If the list provider that has blocked that website is Yandex, then Yandex detected malware on the site. In order to remove the website from their blacklist, the owner needs to be registered at Yandex.Webmaster service, and then submit the website to the service for re-inspection. Please follow instructions provided by Yandex:
You are seeing the “Fraud warning page” because the page you want to visit is listed as dangerous on some blacklists. Opera does not maintain its own phishing, fraud, or malware blacklist. The blacklists are provided by several partners, such as PhishTank and APWG for phishing and fraud, and Yandex for malware. If you think…
Information from Yandex is also used to identify websites with malware, but there is no way to report suggestions to them.
