Extortion

Website owners are receiving emails threatening to ruin their reputation if they do not post a five-star review for a cryptocurrency exchange.

Today, BleepingComputer received an extortion email through our contact form demanding we post a 5-star review and perform two likes/shares for the coinmama.com cryptocurrency exchange. If we do not do what they require within 48 hours, the extortionist claims they will create millions of backlinks to our site from porn sites to ruin our reputation.

I need you to leave a 5 star review for us and also like us and share our posts on our social media channels.

I am giving you 48 hours. If I do not see a 5 star review from you and at least two likes and shares on our channels, I am going to send millions of porn backlinks to bleepingcomputer.com which will completely kill off your site. I have sent a few dozen spam links to your site already. You can have a look. I will remove those once I see reviews.

Ok this should have gotten your attention. Now here is what you need to do.

Give us five stars:

https://www.trustpilot.com/review/coinmama.com

Follow us on and like our posts:

https://www.facebook.com/Coinmama/
https://twitter.com/coinmama
https://t.me/coinmamanews
https://il.linkedin.com/company/coinmama

Thanks for your cooperation!

Regards

Dusyanthan Balasubramanian

Coinmama CEO Sagi Bakshi told BleepingComputer that they are not responsible for these emails and are investigating the attack on their reputation.

If this was meant as an attack on their brand, then it is working as intended, as other website owners who received this email have started to leave negative reviews on their Trustpilot page.

I also tried contacting you on telegram.

In June 2019, a different extortion scam targeting web site owners was making the rounds. In that campaign, the scammers threatened to ruin a site’s reputation unless they paid $2,400 in bitcoin.

Update 1/8/21 1:27 AM EST: Added statement from Coinmama