The Emsisoft Emergency Kit is a free tool for searching for and removing various types of malware from your computer. It was created to fight against Trojan horses, dialeres, adware and spyware components and worms. It offers system scanning in 4 modes:

fast, intelligent, accurate and user-defined. If harmful components are detected, it allows them to be removed or moved to quarantine, and thanks to an integrated web database, it can provide a range of information about the pest in question.