W32/Nugache.M.worm spreads via email and instant messagin program. This worm can log keystrokes on the infected computer and lessen security settings by disabling security-related applications.

Win32:Gatina-B is a mass mailing worm that is capable of disabling some system functions and can block some security related applications.

W32/FakeLenPro.worm is a detection for a worm that are known to spread by copying itself to network shared drives.  It can also reduce security settings on the infected computer.

Worm.BlackDay is a worm that may duplicate itself on all local, removable and network drives and can infects all types of files.

WORM_SILLY.CQ propagates via removable storage drive and copies itself to available physical drive.

W32/RegisteredLetter.A.worm spreads via email. It can modify trusted sites of internet browser and adds its own urls such as; www.liberosex.com, www.pelovero.com and www.sicure-mail.com

W32/Xiaoho.worm tries to duplicate itself on removable media storage devices. It can infect and destroys .exe files and changer icons to a Chinese characters of the compromised computer.

W32/Rbot-GSS runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.