Languages: Multilingual (English, French, German, Chinese, Russian, Swedish and many more).
Compatibility: Windows 2000/XP/Vista/Seven
License: Freeware (personal use).
Author's description:
Malwarebytes is a site dedicated to fighting malware. Malwarebytes has developed a variety of tools that can identify and remove malicious software from your computer. When your computer becomes infected, Malwarebytes can provide the needed assistance to remove the infection and restore the machine back to optimum performance.

Website : http://www.malwarebytes.org/
Download page: http://www.malwarebytes.org/

I would also like to see malwarebytes added

I am afraid it cannot be made portable. Security software like antivirus and antispyware apps are very hard to portablize. This topic was discussed on the Malwarebyte's official forums. Here's the link.

http://forums.malwarebytes.org/index.ph ... =5608&st=0

More info in one of my posts here viewtopic.php?f=32&t=4482&start=0