There are always infections that are hard to pin down. When a malicious program has an interface, it is easier to notice that it is there on your computer. However, when you get infected with the likes of BS2005, it might take a while before you even realize that something is wrong with your system.
To mitigate the damage that such infections cause, it is necessary to implement regular system scans with a reliable antispyware program. This way, you would be able to detect infections like BS2005 immediately, and then remove them no questions asked. Read more »