So, the fact that you do not see a person on a black list in no way means that this person is "real" or honest.
Nothing short of verification of identity can confirm that someone is real.
Law in Russia are so lax about Internet scams, that there is really very little legal problem that the victims can create for the scammer, and the scammers know it very well.
The main theme of the scam is that someone (be it a young women or a young men) contacts a potential victim on a dating site, quickly involves the potential victim into romantic online-relationship, and then asks the potential victim for financial assistance with arranging a person meeting.
The scammers make money by asking for: Very often, the Travel scammers use falsified visas, passports, tickets, and other documents to create an appearance of legitimate travel arrangements Thousands of foreigners already became a victim of this scam.
If any matches are provided, you can read through them carefully to see if it is a true match or just a coincidence.
Step 2: perform the same search using her email address, then her home address.
She may have nothing to do with a scammer who just happened to have the same first and last name.