Emsisoft released an Emergency Kit which is portable and will help you to remove infections affected your computer. This product is Free for private use.
This product contains 4 utilities
1. Emsisoft Emergency Kit Scanner
This will provide a scanner which will scan your computer for Viruses, Trojans, Spyware, Adware, Worms, Dialers, Keyloggers and other malicious programs. This is having a graphical user interface.
2. Emsisoft Commandline Scanner
Same Scanner but with out a graphical user interface. you can use this to scan from the commandline.
3. Emsisoft HiJackFree
This is an analysis tool using which you can analyse Processes, Ports, Autoruns, Services, Plugins, layered service providers (LSPs), DNS, System configuration
This tool will help you to remove locked files, registry entries and drivers which you will not be abled to delete normally. BlitzBlank deletes files, registry entries and drivers at boot time before Windows and all other programs are loaded.
Read more and download Emsisoft Emergency Kit from here. You can download Commandline Scanner, BlitzBlank, HiJackFree separately too.