Know about LotteryStream
LotteryStream is a browser plugin which has different versions for popular browsers like Mozilla Firefox, Internet Explorer and Google Chrome. Users may be attracted by its homepage, which claims to help users get latest lottery numbers conveniently. But you should be careful that this a PUP (potential unwanted program) for some reasons.

LotteryStream is also promoted bundled with freeware which have poor reputation. Once it comes to your browser, it will probably modify your default homepage and search engine during installing. Users found that their default homepage was changed to home.tb.ask.com automatically.
This search engine offers limited search result, users get less useful information. On the contrary, ads and sponsor links flood your browsers. Users have to bear related ads every now an then. The toolbar is also trying to promote other harmful programs to earn pay-per-click revenue, some of them are detected to be dangerous.
Useful Tips to prevent such unwanted programs:
- Keep away from dubious sites.
- Use powerful AV programs
- Do not open spam mails
- Visit standard page to get safe software