Spyware can steal your credit card numbers and passwords. Switch your home page, or re-direct your web searches to unwanted sites. Display annoying ads, slow your PC to a crawl, or even control it remotely. CA Anti-Spyware (formerly eTrust PestPatrol Anti-Spyware) protects against a wide range of spyware threats that can expose your confidential information and diminish your PC???s performance.