Spybot - Search & Destroy is not designed to find/remove viruses or worms.
It is designed for spyware, malware, adware, trojans, hijackers, keyloggers and rootkits.
If you have no antivirus protection yet you should look for some.
Many people are asking for recommendations regarding firewall and antivirus software they should use.
Our recommendation regarding firewalls is Outpost from Agnitum.
Even the free version - Outpost Free - will fit most users' needs.
For a free anti-virus software for personal use, take a look at H+BEDV AntiVir:
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