Should I block it?

40%

40% of PCs block this file from running.

Possible reason:

Performance resource utilization

Relationships

PE file structure

Show functions

Import table

kernel32.dll

GetLastError, HeapFree, HeapAlloc, GetCurrentThreadId, GetCommandLineA, GetVersionExA, GetProcessHeap, WriteFile, WideCharToMultiByte, GetConsoleCP, GetConsoleMode, EnterCriticalSection, LeaveCriticalSection, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, MultiByteToWideChar, ReadFile, GetProcAddress, GetModuleHandleA, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, InterlockedIncrement, SetLastError, InterlockedDecrement, CloseHandle, HeapDestroy, HeapCreate, VirtualFree, DeleteCriticalSection, VirtualAlloc, HeapReAlloc, FlushFileBuffers, SetFilePointer, SetHandleCount, GetStdHandle, GetFileType, GetStartupInfoA, ExitProcess, GetModuleFileNameA, Sleep, RtlUnwind, FreeEnvironmentStringsA, GetEnvironmentStrings, FreeEnvironmentStringsW, GetEnvironmentStringsW, QueryPerformanceCounter, GetTickCount, GetCurrentProcessId, GetSystemTimeAsFileTime, WriteConsoleA, GetConsoleOutputCP, WriteConsoleW, SetStdHandle, GetCPInfo, GetACP, GetOEMCP, InitializeCriticalSection, LoadLibraryA, CreateFileA, GetLocaleInfoA, GetStringTypeA, GetStringTypeW, LCMapStringA, LCMapStringW, HeapSize, SetEndOfFile

Export table

_adler32_combine@12

_crc32_combine@12

_deflateSetHeader@8

_deflateTune@20

_gzdirect@4

_inflateGetHeader@8

_inflatePrime@12

adler32

compress

compress2

compressBound

crc32

deflate

deflateBound

deflateCopy

deflateEnd

deflateInit_

deflateInit2_

deflateParams

deflatePrime

deflateReset

deflateSetDictionary

get_crc_table

gzclearerr

gzclose

gzdopen

gzeof

gzerror

gzflush

gzgetc

gzgets

gzopen

gzprintf

gzputc

gzputs

gzread

gzrewind

gzseek

gzsetparams

gztell

gzungetc

gzwrite

inflate

inflateBack

inflateBackEnd

inflateBackInit_

inflateCopy

inflateEnd

inflateInit_

inflateInit2_

inflateReset

inflateSetDictionary

inflateSync

inflateSyncPoint

uncompress

zError

zlibCompileFlags

zlibVersion

zlibwapi.dll

zlib by US Tech Support LLC (Signed)

Remove zlibwapi.dll

Version:	1.2.3
MD5:	2981d66358309e115a985942d1c3f101
SHA1:	7e4d839a425afe741bd9d5b73ac629568784cbca

Overview

zlibwapi.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 MyCleanPC PC Optimizer published by USTechSupport, USTechSupport PC Optimizer from USTechSupport and USTechSupport PC Optimizer by USTechSupport. The file is digitally signed by US Tech Support LLC which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Windows 7 Ultimate (6.1.7601.65536).

Details

File name:	zlibwapi.dll
Product name:	zlib
Description:	zlib data compression library
Typical file path:	C:\Program Files\ustechsupport\pc optimizer\zlibwapi.dll
Original name:	zlib1.dll
File version:	1.2.3
Size:	118.31 KB (121,152 bytes)
Build date:	11/29/2006 2:16 PM
Certificate
Issued to:	US Tech Support LLC
Authority (CA):	VeriSign
Effective date:	Monday, July 9, 2012
Expiration date:	Wednesday, July 10, 2013
Digital DNA
PE subsystem:	Windows GUI
File packed:	No
.NET CLR:	No

More details

Programs

The following programs will install this file

MyCleanPC PC Optimizer

USTechSupport

61% remove

MyCleanPC PC Optimizer is the exact same rebranded verion of MyCleanPC that requires you to purchase an activation code for the full version of MyCleanPC. MyCleanPC PC Optimizer is a Windows registry repair software utility designed to fix potentially damaged registry entries by scanning for entries that point to various files that are no longer active on the PC.

USTechSupport PC Optimizer

USTechSupport

56% remove

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.

CleanPCNow PC Optimizer

USTechSupport

63% remove