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What is ymmapi.dll?

Part of Yahoo! Mail by Yahoo!

What is it?

Yahoo! Mail is a free e-mail service offered by Yahoo!.
Download Boost and enjoy your PC. Speed up Yahoo! Mail and optimize your PC.

How is ymmapi.dll loaded?

Context menu handler - ymmapi.dll is typically associtated with identifier name of Yahoo! Mail. Windows Explorer displays a context menu for a file object when it is clicked with the right mouse button. This context menu allows various operations to be performed on the file object from within Explorer, like printing it or opening it with another program.
Approved shell extension - ymmapi.dll has a CLSID (globally unique identifier) of {5464D816-CF16-4784-B9F3-75C0DB52B499} with and identifier of Yahoo! Mail. When the system detects that the user is downloading an external program that runs as part of the Windows user interface, the system searches for a digital certificate or requests that the user approve the action. If you enable this policy, Windows only starts approved programs.
Shell open command - ymmapi.dll is typically associtated with identifier name of mailto with and identifier of rundll32.exe "C:\Program Files1\Yahoo!\Common\YMMAPI.dll",MailToProtocolHandler %1. A Shell Open Command allows for an association of a file extension and a program. This association allows an application to be run when the icon or a context menu item is clicked upon in the Windows Explorer window.

Community

What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the ymmapi.dll file.Of the 0.1% of ymmapi.dll users, 14.0% have disabled it.
Typical file (disk image) location:
C:\Program Files\yahoo!\common\ymmapi.dll

Are there other versions of Yahoo! Mail?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)

About Yahoo! Inc.

Yahoo was founded in 1994 by David Filo and Jerry Yang. It has since evolved into a major internet brand with search, content verticals, and other web services. More...
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File details

File name: ymmapi.dll
Publisher: Yahoo! Inc. (verified)
Name: Yahoo! Mail
Description: Yahoo! Mail
Version: 2005, 1, 1, 10
Product version: 1, 0, 0, 0
Size: 196.52 KB
Original file name: YMMAPI.DLL

Digital certificate

Issued to: Yahoo! Inc.
Certificate authority: VeriSign
Effective date: 8/10/2006
Expiration date: 9/3/2009

Context menu handler details

Name: Yahoo! Mail

Approved shell extension details

CLSID: {5464D816-CF16-4784-B9F3-75C0DB52B499}
Command: Yahoo! Mail

Shell open command details

Name: mailto
Command: rundll32.exe "C:\Program Files1\Yahoo!\Common\YMMAPI.dll",MailToProtocolHandler %1

Image hashes

MD5: 1f5ab2484c761395ef6bcdbba8e0ece2
SHA-1: 93204c3a77f32a7e8cf0320fc9c39aa810c21cd6
SHA-256: 26ef594835bbff454d34d6d2bf260d69fd15b7286e4e5be90fcdf605e9f08590

PE image details

File packed: No
Import Table
advapi32.dll
gdi32.dll
kernel32.dll
ole32.dll
shell32.dll
shlwapi.dll
urlmon.dll
user32.dll
version.dll
wininet.dll
Export Table
dllcanunloadnow
dllgetclassobject
dllregisterserver
dllunregisterserver
mailtoprotocolhandler
mapiaddress
mapideletemail
mapidetails
mapifindnext
mapifreebuffer
mapilogoff
mapilogon
mapireadmail
mapiresolvename
mapisavemail
mapisenddocuments
mapisendmail
openinboxhandler
openurl
openurlnoappend
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