Here is the response I received from Coupons.com regarding the computer viruses many have experienced this week:
"Thank you for your message, this issue is not related to Coupons.com’s systems. There is a Fake AVG Anti-Virus virus that is redirecting user’s browser windows when they visit certain popular websites. AVG has posted details on its blog at: http://viruslab.blog.avg.com/2011/01/be-aware-of-rogue-security-software.html.
Users who are seeing this redirect should contact their anti-virus software provider or search the Web for “Fake AVG Removal” for removal information.
We can assure you that Coupons.com is not distributing viruses of any kind.
The safety of our users and internet security is of utmost importance at Coupons.com."