Quote from: btc2017btc2017 on November 26, 2018, 01:18:09 AM

They say you get 150% back in 25 days.

That sounds a lot like a Ponzi scheme. Another user wrote a nice guide regarding Ponzi schemes - you can check it out here:
https://bitcointalk.org/index.php?topic=5035428.0

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What is a Ponzi scheme?
A Ponzi scheme is an investment fraud platform that requires payment of returns to existing investors from funds contributed by new investors. They often seduce new investors by promising them to invest money for an opportunity claimed to generate high-value returns with small or even no risk at all. They usually or mostly attracting new amount of money to make promised payments to earlier-stage investors to create the false impression that investors are profiting from an authorized business.

Also pay attention to the Red Flags and Indicators section where he mentions:

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High investment returns. Ponzi schemes typically have a high value of returns, 1% a day, 30% a month or more is ridiculous.

https://bitcointalk.org/index.php?topic=5035428.0