Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

11,5,0,0228 76.67%
11,5,0,0192 6.20%
11,5,0,0155 1.99%
11,5,0,0152 2.98%
11,0,0,2014 4.96%
11,0,0,2009 1.49%
10,0,0,1270 3.97%
10,0,0,1258 0.25%
10,0,0,1102 0.25%
10,0,0,542 0.50%
10,0,0,331 0.50%
9,0,0,2162 0.25%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegEnumKeyExW, RegCloseKey, RegQueryValueExW, RegOpenKeyExW, RegSetValueExW, RegCreateKeyExW, ReportEventA, DeregisterEventSource, RegQueryInfoKeyW, RegEnumValueW, RegDeleteKeyW, RegDeleteValueW, RegEnumKeyW, RegisterEventSourceA, SetSecurityDescriptorDacl, InitializeSecurityDescriptor
comctl32.dll
ImageList_GetIconSize, ImageList_Draw, CreateToolbarEx, ImageList_AddMasked, CreateStatusWindowW, ImageList_BeginDrag, ImageList_EndDrag, ImageList_DragMove, ImageList_DragEnter, _TrackMouseEvent, ImageList_GetImageCount, InitCommonControlsEx, ImageList_Create, ImageList_Add, ImageList_Destroy, ImageList_ReplaceIcon, ImageList_DragLeave
comdlg32.dll
GetSaveFileNameW, PrintDlgW, ChooseColorW, GetOpenFileNameW, ChooseFontW
connectionwizard.dll
cwCleanup, cwTestStop, cwVipTestStart, cwLoginServerTestStart, cwStopLogging, cwStartLogging, cwInitialize, cwCsTestStart
crypt32.dll
CertCloseStore, CertFreeCertificateContext, CertGetNameStringW, CertGetEnhancedKeyUsage, CertFindCertificateInStore, CryptMsgGetParam, CryptMsgClose, CryptQueryObject, CryptUnprotectData, CryptProtectData
gdi32.dll
SaveDC, RestoreDC, CreateBitmap, PatBlt, SetBkColor, MoveToEx, LineTo, CreatePen, SetTextColor, GetStockObject, GetObjectW, CreateSolidBrush, BitBlt, CreateCompatibleDC, CreateCompatibleBitmap, SelectObject, DeleteDC, GetDeviceCaps, DeleteObject, FrameRgn, CreatePolygonRgn, CreateRoundRectRgn, EnumFontFamiliesExW, SelectClipRgn, RoundRect, SetROP2, LPtoDP, GetTextExtentPoint32W, GetTextFaceW, GetTextMetricsW, CreateFontIndirectW, SetBkMode, ExtTextOutW, TextOutW, GetBkColor, GetBkMode, Rectangle, FillRgn, CombineRgn, CreateRectRgn, CreatePatternBrush, StretchBlt, CreateFontW, EndDoc, EndPage, StartPage, StartDocW, GetTextExtentPointW, SetStretchBltMode, CreateDIBSection, CreateDCW, GetPixel, GetTextExtentExPointW
gdiplus.dll
GdiplusShutdown, GdiplusStartup
imm32.dll
ImmReleaseContext, ImmGetContext, ImmAssociateContext, ImmGetCompositionStringW
iphlpapi.dll
GetAdaptersInfo
kernel32.dll
GetLocaleInfoA, VirtualAlloc, GetThreadLocale, IsProcessorFeaturePresent, GetProcessHeap, GetStartupInfoW, UnhandledExceptionFilter, SetUnhandledExceptionFilter, VirtualFree, LoadLibraryExW, IsDebuggerPresent, QueryPerformanceCounter, FlushConsoleInputBuffer, GetStdHandle, GetFileType, GetVersion, InitializeCriticalSectionAndSpinCount, HeapSize, HeapReAlloc, HeapFree, HeapAlloc, HeapDestroy, HeapCreate, WritePrivateProfileStringA, Beep, CreateMutexW, ReleaseMutex, GetCurrentProcessId, WritePrivateProfileSectionW, GetSystemTimeAsFileTime, GetPrivateProfileStringA, GetSystemTime, GetCPInfoExW, GetACP, GetVersionExA, SetErrorMode, CreateProcessW, GetExitCodeProcess, TerminateProcess, lstrcpyW, GetTimeFormatW, GetDateFormatW, lstrcmpA, GetTempFileNameW, CompareFileTime, MoveFileW, RemoveDirectoryW, GetSystemDirectoryW, GetWindowsDirectoryW, GetSystemWindowsDirectoryW, GetFileAttributesExW, CreateFileA, DosDateTimeToFileTime, LocalFileTimeToFileTime, SetFileTime, LoadLibraryW, CreateSemaphoreW, InterlockedExchange, ResumeThread, OutputDebugStringW, CreateThread, WaitForMultipleObjects, ExitThread, TerminateThread, WritePrivateProfileStringW, InterlockedCompareExchange, FormatMessageW, WaitForSingleObject, InterlockedIncrement, GetLocalTime, SetEvent, ResetEvent, GlobalDeleteAtom, GlobalAddAtomW, FindFirstFileW, FindNextFileW, FindClose, CreateEventW, Sleep, GetFileTime, FileTimeToSystemTime, SizeofResource, LockResource, LoadResource, FindResourceW, FindResourceExW, lstrcmpiW, EnterCriticalSection, LeaveCriticalSection, GetLastError, SetLastError, lstrlenW, FlushInstructionCache, GetCurrentProcess, lstrcmpW, MulDiv, GetModuleFileNameW, GlobalUnlock, GlobalLock, GlobalAlloc, RaiseException, GetCurrentThreadId, MultiByteToWideChar, InterlockedDecrement, DeleteCriticalSection, lstrlenA, InitializeCriticalSection, CreateDirectoryA, GetFileAttributesA, FileTimeToDosDateTime, FileTimeToLocalFileTime, GetTempFileNameA, GetTempPathA, SetFileAttributesA, WideCharToMultiByte, GetShortPathNameW, GlobalMemoryStatus, CloseHandle, CreateFileW, lstrcpynW, GetPrivateProfileStringW, GlobalFree, GlobalHandle, WriteFile, SetFilePointer, SetEndOfFile, lstrcpynA, DeleteFileW, SetFileAttributesW, GetFileAttributesW, CreateDirectoryW, GetComputerNameW, LocalFree, LocalAlloc, CopyFileW, GetProcAddress, GetModuleHandleW, GetPrivateProfileIntW, GetTempPathW, GetVersionExW, GetSystemInfo, ReadFile, GetFileSize, GetTickCount, FreeLibrary, LoadLibraryA, DllMain
msimg32.dll
AlphaBlend, GradientFill
msvcp80.dll
DllMain
msvcr80.dll
DllMain
ole32.dll
CoTaskMemAlloc, CoCreateInstance, CreateStreamOnHGlobal, OleInitialize, OleUninitialize, CoTaskMemFree, StringFromCLSID, CoReleaseMarshalData, CoMarshalInterface, CoUnmarshalInterface, CoUninitialize, CoTaskMemRealloc, CoRevokeClassObject, CoRegisterClassObject, OleRun, DoDragDrop, ReleaseStgMedium, CoGetMalloc, RegisterDragDrop, RevokeDragDrop, CoSetProxyBlanket, CoInitializeSecurity, OleGetClipboard, CLSIDFromString, CLSIDFromProgID, CoGetClassObject, CoCreateGuid, OleLockRunning, StringFromGUID2, CoInitialize, OleCreateStaticFromData, OleDuplicateData, OleSetContainedObject, StgCreateDocfileOnILockBytes, CreateILockBytesOnHGlobal, PropVariantClear
pcre.dll
pcre_compile, pcre_exec, pcre_free
rmc_audio.dll
rmc_audio_release_pin, rmc_audio_release, rmc_audio_create, rmc_audio_pin_start, rmc_audio_register_callback, rmc_audio_create_local_play_pin, rmc_audio_stop, rmc_audio_pin_stop, rmc_audio_start, rmc_audio_create_rendering_pin, rmc_audio_unregister_callback
secur32.dll
GetUserNameExW
setupapi.dll
SetupDiGetDeviceRegistryPropertyW, SetupDiEnumDeviceInfo, SetupDiGetClassDevsW, SetupDiDestroyDeviceInfoList
shell32.dll
ShellExecuteW, ShellExecuteExW, SHGetFolderPathW, SHGetFileInfoW, DragQueryFileW, DragAcceptFiles, SHFileOperationW, SHAppBarMessage, Shell_NotifyIconW, SHGetMalloc, SHBrowseForFolderW, SHGetPathFromIDListW, SHCreateDirectoryExW
shlwapi.dll
PathStripPathW, UrlCreateFromPathW, PathFileExistsW, StrCmpNW, PathRemoveExtensionW, StrToIntW, PathIsURLW, PathFindExtensionW, PathCanonicalizeW, PathAppendW, PathIsRelativeW, UrlIsW, SHDeleteKeyW, PathFindFileNameW, wnsprintfW, PathCombineW, StrCpyNW, UrlEscapeW, StrCmpNIW, StrCmpNA, StrStrIW, PathIsDirectoryW, StrCpyW, SHCreateStreamOnFileW, SHStrDupW, PathFileExistsA, PathAddBackslashW, PathRemoveFileSpecW
urlmon.dll
CreateURLMonikerEx
user32.dll
DllMain
version.dll
VerQueryValueW, GetFileVersionInfoW, GetFileVersionInfoSizeW
wininet.dll
InternetSetOptionW, InternetGetCookieW, InternetCloseHandle, InternetCrackUrlW, HttpSendRequestW, HttpOpenRequestW, InternetConnectW, InternetOpenW, InternetGetConnectedStateExW, InternetSetCookieW, HttpQueryInfoW, InternetSetCookieExW, InternetGetCookieExW, HttpOpenRequestA, InternetConnectA, HttpSendRequestExA, InternetWriteFile, HttpEndRequestA, InternetSetOptionA, HttpQueryInfoA, InternetReadFileExA, InternetSetStatusCallbackA, InternetOpenA, InternetReadFile, InternetQueryOptionW, InternetGetCookieA, InternetGetCookieExA, HttpEndRequestW, InternetQueryOptionA, HttpAddRequestHeadersA
winmm.dll
PlaySoundW, timeGetTime
wintrust.dll
WinVerifyTrust
ws2_32.dll
getaddrinfo, freeaddrinfo
wtsapi32.dll
WTSRegisterSessionNotification, WTSUnRegisterSessionNotification
xmllite.dll
CreateXmlWriter, CreateXmlReader
ylog.dll
ylog_debug, ylog_warning, ylog_error
ymdm_audio.dll
ymdm_audio_device_release, ymdm_audio_device_get_info, ymdm_audio_device_count_devices, ymdm_audio_device_create, ymdm_audio_device_display_name
ymdm_video.dll
ymdm_video_capt_device_count, ymdm_video_capt_device_get_info, ymdm_video_capt_device_create, ymdm_video_capt_device_release

YahooMessenger.exe

Yahoo! Messenger by Yahoo! Inc. (Signed)

Remove YahooMessenger.exe
Version:   10,0,0,1102
MD5:   5c68a2a85fd27b404a546e4553fefe05
SHA1:   37754bb4f0be889321b2712649ec0a4359427f11

What is YahooMessenger.exe?

Yahoo! Messenger (YIM) is an ad-supported instant messaging client and protocol by Yahoo!. Yahoo! Messenger is provided free of charge and can be downloaded and used with a generic "Yahoo! ID" which also allows access to other Yahoo! services, such as Yahoo! Mail, where users can be automatically notified when they receive new email.

About YahooMessenger.exe (from Yahoo! Inc.)

Just sign into Yahoo! Mail to enjoy the same Yahoo! Messenger for the Web service you know and love. Yahoo! Messenger within Yahoo! Mail also allows you to chat with your Facebook and Windows Live fri

DetailsDetails

File name:YahooMessenger.exe
Publisher:Yahoo! Inc.
Product name:Yahoo! Messenger
Typical file path:C:\Program Files\Yahoo!\messenger\yahoomessenger.exe
File version:10,0,0,1102
Size:5 MB (5,244,216 bytes)
Certificate
Issued to:Yahoo! Inc.
Authority (CA):VeriSign
Effective date:Wednesday, August 12, 2009
Expiration date:Sunday, September 2, 2012
Digital DNA
PE subsystem:Windows GUI
Entropy:6.472139
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

BehaviorsBehaviors

Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'Yahoo! Pager' → "C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet
  • 'Messenger (Yahoo!)' → "C:\Program Files1\Yahoo!\Messenger\YahooMessenger.exe" -quiet
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe'
  • Firewall exception for 'C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe'
  • Firewall exception for 'C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe'
Scheduled tasks
  • The task '{FF8FDDAA-FA1C-4738-BB7B-E5395E714A5C}' runs on registration in the path '\{FF8FDDAA-FA1C-4738-BB7B-E5395E714A5C}'
  • The job '{FEE0E7C4-2471-421A-B7F2-B7FCDE86041F}' runs on registration in the path '\{FEE0E7C4-2471-421A-B7F2-B7FCDE86041F}'
  • The task '{FE9DD168-2242-4692-9518-F849B006B42E}' runs on registration in the path '\{FE9DD168-2242-4692-9518-F849B006B42E}'
  • The job '{FE1C49CC-7C9E-41AB-8701-EB745F8F8B56}' runs on registration in the path '\{FE1C49CC-7C9E-41AB-8701-EB745F8F8B56}'
  • The task '{FB9D3C00-9DBC-4D9A-81CF-524478AD3C0E}' runs on registration in the path '\{FB9D3C00-9DBC-4D9A-81CF-524478AD3C0E}'
  • The task '{FA79B2F5-7E02-4809-8B35-37242B09F0D8}' runs on registration in the path '\{FA79B2F5-7E02-4809-8B35-37242B09F0D8}'
  • The job '{F83786B3-255D-426C-8E5F-168388CB160D}' runs on registration in the path '\{F83786B3-255D-426C-8E5F-168388CB160D}'
  • The task '{F029C03D-44A7-4F3C-816A-B58D7D9F118B}' runs on registration in the path '\{F029C03D-44A7-4F3C-816A-B58D7D9F118B}'
  • The job '{E8178761-9854-4275-9D41-EDE6CF69B80D}' runs on registration in the path '\{E8178761-9854-4275-9D41-EDE6CF69B80D}'
  • The job '{DD6C57E2-0A17-411F-A257-F27B425B1E2F}' runs on registration in the path '\{DD6C57E2-0A17-411F-A257-F27B425B1E2F}'
  • The task '{DCD0C27A-7B98-4496-8BB0-54774348BE49}' runs on registration in the path '\{DCD0C27A-7B98-4496-8BB0-54774348BE49}'
  • The job '{D4A77F9F-4019-4429-9E31-6B4663884D3E}' runs on registration in the path '\{D4A77F9F-4019-4429-9E31-6B4663884D3E}'
  • The job '{D14D6992-E2DB-4701-8A81-95FA01C505D3}' runs on registration in the path '\{D14D6992-E2DB-4701-8A81-95FA01C505D3}'
  • The task '{CE655DCC-E3B1-4DEA-BC23-E1FA4814A5F3}' runs on registration in the path '\{CE655DCC-E3B1-4DEA-BC23-E1FA4814A5F3}'
  • The task '{CA6ABFEE-82B1-48B9-8C64-2AB8BF2FF498}' runs on registration in the path '\{CA6ABFEE-82B1-48B9-8C64-2AB8BF2FF498}'
  • The job '{C6969615-5B0C-4F8D-84F3-AD11330140E6}' runs on registration in the path '\{C6969615-5B0C-4F8D-84F3-AD11330140E6}'
  • The task '{BE61EF52-4612-49A3-9671-C4AF05E53DC7}' runs on registration in the path '\{BE61EF52-4612-49A3-9671-C4AF05E53DC7}'
  • The job '{AD0A62EE-2740-442F-9BC9-FFBA94D282D0}' runs on registration in the path '\{AD0A62EE-2740-442F-9BC9-FFBA94D282D0}'
  • The task '{A8F88BC7-0E3B-4FA2-84E9-E9989331C21B}' runs on registration in the path '\{A8F88BC7-0E3B-4FA2-84E9-E9989331C21B}'
  • The job '{A471C0C4-3177-417F-8A98-F9F376A9B149}' runs on registration in the path '\{A471C0C4-3177-417F-8A98-F9F376A9B149}'
  • The task '{A34D260B-18EE-403F-B589-12DA6124FAB7}' runs on registration in the path '\{A34D260B-18EE-403F-B589-12DA6124FAB7}'
  • The task '{9CB61C15-ACD2-4FF6-9262-DDE56B2EF936}' runs on registration in the path '\{9CB61C15-ACD2-4FF6-9262-DDE56B2EF936}'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 54.00%
Microsoft Windows XP 17.50%
Windows 7 Ultimate 13.00%
Windows 8 Pro 4.00%
Windows 8 2.00%
Windows 8 Pro with Media Center 1.50%
Windows 7 Professional 1.50%
Windows Seven Black Edition 1.50%
Windows 8 Single Language 1.50%
Windows 7 Home Basic 1.50%
Windows Vista Home Premium 1.50%
Windows 8.1 Single Language Preview 0.50%

Distribution by countryDistribution by country

United States installs about 59.49% of Yahoo! Messenger.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 59.81%
Dell 15.58%
ASUS 6.23%
Hewlett-Packard 4.67%
Acer 4.67%
American Megatrends 4.05%
GIGABYTE 2.18%
Compaq 0.62%
Lenovo 0.62%
Intel 0.62%
Sony 0.62%
Sahara 0.31%
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