Internet Explorer

Bonjour,

Depuis hier, losque mon ordinateur est allumé, mon internet explorer s'ouvre automatiquement et ce sont des sites de publicité qui apparaissent alors que je n'étais sur aucun autre site. J'ai scanner mon ordinateur avec Avira et Malwarebytes et voici que qui me donne:

Avira:

1. Virus or unwanted program 'TR/Fakealert.ahe [trojan]'
detected in file 'C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MULA2F4W\video[1].exe.
Action performed: Move file to quarantine

2. Virus or unwanted program 'TR/Fakealert.ahe [trojan]'
detected in file 'C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\CTPEVAB3\video[2].exe.
Action performed: Move file to quarantine

__________________________________________________________

Malwarebytes:

1. Malwarebytes' Anti-Malware 1.44
Database version: 3850
Windows 6.0.6002 Service Pack 2
Internet Explorer 8.0.6001.18882

12/03/2010 6:34:56 PM
mbam-log-2010-03-12 (18-34-56).txt

Scan type: Full Scan (C:\|D:\|)
Objects scanned: 238915
Time elapsed: 1 hour(s), 31 minute(s), 22 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 3
Registry Values Infected: 1
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 2

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CURRENT_USER\SOFTWARE\XML (Trojan.FakeAlert) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\SOFTWARE\TOY5KNQ8OC (Trojan.FakeAlert) -> Quarantined and deleted successfully.
HKEY_CURRENT_USER\Software\WEK9EMDHI9 (Trojan.Agent) -> Quarantined and deleted successfully.

Registry Values Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\toy5knq8oc (Trojan.FakeAlert) -> Quarantined and deleted successfully.

Registry Data Items Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page (Hijack.SearchPage) -> Bad: (http://www.cherche.us) Good: (http://www.google.com) -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Windows\Tasks\{66BA574B-1E11-49b8-909C-8CC9E0E8E015}.job (Trojan.Downloader) -> Quarantined and deleted successfully.
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job (Trojan.Downloader) -> Quarantined and deleted successfully.
________________________________________________________________________________________

Est-ce que ces infections auraient pu être à l'origine de mes problèmes???Sino que jois-je faire. Pour l'instant il n'y a pas eu de nouvelles fenêtres qui se sont ouvertes jusqu'à maintenant...

Merci