Grab a gift card while it lasts.
However, it is unclear whether users may have been compromised simply by clicking on the link, as some on social media claimed that the message was shared without their contact's consent.
The messenger app was used to send fake vouchers to people, purporting to be from trusted chains such as Asda, Tesco and Aldi.
Whatsapp users are being warned of a new scam circulating on the popular messaging service.However, the spelling and grammar errors are clear giveaways that this is not an official asda scheme offered on the Facebook-owned chat app.The messages claimed to offer hundreds of pounds in savings so long as the user followed a link to an online survey asking for ebay hyatt gift card personal details.Those who receive the message are warned not to click the link and to report the message as spam using the tools in the app.WhatsApp in an, fAQ post have offered advice to make sure users stay safe while using the chat app.It is thought that the scammers are using the fake coupon link as a way to harvest personal details from unwitting victims.The scam works by using a link which appears almost identical to a supermarket chain's legitimate website, but with one small difference.People across the UK are receiving vouchers claiming to be worth a 250 spend at asda - by simply following a link and filling in some details.Look for grammatical and spelling errors; fraudsters are notoriously bad at writing proper English.
"WhatsApp supermarket voucher scams are back!
One asks the victim to share the text with 20 friends to claim the non-existent money.
Action Fraud said the latest scam was similar to one from last year that promised money off vouchers for Sainsburys and Top Shop.Don't click the link or forward to friends.WhatsApp fans have been put on alert by a fake voucher for asda which is trying to trick people into handing over sensitive, personal information.Action Fraud flagged up the WhatsApp scam, and said they have seen similar bogus messages for Tesco and M S also.So far we've seen M S, Tesco Asda variations!Action Fraud have given WhatsApp users advice on how to protect themselves.Why did I get it?Image caption Attempting to visit the fake 'Ali' homepage sends the user to an error page for this website.Earlier this year, both Aldi and Primark were the subject of a fake voucher hoax which was circulated on social media.Sainsbury's is giving away 100 gift cards (with a convincing looking link to a fake website).

Action Fraud said the asda, Tesco and Marks Spencer fake vouchers being circulated work in a similar way.
To date, it has been spotted posing as retailers including Asda, Tesco and Marks Spencer.
These would track you, or add browser extensions that can be used to show you advertisements.