Should I block it?

45%
45% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

2, 0, 0, 120 33.33%
2, 0, 0, 118 33.33%
2, 0, 0, 117 33.33%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
CloseServiceHandle, OpenProcessToken, RegQueryInfoKeyW, RegEnumKeyExW, RegCreateKeyExW, RegDeleteKeyW, ChangeServiceConfigW, SetServiceStatus, RegisterServiceCtrlHandlerExW, StartServiceCtrlDispatcherW, RegisterEventSourceW, ReportEventW, DeregisterEventSource, ControlService, RegDeleteValueA, RegSetValueExA, RegOpenKeyExA, RegCloseKey, RegOpenKeyExW, RegQueryValueExW, QueryServiceStatus, OpenSCManagerW, OpenServiceW, RegDeleteValueW, RevertToSelf, InitiateSystemShutdownExW, RegSetValueExW, AdjustTokenPrivileges, LookupPrivilegeValueW, OpenThreadToken, DeleteService, CreateServiceW, RegEnumValueW, EnumServicesStatusW, QueryServiceConfigW, RegFlushKey, LogonUserW, ImpersonateLoggedOnUser
kernel32.dll
LoadLibraryA, FormatMessageA, HeapReAlloc, InterlockedExchange, GetACP, GetLocaleInfoA, GetThreadLocale, GetVersionExA, InterlockedCompareExchange, GetStartupInfoW, SetUnhandledExceptionFilter, QueryPerformanceCounter, TerminateProcess, UnhandledExceptionFilter, IsDebuggerPresent, HeapSize, GetVersion, OutputDebugStringW, FlushFileBuffers, HeapAlloc, LoadLibraryW, GetProcAddress, GetThreadTimes, GetCommandLineW, WaitForMultipleObjects, GetSystemTime, lstrcmpiW, LoadLibraryExW, FreeLibrary, GetModuleHandleW, InterlockedDecrement, InterlockedIncrement, GetUserDefaultLangID, ResetEvent, GetModuleFileNameW, HeapDestroy, HeapCreate, GetSystemDirectoryW, CompareFileTime, GlobalFree, FindFirstVolumeW, FindNextVolumeW, FindVolumeClose, GetSystemPowerStatus, LocalAlloc, LocalFree, GetLastError, GetFileInformationByHandle, CloseHandle, lstrlenW, GetSystemTimeAsFileTime, GetVersionExW, GetVolumeInformationW, GetDiskFreeSpaceW, Sleep, MultiByteToWideChar, EnterCriticalSection, LeaveCriticalSection, DeleteCriticalSection, WideCharToMultiByte, FindResourceW, SizeofResource, LockResource, LoadResource, FindResourceExW, InitializeCriticalSection, GetComputerNameExW, GetSystemInfo, WaitForSingleObject, GetComputerNameW, SetLastError, GetTickCount, RaiseException, CreateFileW, SystemTimeToFileTime, GetLocalTime, FindClose, FindNextFileW, FindFirstFileW, GetFileAttributesW, GetFileTime, GetFileSize, DeviceIoControl, GetDriveTypeW, FindVolumeMountPointClose, FindNextVolumeMountPointW, FindFirstVolumeMountPointW, GetVolumeNameForVolumeMountPointW, GetLogicalDriveStringsW, QueryDosDeviceW, GetDiskFreeSpaceExW, CreateThread, CreateEventW, SetEvent, SetPriorityClass, GetCurrentProcess, GetCurrentProcessId, GetProcessIoCounters, OpenProcess, SetThreadPriority, HeapFree, GetProcessHeap, GlobalAlloc, ResumeThread, GetThreadPriority, GetCurrentThread, SetThreadExecutionState, SetEndOfFile, SetFilePointer, DeleteFileW, WriteFile, ReadFile, OpenThread, GetCurrentThreadId, GetExitCodeProcess, CreateProcessW, GetLogicalDrives, MoveFileExW
msvcp80.dll
DllMain
msvcr80.dll
DllMain
ntdll.dll
towlower, NtWaitForSingleObject, NtDeviceIoControlFile, NtFsControlFile, NtCreateFile, RtlInitUnicodeString, NtClose, RtlNtStatusToDosError, NtCreateEvent, _allmul, _alldiv, RtlTimeToSecondsSince1980, NtReadFile, _allshl, _aullshr, _chkstk, wcscmp, RtlUnwind, RtlSetBits, RtlFindClearBitsAndSet, RtlFindLongestRunClear, iswctype, _wcslwr, RtlInitializeBitMap, RtlClearBits, RtlFindSetBitsAndClear, wcscat, _allrem, strncpy, wcscpy, wcsncpy, _snwprintf, strncmp, strchr, strtoul, wcstoul, labs, memcmp, RtlCompareMemory, wcschr, wcsrchr, NtQueryDirectoryFile, _wcsnicmp, strlen, towupper, tolower, toupper, NtQueryInformationFile, wcslen, wcsncmp, qsort, wcsstr, _wcsicmp, _wtoi, iswdigit, memset, _aullrem, _aulldiv, memcpy
ole32.dll
CoCreateInstance, CoTaskMemFree, ProgIDFromCLSID, CoUninitialize, CoInitializeEx, CreateStreamOnHGlobal, CoMarshalInterThreadInterfaceInStream, CoGetInterfaceAndReleaseStream, CoResumeClassObjects, CoInitializeSecurity, CoSuspendClassObjects, CoTaskMemAlloc, CoTaskMemRealloc, CoRegisterClassObject, CoRevokeClassObject, StringFromGUID2, GetHGlobalFromStream
psapi.dll
EnumProcesses
shfolder.dll
SHGetFolderPathW
user32.dll
DispatchMessageW, MessageBoxW, GetMessageW, PeekMessageW, CharNextW, TranslateMessage, PostThreadMessageW, LoadStringW, CharToOemW, CharLowerBuffW, CharUpperW, wsprintfW, UnregisterClassA
userenv.dll
UnregisterGPNotification, EnterCriticalPolicySection, LeaveCriticalPolicySection, RegisterGPNotification
wininet.dll
InternetConnectA, HttpOpenRequestA, InternetOpenA, InternetReadFile, InternetSetOptionW, InternetCloseHandle, InternetQueryOptionW, HttpSendRequestA, HttpQueryInfoA
Export table
_DefragCancelVerifyVolume@8
_DefragClearBootMountIntent@8
_DefragDebugMessage@8
_DefragOfflineComplete@4
_DefragOfflineMoveFile@40
_DefragOnlineMoveFile@28
_DefragOnlineQueryExtentInformation@24
_DefragOpenFile@20
_DefragOpenVolume@16
_DefragOpenVolumeEx@16
_DefragPDBootComplete@0
_DefragQueryAllInformation@52
_DefragQueryAllocationBitmap@24
_DefragQueryAttributeDefinitions@16
_DefragQueryAttributeName@28
_DefragQueryDllVersion@8
_DefragQueryDriverVersion@16
_DefragQueryExtentInformationEx@44
_DefragQueryFileId@12
_DefragQueryMftBitmap@28
_DefragQueryNameInformation@28
_DefragQueryNonResidentAttributes@24
_DefragQueryNonResidentAttributesEx@20
_DefragQueryNtfsInfo@8
_DefragQueryVolumeState@20
_DefragReboot@0
_DefragSetBootMountIntent@12
_DefragSpecifyDebugFile@16
_DefragUnloadIntent@0
_DefragVerifyVolume@8
_DefragWaitVerifyVolume@8
_DefragZeroFile@8

Rx2Engine.exe

PerfectSpeed by Raxco Software (Signed)

Remove Rx2Engine.exe
Version:   2, 0, 0, 117
MD5:   ede7334cbe094b09d2ff4e8c14c2bbe3
SHA1:   2f009968a36a557d1e6d64a02718b6aa206a2bef

What is Rx2Engine.exe?

Rx2Engine Module for PerfectDisk is a defragmentation utility for Windows published by Raxco Software. PerfectDisk attempts to defragment drives in a single pass of a drive, as opposed to a common approach of running continuously and gradually defragmenting the file system. PerfectDisk has the capability of a scheduled defrag managed by an internal task scheduler. It also offers the option to defrag during screen saver activity, or when the PC is idle.

Overview

rx2engine.exe runs as a service under the name Rx2Engine within the local user context. This is typically installed with the program PerfectSpeed PC Optimizer published by Raxco Software Inc.. The file is digitally signed by Raxco Software which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:rx2engine.exe
Publisher:Raxco Software, Inc.
Product name:PerfectSpeed
Description:Rx2Engine Module
Typical file path:C:\Program Files\raxco\perfectspeed20\rx2engine.exe
File version:2, 0, 0, 117
Size:1.29 MB (1,348,360 bytes)
Certificate
Issued to:Raxco Software
Authority (CA):VeriSign
Effective date:Tuesday, March 27, 2012
Expiration date:Monday, May 25, 2015
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
Raxco Software Inc.
  54% remove
This is a PC optimization program that is supposed to increase the speed of computer by removing invalid entries the computer's registry. 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.

BehaviorsBehaviors

Service
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • Rx2Engine

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Professional 50.00%
Windows Vista Home Premium 50.00%

Distribution by countryDistribution by country

Egypt installs about 50.00% of PerfectSpeed.
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