88%
Windows 8 2.44%
Windows 7 Professional 2.44%
Windows 8 Pro with Media Center 2.44%
Windows 8 Release Preview 2.44%

Distribution by countryDistribution by country

United States installs about 34.15% of BitDefender OnAccess.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 22.22%
Acer 16.67%
Lenovo 16.67%
Hewlett-Packard 11.11%
ASUS 11.11%
Toshiba 5.56%
MSI 5.56%
Compaq 5.56%
American Megatrends 5.56%
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