Avast can not detect Mysites123

My computer is invented with Mysites123, that can not be detected by Avast. Could Avast team help me, because every time my computer slows down I am sure it is because of “hxtp://www.mysites123.com/?type=hp&ts=1456455538&z=8908f3d6b047df55af83a6ag1z3wcq8zbwew6w0c3b&from=amt&uid=wdcxwd3200aakx-001ca0_wd-wcayuh3284” and “yoursites123” I have used another program to detect, delete and fixe them but these always infect my computer again.
Would you please Avast team help me. Thank you

Site issue detected: https://sitecheck.sucuri.net/results/www.mysites123.com
as it redirects to google.

Dr.Web flags it as non-recommended website.
See: https://www.virustotal.com/gui/url/6f191ee446a1db61eea2a806764134500900643bdc5003c72b6d634f11d7e643/details

polonus

there are many forums where people can get help with removing malware. the two that i am most familiar with, one is at bleepingcomputer and the other is at malwarebytes. that is where you need to go to ask for help with removing malware from your computer, unless you prefer to do it yourself.

https://www.bleepingcomputer.com/forums/f/22/virus-trojan-spyware-and-malware-removal-help/

https://forums.malwarebytes.com/forum/7-windows-malware-removal-help-support/