Antivirusquia.com is a malicious browser hijacker with an installed counterfeit online scanner, which advertises and sells a bogus security program System Tool. As a distributor of System Tool, Antivirusquia.com is programmed to launch a false system scan, which exploits Windows XP interface. The system scan performed by Antivirusquia.com may look real, but, in fact, it is absolutely fake. Computer users will see security error reports popping up all over their computer systems. Antivirusquia.com only uses a scary techniques to convince trusting PC users to purchase rogue software System Tool. Antivirusquia.com is a complete scam.