yt.dll
Yahoo! Toolbar by Yahoo! Inc. (Signed)
Overview
yt.dll has 38 known versions, the most recent one is 2014, 3, 18, 02. It is installed as an Internet Explorer extension as a Browser Helper Object, often without any obvious user interface, and will start when IE loads. The average file size is about 1.23 MB. It is an authenticode code-signed executable issued to Yahoo! Inc. by the certification authority VeriSign. The programs Yahoo! Toolbar, Frontier Yahoo! Toolbar and BT Yahoo! Toolbar have been observed as installing specific variations of yt.dll. The library is loaded into Internet Explorer as a BHO (browser helper object).
What is yt.dll?
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 yt.dll (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”
 Details
|
| File name: | yt.dll |
| Publisher: | Yahoo! Inc. |
| Product name: | Yahoo! Toolbar |
| Typical file path: | C:\Program Files\yahoo!\companion\installs\cpn\yt.dll |
| Certificate |
| Issued to: | Yahoo! Inc. |
| Authority (CA): | VeriSign |
| Effective date: | Thursday, August 10, 2006 |
| Expiration date: | Thursday, September 3, 2009 |
Programs installed in
(Note, the programs listed below are for all versions of Yahoo! Toolbar.)
“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 wind...”
“With Verizon Yahoo! Toolbar, You're always in touch with your world. Preview the latest news, Facebook, weather, and more, right in your toolbar. Quickly preview your eBay listings, stock portfolios, ...”
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...
“With Frontier Yahoo! Toolbar, you're always in touch with your world. Preview the latest news, Facebook, weather, and more, right in your toolbar! Easily customize your Toolbar to get only the informa...”
“The most unique attribute of Yahoo! Browser Services is its ability to update and add new services on the fly without a browser restart or even reloading the page! As a user, this means no more instal...”
“Get Facebook, email, news, weather and more - right from your toolbar. Yahoo Search Protection is offered as an additional service when you install Yahoo Toolbar for Internet Explorer. It allows you t...”
“Yahoo! Toolbar is included in the Typical Install when downloading Yahoo! Messenger. Yahoo! Toolbar allows you to check if your friends are online and change your status right from the browser. You ca...”
“BT Yahoo! Toolbar, a toolbar that resides at the top of your Web browser, packages features that give new meaning to "surfing the Web". Customise—make BT Yahoo! Toolbar your own with Apps displayed in...”
Behaviors
(Note, the behaviors below are for all versions of yt.dll, select a unique version for details.)
Internet Explorer Browser Helper Object
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects'
- BHO CLSID: {02478D38-C3F9-4efb-9B51-7695ECA05670}
Internet Explorer toolbars
Located in the registry at 'SOFTWARE\Microsoft\Internet Explorer\Toolbar'
- CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}
Safe for scripting controls
Marked as a safe ActiveX control for Internet Explorer (digitally signed with script execution permission)
- Implemented as 'CLSID\{EF99BD32-C1FB-11D2-892F-0090271D4F88}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
- Implemented as 'CLSID\{02478D38-C3F9-4efb-9B51-7695ECA05670}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
Safe for initializing controls
- {EF99BD32-C1FB-11D2-892F-0090271D4F88}
- {02478D38-C3F9-4efb-9B51-7695ECA05670}
Internet Explorer URL search hooks
- CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}
- CLSID: {81017EA9-9AA8-4A6A-9734-7AF40E7D593F}
Internet Explorer web browsers
Located in the registry at 'SOFTWARE\Microsoft\Internet Explorer\Toolbar\WebBrowser'
- CLSID: {EF99BD32-C1FB-11D2-892F-0090271D4F88}
All file variations of yt.dll
Distribution by Windows OS
| OS version | distribution |
| Microsoft Windows XP |
26.03% |
|
| Windows 7 Home Premium |
21.58% |
|
| Windows 7 Ultimate |
11.99% |
|
| Windows Vista Home Premium |
11.64% |
|
| Windows 7 Professional |
7.88% |
|
| Windows 8 Pro |
5.82% |
|
| Windows 8 |
4.45% |
|
| Windows Vista Ultimate |
3.08% |
|
| Windows 7 Starter |
2.40% |
|
| Windows Seven Black Edition |
2.05% |
|
| Windows 8.1 |
1.03% |
|
| Windows 8 Single Language |
0.68% |
|
| Windows 8 Pro with Media Center |
0.34% |
|
| Windows Vista Home Basic |
0.34% |
|
| Windows XP Home Edition |
0.34% |
|
| Windows XP Professional |
0.34% |
|
Distribution by country
United States installs about 54.77% of Yahoo! Toolbar.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| Hewlett-Packard |
22.96% |
|
| Dell |
18.73% |
|
| Toshiba |
13.90% |
|
| ASUS |
13.90% |
|
| Acer |
9.97% |
|
| Intel |
4.83% |
|
| GIGABYTE |
3.93% |
|
| American Megatrends |
3.93% |
|
| Sahara |
2.11% |
|
| Samsung |
2.11% |
|
| Lenovo |
1.81% |
|
| Sony |
1.21% |
|
| Gateway |
0.60% |
|
