What is ycommon.exe? Is ycommon.exe spyware or a virus?

How to fix ycommon.exe related problems?
1. Run Security Task Manager to check your ycommon process
2. Run Windows Repair Tool to repair ycommon.exe related Windows Errors
3. Run MalwareBytes to remove persistent malware

Process name: YCommon Exe Module

Product: Yahoo! Messenger

Company: Yahoo! (yahoo.com)

File: ycommon.exe


An addon application, the YCommon Exe Module runs as a background process and signs you into any applicable Yahoo website or application with the same credentials. As long as Ycommon is running, your Yahoo credentials will be synchronized through either your browser or the Yahoo Messenger application. Founded in 1994, Yahoo! Inc. primarily focuses on their internet search engine and related internet services, such as Yahoo! mail.http://www.neuber.com/taskmanager/process/ycommon.exe.html 
If you want a detailed security rating about your ycommon.exe (and all other running background processes) read the following user opinions, and download the free trial version of Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!


Click to Run a Free Scan for ycommon.exe related errors


Users Opinions

Average user rating of ycommon.exe: based on 10 votes. Read also the 10 reviews.

  • 260 users ask for this file. 4 users rated it as not dangerous. One user rated it as not so dangerous. One user rated it as neutral. 3 users rated it as little bit dangerous. One user rated it as dangerous. 3 users didn't rate it ("don't know").

All comments about ycommon.exe:
part of yahoo dsl bfagan
Deleting this file is essential if you see it running after you open Internet Explorer. stills
I have SBC/Yahoo DSL which includes a large collection of files and programs
All I know is that my computer starts running at 100%CPU from this thing. I end the process and everything is fine and I am still on yahoo with no interruptions which makes me wonder if it really is yahoo. If it was, wouldn't it close the window?
You will find that yahoo VERY often hides its applications, such as this one so that users cannot uninstall them, that alone tells me that Yahoo products are spyware. Joseph
just installed Yahoo DSL and ZoneAlarm didn't know what ycommon was  See also: Link tony
I know little about this file. But, when I start my BT! Yahoo browser and nothing happens, stopping this process will make the browser open immediately. (Before I would have to restart the computer.) Tama
my computer also runs at 100% when it runs I have not had any problems after I erased it with counterspy JMitchell
i think it is a worm that yahoo put in
It appeared on my PC just one week before a serious infection with Sypware Protect 2009 manifested itself. Its associated prefetch file on the WINDOWS Prefetch folder cannot be moved, copied, and resistes deletion or even examination of its contents withe the Windows Notepad even with the computer running in Safe Mode and even with full Administrator privileges and even by using the DOS window, which should not be for prefetch files since these files are supposed to be erasable from the Prefetch folder Pete Donaldson

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More process information

Is ycommon.exe spyware or a virus, trojans, adware or worm? Is there a known ycommon.exe error?


Other Processes

ycommon.exe [all processes]