A fraudulent website is a web resource created for the purpose of carrying out fraud or deceiving users. These sites deceive visitors by offering fake information, services or products in order to illegally obtain profit or personal information. Here are a few signs that may indicate that a site may be one:

Inaccurate information: A fraudulent site often provides inaccurate information like false promises, inflated guarantees, or false testimonials.
Lack of information: The site has no affiliates, official links, telegram channels, etc. i.e. No Way to Know Who Created the Site. 
Insecure Data Transfer: Lack of secure connection (HTTPS) may indicate that the site does not securely transfer personal data.
Suspicious payment methods: Fraudulent sites may offer abnormally favorable prices or strange payment methods such as prepayment through anonymous systems.
Lack of contact information: If contact information is missing or hard to find on a site, it may be a signal that the site is untrustworthy.
Copies of well-known sites: Fraudulent web resources are sometimes created as copies of well-known and trusted sites to mislead visitors. You will immediately notice the difference between them. It may be wrong slogans, suspicious link (not an official site), etc.
Questionable requests for personal information: Fraudulent sites may ask for excessive amounts of personal information or offer suspicious services that require the disclosure of sensitive data.
Lots of advertisements: you won't see more than 2-3 ad banners on any official website. If the site is full of pop-ups with ads that are hard to close - know that it is full of viruses. 
Ad Blocker and Computer Security don't want to open a suspicious site: Just trust my experience and Computer Security. It's true that the site may contain viruses and steal your personal information. Most likely you will not notice at once how gradually the Internet transmission traffic will increase, start opening files without your knowledge, and eventually install a Hidden program that has no windows, contained only on the disk in the form of 1 file. Never open Dangerous Sites. 
Lack of licenses and certificates: Legitimate companies usually provide information about their licenses and certificates. The absence of such data may be a sign of fraud.
To protect yourself from fraudulent sites, we recommend that you always be vigilant, verify the validity of the information, use only secure payment methods, and check if the web resource has a secure connection. This is literally the first thing we can do: see if the site has a security icon or at least the word hhtps:// before the link. If you have doubts about the reliability of the site, it is better to refrain from making any transactions or providing personal data.