In the future, you can go to the job post and click on "Flag as Inapproriate" so that it automatically goes to the team for review. I have checked your account and reported both job posts that requested to you for an interview via Google Hangouts so that the team could review these job posts.
Please take note that clients who offer to send you a check, to purchase equipments/materials for the job is a scam. Here are some help articles, threads to help you work safely on the platform.
Working safely on Upwork:
@Bobbie P wrote:
I had the same experience so the post has not been taken down.
There is not "one post" and there is not "one scammer"
This is one of the oldest, plumpest, most wide-spread scams on the Internet, it's been going on for over a decade, there are literally thousands of them everywhere fishing for hapless victims.
NEVER accept to be sent any payment outside the site and NEVER get involved in anything without being properly hired ON UPWORK with a proper contract ON UPWORK.
It is very difficult to be scammed if one follows the rules. Unfortunately, if people carry on breaking the rules by getting involved with scammers willfully and accepting checks those scammers stand a better chance of finding victims.
If freelancers stopped breaking the rules and agreeing to be sent checks in violation of the terms of service, the whole scam would stop immediately.