Cómo eliminar busca7.com?

[e_romo23]

Si corro el HijackThis ahorita, esto es lo que obtengo: PARTE 1

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://windowsupdate.microsoft.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Windows Internet Explorer proporcionado por Windows uE
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Vínculos
O1 - Hosts: 192.193.206.100 banamex.com
O1 - Hosts: 192.193.206.100 www.banamex.com
O1 - Hosts: 192.193.206.100 banamex.com.mx
O1 - Hosts: 192.193.206.100 www.banamex.com.mx
O1 - Hosts: 192.193.206.100 boveda.banamex.com
O1 - Hosts: 192.193.206.100 boveda.banamex.com.mx
O1 - Hosts: 192.193.206.100 bancanetempresarial.banamex.com
O1 - Hosts: 192.193.206.100 bancanetempresarial.banamex.com.mx
O1 - Hosts: 148.244.43.5 www.bancomer.com.mx
O1 - Hosts: 148.244.43.5 www.bancomer.com
O1 - Hosts: 148.244.43.5 bancomer.com.mx
O1 - Hosts: 148.244.43.5 bancomer.com
O1 - Hosts: 127.0.1.1 www.avp.com
O1 - Hosts: 127.0.1.1 avp.com
O1 - Hosts: 127.0.1.1 www.nod32-es.com
O1 - Hosts: 127.0.1.1 nod32-es.com
O1 - Hosts: 127.0.1.1 www.eset.com
O1 - Hosts: 127.0.1.1 eset.com
O1 - Hosts: 127.0.1.1 www.nod32-a.com
O1 - Hosts: 127.0.1.1 nod32-a.com
O1 - Hosts: 127.0.1.1 u20.eset.com
O1 - Hosts: 127.0.1.1 u21.eset.com
O1 - Hosts: 127.0.1.1 u22.eset.com
O1 - Hosts: 127.0.1.1 u23.eset.com
O1 - Hosts: 127.0.1.1 u24.eset.com
O1 - Hosts: 127.0.1.1 u25.eset.com
O1 - Hosts: 127.0.1.1 u26.eset.com
O1 - Hosts: 127.0.1.1 u27.eset.com
O1 - Hosts: 127.0.1.1 u28.eset.com
O1 - Hosts: 127.0.1.1 u29.eset.com
O1 - Hosts: 127.0.1.1 u30.eset.com
O1 - Hosts: 127.0.1.1 u31.eset.com
O1 - Hosts: 127.0.1.1 u32.eset.com
O1 - Hosts: 127.0.1.1 u33.eset.com
O1 - Hosts: 127.0.1.1 u34.eset.com
O1 - Hosts: 127.0.1.1 u35.eset.com
O1 - Hosts: 127.0.1.1 u36.eset.com
O1 - Hosts: 127.0.1.1 u37.eset.com
O1 - Hosts: 127.0.1.1 u38.eset.com
O1 - Hosts: 127.0.1.1 u39.eset.com
O1 - Hosts: 127.0.1.1 u40.eset.com
O1 - Hosts: 127.0.1.1 u41.eset.com
O1 - Hosts: 127.0.1.1 u42.eset.com
O1 - Hosts: 127.0.1.1 u43.eset.com
O1 - Hosts: 127.0.1.1 u44.eset.com
O1 - Hosts: 127.0.1.1 u45.eset.com
O1 - Hosts: 127.0.1.1 u46.eset.com
O1 - Hosts: 127.0.1.1 u47.eset.com
O1 - Hosts: 127.0.1.1 u48.eset.com
O1 - Hosts: 127.0.1.1 u49.eset.com
O1 - Hosts: 127.0.1.1 u50.eset.com
O1 - Hosts: 127.0.1.1 89.202.157.135
O1 - Hosts: 127.0.1.1 89.202.157.136
O1 - Hosts: 127.0.1.1 89.202.157.137
O1 - Hosts: 127.0.1.1 89.202.157.138
O1 - Hosts: 127.0.1.1 89.202.157.139
O1 - Hosts: 127.0.1.1 www.kaspersky.com
O1 - Hosts: 127.0.1.1 www.kaspersky.com.mx
O1 - Hosts: 127.0.1.1 latam.kaspersky.com
O1 - Hosts: 127.0.1.1 usa.kaspersky.com
O1 - Hosts: 127.0.1.1 kaspersky.com
O1 - Hosts: 127.0.1.1 support.kaspersky.com
O1 - Hosts: 127.0.1.1 kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads1.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads2.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads3.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads4.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads5.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads6.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads7.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads8.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 downloads9.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us1.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us2.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us3.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us4.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us5.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us6.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us7.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us8.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us9.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us10.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us11.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us12.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us13.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us14.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 dnl-us15.kaspersky-labs.com
O1 - Hosts: 127.0.1.1 my-etrust.com
O1 - Hosts: 127.0.1.1 www.my-etrust.com
O1 - Hosts: 127.0.1.1 www.bitdefender.es
O1 - Hosts: 127.0.1.1 bitdefender.es
O1 - Hosts: 127.0.1.1 www.bitdefender.com
O1 - Hosts: 127.0.1.1 bitdefender.com
O1 - Hosts: 127.0.1.1 secure.nai.com
O1 - Hosts: 127.0.1.1 nai.com
O1 - Hosts: 127.0.1.1 www.nai.com
O1 - Hosts: 127.0.1.1 vil.nai.com
O1 - Hosts: 127.0.1.1 pctools.com
O1 - Hosts: 127.0.1.1 www.pctools.com
O1 - Hosts: 127.0.1.1 update.symantec.com
O1 - Hosts: 127.0.1.1 updates.symantec.com