Ubuster Trojan	UCmore	Uin2Ip
Ultimate Cleaner	Ultimate Defender	Ultimate Spy Personal Edition
Ultor Trojan	UltraKeyboard	Ultrasoft Key Interceptor 2.0
Ultraview	Ume Trojan	Unable
Unblock Trojan	Uncapper	Uncensored
Unicle	Unis	Unite Trojan
UniversalTB	Unknown ICQ Pest	Unknown keylogger
Unknown Trojan	UnSpyPC	Untracer Trojan
Upd	Updater	Uplink
Uploader Trojan	UpSpiralBar	Urbe
Urick	UrlKiller Trojan	Usbalex
Usblog	User32