You shouldn't believe everything you read on the Internet. Most people simply just ignore that advice and that's how Virus Sweeper gets into computers. Virus Sweeper is advertised as a warning indicating that you should use it to disinfect your computer. When users do download and run it, that's when Virus Sweeper takes over.
They even have a very convincing user interface that makes Virus Sweeper seem like an actual anti-malware program:
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You can find removal instructions and a utility
here.
Source: 2-spyware.com
reminds me of the time, when I was not net savy and had unknowingly tried one of these malware programs, but fortunately for me I had a strong firewall to backup.
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