This is a hijacker toolbar, a form of malware affecting your Internet brower. It is also known as TrojanClicker.Win32.Delf.r 
You should remove it.

If you can not remove 2_0_1browserhelper2.dll (because you can not locate it, or it is in use), download Security Task Manager. This program can kill the process, delete or quarantine this file, or just list all security related information about this file and all other running background processes.

Click to Run a Free Malware Scan for the 2_0_1browserhelper2.dll worm

Users Opinions

52 users ask for this file. 2 users rated it as not dangerous. 1 user rated it as neutral. 4 users rated it as little bit dangerous. 11 users rated it as dangerous. 1 user didn't rate it ("don't know").

All comments about 2_0_1browserhelper2.dll: It's spyware   A spyware module. Recommended to remove, it will slow your computer and watch your every move!   this file contens virus,and then i can't clean and delete this file.(how to clean/delete this virus)   ecko its dangerous.. even anti-spy is not able to kill its process   opens pop ups and its annoying   close all your IE, unregister it (regsvr32 -u filename), then delete it   Ram enable a logger. it read you web browser and make a xml files with you have written   cooler Trojanische Pferd TR/Dldr.ConHook.L   it's spyware, not really dangerous   It opens lots of pop ups and messes up my ie   joh If you know more about 2_0_1browserhelper2.dll, share your knowledge and help other users. Security Rating:  --- don't know ---  1 (not dangerous)  2  3 (neutral)  4  5 (dangerous) What do you know about this file: Link for more details: Your Name:

More process information

Is 2_0_1browserhelper2.dll spyware or a virus, trojans, adware or worm? Is there a known 2_0_1browserhelper2.dll error?

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[2_0_1browserhelper2.dll in German] [all processes]