Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1.4.0.275 50.00%
1.4.0.275 50.00%
(Note, UPEK Inc. 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
CryptReleaseContext, CryptGenRandom, CryptAcquireContextW, CryptImportKey, CryptCreateHash, CryptHashData, CryptVerifySignatureA, CryptDestroyHash, CryptAcquireContextA, CryptDestroyKey
crypt32.dll
CryptQueryObject, CryptMsgGetParam, CertFindCertificateInStore, CertGetNameStringA, CertFreeCertificateContext, CryptMsgClose, CertCloseStore
kernel32.dll
InterlockedCompareExchange, OutputDebugStringA, RtlUnwind, QueryPerformanceCounter, GetVersionExW, GetCurrentThread, GetCurrentThreadId, QueryPerformanceFrequency, ReleaseSemaphore, InitializeCriticalSectionAndSpinCount, CreateSemaphoreW, GlobalMemoryStatus, GetSystemTime, GetModuleHandleW, GlobalAlloc, GlobalLock, GlobalUnlock, GlobalFree, GetSystemDirectoryA, FindFirstFileA, FindNextFileA, FindClose, SetErrorMode, LoadLibraryA, GetProcAddress, FreeLibrary, ReleaseMutex, CreateMutexW, GetSystemTimeAsFileTime, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, GetCurrentProcessId, SetThreadPriority, InitializeCriticalSection, DeleteCriticalSection, InterlockedIncrement, InterlockedDecrement, RaiseException, EnterCriticalSection, LeaveCriticalSection, DisableThreadLibraryCalls, CloseHandle, GetLastError, CreateEventW, SetEvent, ResetEvent, Sleep, WaitForSingleObject, WaitForMultipleObjects, CreateThread, GetTickCount, GetOverlappedResult, DeviceIoControl, SetLastError, InterlockedExchange, MultiByteToWideChar, WideCharToMultiByte, GetVersion
msvcrt.dll
DllMain
ole32.dll
PropVariantClear, CoCreateInstance
user32.dll
UnregisterDeviceNotification, SetWindowPos, OffsetRect, CopyRect, GetWindowRect, SetForegroundWindow, GetParent, GetSystemMetrics, EndDialog, SetDlgItemTextW, DialogBoxIndirectParamW, MsgWaitForMultipleObjects, DispatchMessageW, TranslateMessage, PeekMessageW, PostMessageW, GetDesktopWindow
wintrust.dll
WinVerifyTrust
Export table
DllGetClassObject
Microsoft_WDF_UMDF_Version

tcwbf.dll

UPEK Fingerprint Driver by UPEK Inc. (Signed)

Remove tcwbf.dll
Version:   1.4.0.275
MD5:   08417c8385515385dc0ca6b6e8a3b16b
SHA1:   875f01e3975cf3215bbb7883c0945998a3394db2
SHA256:   1a49c127d5b79181be990701f6159a0e69ac8fc1cab5fd2a5f47a74300ca55bd

Overview

tcwbf.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by UPEK Inc. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:tcwbf.dll
Publisher:UPEK
Product name:UPEK Fingerprint Driver
Description:TouchChip USB WBF Driver
Typical file path:C:\Windows\System32\drivers\umdf\tcwbf.dll
File version:1.4.0.275
Product version:1.4.0
Size:935.63 KB (958,080 bytes)
Certificate
Issued to:UPEK Inc.
Authority (CA):VeriSign
Effective date:Wednesday, October 6, 2010
Digital DNA
PE subsystem:Windows Console
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Professional 50.00%
Windows 7 Ultimate 50.00%

Distribution by countryDistribution by country

China installs about 50.00% of UPEK Fingerprint Driver.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 100.00%
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