Trojan.Vundo
Trojan.Vundo is a Trojan downloader which may secretly install itself on your PC via browser exploits and other security holes. Once it is active on your computer, Trojan.Vundo will download and display large numbers of popup adverts. In addition, Trojan.Vundo may download and install additional obtrusive adware programs. Trojan.Vundo can be extremely difficult to remove manually, and may cause serious system instability and PC slowdowns.
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Download SpyHunter to a disk, then go to the member section and under the products information there are instructions to update the definitions manually.