Should I block it?

60%
60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

2009, 9, 16, 01 3.13%
2009, 9, 16, 01 9.38%
2009, 9, 16, 01 3.13%
2009, 9, 16, 01 31.25%
2009, 9, 16, 01 31.25%
2009, 9, 16, 01 18.75%
2007, 10, 5, 1 3.13%

Relationships

Parent process
Related files

PE structurePE file structure

Show functions
Import table
advapi32.dll
RegQueryValueExW, GetSecurityDescriptorLength, RegSetValueExA, RegSetValueExW, RegCloseKey, RegDeleteValueW, RegDeleteKeyW, RegCreateKeyExW, RegOpenKeyExW, RegQueryInfoKeyW, RegEnumKeyExW
kernel32.dll
GetProcAddress, GetModuleHandleW, lstrcmpiW, EnterCriticalSection, LeaveCriticalSection, GetModuleFileNameW, MultiByteToWideChar, SizeofResource, LoadResource, FindResourceW, CloseHandle, WaitForSingleObject, Sleep, CreateThread, CreateEventW, GetCommandLineW, ReleaseMutex, WideCharToMultiByte, lstrlenA, FindClose, FindNextFileW, FindFirstFileW, DeleteFileW, WriteFile, LockResource, FindResourceExW, LoadLibraryW, GetVersionExW, GetCurrentThreadId, SetEvent, LocalFree, GetTickCount, LocalAlloc, GetCurrentProcess, CreateFileW, CreateDirectoryW, DeleteCriticalSection, GetFileSize, CreateMutexW, WaitForMultipleObjects, SetFilePointer, RtlUnwind, GetSystemTimeAsFileTime, GetCurrentProcessId, QueryPerformanceCounter, GetFileType, SetHandleCount, GetEnvironmentStringsW, FreeEnvironmentStringsW, ExitProcess, LCMapStringW, IsProcessorFeaturePresent, GetStdHandle, HeapCreate, SetLastError, TlsFree, TlsSetValue, InitializeCriticalSectionAndSpinCount, InterlockedIncrement, InterlockedDecrement, lstrlenW, RaiseException, LoadLibraryExW, GetLastError, FreeLibrary, GetConsoleCP, GetConsoleMode, SetStdHandle, FlushFileBuffers, WriteConsoleW, ReadFile, TlsGetValue, TlsAlloc, IsValidCodePage, GetOEMCP, GetACP, GetCPInfo, GetStringTypeW, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, TerminateProcess, GetStartupInfoW, HeapSetInformation, GetFileAttributesW, EncodePointer, DecodePointer, GetProcessHeap, HeapSize, HeapReAlloc, HeapFree, HeapAlloc, HeapDestroy
ole32.dll
CoTaskMemAlloc, CoTaskMemRealloc, CoCreateInstance, CoInitialize, CoUninitialize, CoRevokeClassObject, CoRegisterClassObject, StringFromGUID2, CoCreateGuid, CoAddRefServerProcess, CoReleaseServerProcess, CoTaskMemFree
oleacc.dll
AccessibleObjectFromWindow, AccessibleChildren, GetRoleTextW
shell32.dll
SHGetSpecialFolderPathW, ShellExecuteExW
shlwapi.dll
SHDeleteKeyW, StrStrIW
user32.dll
GetParent, GetClassNameW, GetMessageW, GetDesktopWindow, PostThreadMessageW, CharNextW, FlashWindowEx, DispatchMessageW, LoadStringW, PeekMessageW, MsgWaitForMultipleObjects, SendInput, CharUpperW, GetWindowPlacement, ShowWindow, SetForegroundWindow, TranslateMessage
wininet.dll
InternetCrackUrlW

ytbb.exe

Yahoo! Toolbar Assistant by Yahoo! Inc. (Signed)

Remove ytbb.exe
Version:   2007, 10, 5, 1
MD5:   34f6b958ddeb6459d5bcef923ad3d0f8
SHA1:   3d3fb2ee0ca448c1809e25644136d24b9c41714a
SHA256:   d6fd1cb84cc48305790a7201f519d7865750a786abeddd35e316265c35f123f5

What is ytbb.exe?

Yahoo! Toolbar is a toolbar that installs on the Internet Explorer and Firefox browsers, within the context of internet access functions. It allows access to several functions, including Yahoo! Search and Yahoo! Mail. Several additional features are available on the Internet Explorer version.

About ytbb.exe (from Yahoo! Inc.)

Yahoo! Toolbar is included in the typical install when downloading Yahoo! Messenger or various other Yahoo! free products. Yahoo! Toolbar allows you to check if your friends are online and change your

DetailsDetails

File name:ytbb.exe
Publisher:Yahoo! Inc.
Product name:Yahoo! Toolbar Assistant
Typical file path:C:\Program Files\Yahoo!\companion\Installs\cpn0\ytbb.exe
File version:2007, 10, 5, 1
Product version:7, 1, 0, 0
Size:153.29 KB (156,968 bytes)
Certificate
Issued to:Yahoo! Inc.
Authority (CA):VeriSign
Effective date:Wednesday, August 12, 2009
Expiration date:Sunday, September 2, 2012
Digital DNA
Entropy:6.330001
File packed:No
.NET CLR:No
More details

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00567491%
0.028634%
Kernel CPU:0.00567491%
0.013761%
Kernel CPU time:187 ms/min
100,923,805ms/min
Memory
Private memory:1.81 MB
21.59 MB
Private (maximum):5.93 MB
Private (minimum):116 KB
Non-paged memory:1.81 MB
21.59 MB
Virtual memory:55.07 MB
140.96 MB
Virtual memory (peak):61.67 MB
169.69 MB
Working set:224 KB
18.61 MB
Working set (peak):5.93 MB
37.95 MB
Resource allocations
Threads:4
12
Handles:180
600
GUI GDI count:9
103
GUI GDI peak:11
142
GUI USER count:2
49
GUI USER peak:4
71

BehaviorsProcess properties

Integrety level:High
Platform:32-bit
Command line:"C:\Program Files\yahoo!\companion\installs\cpn\ytbb.exe" -embedding
Owner:User
Parent process:svchost.exe (Host Process for Windows Services by Microsoft Corporation)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 40.00%
Windows 7 Professional 20.00%
Windows 7 Home Premium 20.00%
Windows XP Professional 20.00%

Distribution by countryDistribution by country

United States installs about 75.00% of Yahoo! Toolbar Assistant.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 50.00%
Intel 50.00%
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