W32.Fnumbot is a worm that may perform various backdoor functionalities on the compromised computer and send malicious link on the contacts of messenger programs.  W32.Fnumbot will propagate through removable drives and modify registry to add its own entry that will hook itself on Windows startup process.

VBS.Runauto.G is a worm that can provide a remote attacker an unauthorized access on infected computer by establishing a backdoor ports. VBS.Runauto.G spreads through removable drives and unsecured network shares.

JS.Frienren is a worm that propagates by sending a scam messages with malicious link to contacts of Renren social networking Web site.  JS.Frienren will search the infected computer for cookies that are related to the said social network.

W32.SillyFDC.BCU is a worm that propagates by duplicating itself on found removable, local and network drives it founds on infected computer. W32.SillyFDC.BCU will use the file autorun.inf to run itself when the volume is accessed. It can also modify system registry and add its own entry to run itself when Windows is started.

W32/Autorun.worm.zzo is a worm that spread on computer via removable USB drive. W32/Autorun.worm.zzo infects drives by dropping and autorun.inf file to run the worm when the drive is mounted.

W32.Screentief is a worm that will capture screenshots on infected computer and sends it via email or FTP protocol. W32.Screentief propagates by creating a copy of itself on removable USB drives.

W32.Stiraut is a worm that will automatically submit a comment to social networking sites by randomly choosing an ID from %Windir%sliame.dll file. W32.Stiraut propagates via removable USB storage drives.

W32.Feberr propagates on removable drives and unsecured shared folders over a network. W32.Feberr can infect various files on the computer specially executable ones to further infect other computers.

W32.Koobface.D is a worm that propagates via social networking websites by creating a malicious links that will lead to an infection. W32.Koobface.D may gather sensitive information on the compromised computer and sends it to the remote attacker. 

W32.SillyFDC.BCQ is a worm that propagates by infecting USB removable drives and via file-sharing networks. W32.SillyFDC.BCQ can creat its own registry entry so that the worm starts each time Windows is run.