MSIVXserv.sys trojan is a new hidden trojan/rootkit from DNSChanger trojan family. The trojan uses rootkit-specific techniques designed to hide the software presence in the system. Once infected it blocks user access to security websites, blocks Spybot, AdAware, AVG, Superantispyware and Malwarebytes Anti-malware. Search results in Google, Yahoo, MSN and other redirects you to other non