Dear customer,
Please accept my apologies for not getting back to you earlier.
The extension provided has been indeed detected as a potential risk program. We have added new detection for it as "Not-a-Virus:AdWare.JS.ChromeExt.a".
No malicious software has been found on the websites provided. The malicious code may have been removed from our mail Anti-Virus server. If you have a local copy of the suspicious file, please send it to me in a password-protected archive, with password 'infected' (without quotes).
1.
http://thetraffic.info/?id=1450447602
2.
http://reprice.us/c/uCRH
Thank you very much for your feedback.