What is Yahoo!7 Messenger?

Yahoo!7 Messenger is software application developed by Yahoo! Inc.. It is most commonly found on computers running Windows 7 with nearly 67.31% of installations running this operating system. Yahoo!7 Messenger's installer is typically 25.00 MB in size and installs around 45 files.

Yahoo!7 Messenger is most popular in Australia with 67.25% of installations residing in this country.

Yahoo!7 Messenger adds 2 scheduled tasks to the Windows Task Scheduler launching the program at randomly scheduled times. When using a computer that is connected to the internet, Yahoo!7 Messenger is known to create 2 firewall exceptions to allow inbound and outbound connectivity.

Software Behaviors

Services:

YahooMessenger.exe runs as a service named 'McAfee Application Installer Cleanup (0285841475581559)' (0285841475581559mcinstcleanup).

Firewall:

YahooMessenger.exe is added as a firewall exception for 'C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe'.
Ymsgr_tray.exe is added as a firewall exception for 'C:\Program Files1\Yahoo!\MESSEN~1\ymsgr_tray.exe'.

Scheduled tasks:

YahooMessenger.exe is scheduled as a task with the class '{D556CEAB-DA41-4596-99DC-3BAE7F8CA0DF}' (runs on registration).
Ymsgr_tray.exe is scheduled as a task named 'YahooMessngr Tray' (runs on boot).

Startup Entries

Startup tasks:

YahooMessenger.exe is automatically launched at startup through a scheduled task named 1.
Ymsgr_tray.exe is automatically launched at startup through a scheduled task named YahooMessngr Tray.

Registry entries:

YahooMessenger.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'p5PopularScreensaversWallpaper' and executes as rundll32 C:\Program Files2\POPULA~3\p5ScrCtr.dll,LES.

Registry entries (User):

YahooMessenger.exe is loaded once in the current user (HKCU) registry as a startup file name 'Shockwave Updater' which loads as "C:\Windows\System32\Adobe\SHOCKW~1\SWHELP~1.EXE" -Update -1103472 -"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 1.1.4322; .

Software Details

URL:

https://www.yahoo.com

Support:

–

Installation path:

C:\Program Files\Yahoo!\Messenger

Uninstaller:

C:\Program Files1\Yahoo!\MESSEN~1\UNWISE.EXE /U C:\Program Files1\Yahoo!\MESSEN~1\INSTALL.LOG

Size:

25.00 MB

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