You may want to check this out about it:
Install - update definitions - full scan:
a-squared trojan remover (Free Working Version for life and Proactive Premium Version)
a-squared (a-squared) is a complementary product to antivirus software and desktop firewalls on MS Windows computers. Antivirus software specializes in detecting classic viruses. Many available products have weaknesses in detecting other malicious software (Malware) like Trojans, Dialers, Worms and Spyware (Adware). a-squared fills the gap that malware writers exploit. Automatic updates: In a-squared Free the updater must be run manually. The auto-update feature of a-squared Personal checks hourly for new available updates and installs them automatically. a-squared Free is freeware! You can download and use it completely for free. You are also allowed to distribute it to third parties. To be able to use it, you only must set up a free a-squared Account, to get access to the update server.
Microsoft AntiSpyware is now Windows Defender
[working-freeware from Microsoft]
Windows Defender is a free program that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software. It features Real-Time Protection, a monitoring system that recommends actions against spyware when it's detected, and a new streamlined interface that minimizes interruptions and helps you stay productive.
Trend Micro RootkitBuster (popular) [working-freeware]
Trend Micro RootkitBuster is a rootkit scanner that offers ability to scan for drivers, registry entries, processes, hidden files and hooked system service. Trend Micro RootkitBuster also includes the cleaning capability for hidden files and registry entries. License: Freeware / OS: Windows All
AVG Anti-Rootkit Free [working-freeware]
AVG Anti-Rootkit Free is a powerful tool with state-of-the-art technology for the detection and removal of rootkits.
· 1 decade ago