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:   2009, 9, 16, 01
MD5:   809aff21ffcbcc2fba52c84ec735cdc4
SHA1:   58e185f250534b866203d2b041c18e4bf4cd6d05
SHA256:   648f1b90144496f969253417f8fc63c543f5fbfd9752d4ebabdaa3ccc65b8c7b

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:2009, 9, 16, 01
Product version:8, 2, 0, 0
Size:208.34 KB (213,344 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

ResourcesPrograms

The following programs will install this file
att.net Toolbar
 AT&T Inc.
  67% remove
“The att.net Toolbar puts everything at your fingertips with quick and easy access to your favorite online sites and applications with just one click! It's always available right from your browser window so you can conveniently access your email, att.net home page, help & support, search, and key security features anytime - all from one easy location. You can customize your toolbar with your favorite sites and applications to make it you...”
Yahoo! Toolbar
 Yahoo! Inc.
  52% remove
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. "Some versions of Yahoo! Toolbar allow you to share information with Yahoo! about sites you visit to improve Yahoo! services. Yahoo! Toolbar will transmit the following information to Yahoo!: complete web site addresses...

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00826959%
0.028634%
Kernel CPU:0.00479585%
0.013761%
User CPU:0.00347374%
0.014873%
Kernel CPU time:78,062 ms/min
100,923,805ms/min
CPU cycles:718,984/sec
17,470,203/sec
Context switches:1/sec
284/sec
Memory
Private memory:1.47 MB
21.59 MB
Private (maximum):4.85 MB
Private (minimum):4.22 MB
Non-paged memory:1.47 MB
21.59 MB
Virtual memory:52.74 MB
140.96 MB
Virtual memory (peak):55.41 MB
169.69 MB
Working set:4.11 MB
18.61 MB
Working set (peak):4.87 MB
37.95 MB
Page faults:1,367/min
2,039/min
I/O
I/O read transfer:9.05 KB/sec
1.02 MB/min
I/O read operations:28/sec
343/min
I/O write transfer:8 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:4.13 KB/sec
448.09 KB/min
I/O other operations:236/sec
1,671/min
Resource allocations
Threads:4
12
Handles:110
600
GUI GDI count:8
103
GUI GDI peak:9
142
GUI USER count:4
49
GUI USER peak:4
71

BehaviorsProcess properties

Integrety level:Undefined
Platform:32-bit
Command lines:
  • "C:\Program Files\yahoo!\companion\installs\cpn1\ytbb.exe" -embedding
  • "C:\Program Files\yahoo!\companion\installs\cpn4\ytbb.exe" -embedding
  • "C:\Program Files\yahoo!\companion\installs\cpn2\ytbb.exe" -embedding
  • "C:\Program Files\yahoo!\companion\installs\cpn3\ytbb.exe" -embedding
Owner:User
Parent process:svchost.exe (Generic Host Process for Win32 Services by Microsoft)

ResourcesThreads

Averages
 
ntdll.dll
Total CPU:0.01045169%
0.272967%
Kernel CPU:0.00000000%
0.107585%
User CPU:0.01045169%
0.165382%
CPU cycles:8,805/sec
5,741,424/sec
Memory:1.66 MB
1.16 MB
ytbb.exe (main module)
Total CPU:0.00926006%
Kernel CPU:0.00680112%
User CPU:0.00245895%
CPU cycles:241,978/sec
Memory:224 KB

Common loaded modules

These are modules that are typiclaly loaded within the context of this process.

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%
Back to top
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

Download it for FREE