HELP! Infected with URL: Mal. Doesn't stop prompting.

Here is what pops up:

URL: http://redirector.gvt1.com/crx/blobs/QwAAAHF3InbmK-wFIemaY3I3BCOrQhs58MSM0PACaKZwziDKslDhLuYcy_uiEOziZrKSpdyKC2u0xWpTd8_mlQlb2TOoodI6B6uEyCjEHUIiCrE_AMZSmuUICZ9D46JdFolcNTWzSkVgupRLMQ/extension_1_4_8_866.crx
Infection: URL:Mal
Process: C:\Windows\System32\svchost.exe

Do let me know which logs I need to submit and how. Thank you in advance

Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253.0