le virus est détecté par symantec endpoint mais n'est pas supprimé, la liste des virus est mise a jours

What was the action ? does SEP quarantine it? 

Explanation of Action field values in Symantec Endpoint Protection 12.1 and 11, and Symantec AntiVirus 10.1

http://www.symantec.com/business/support/index?page=content&id=TECH102052

See here

http://www.symantec.com/security_response/writeup.jsp?docid=2013-091222-3652-99

What action did SEP take?

Run a threat analysis scan, see here

TECH215519: 'How to run the Threat Analysis Scan in Symantec Help (SymHelp)'

Using Symantec Help (SymHelp) Tool, how do we Collect the Suspicious Files and Submit the same to Symantec Security Response Team

https://www-secure.symantec.com/connect/articles/using-symantec-help-symhelp-tool-how-do-we-collect-suspicious-files-and-submit-same-symante

See same thread

http://www.symantec.com/connect/forums/sid-27071-system-infected-backdoor-houdini-activity-detected

Hi KISKUNHALAS,

Was it an Auto-Protect scan that failed to delete it?  Or a manual scan / scheduled scan?

Also: ensure that you are using IPS.  IPS signatures are effective against this threat's traffic.

Hope this helps!

Mick

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Était-ce une analyse Auto-Protect qui a échoué à supprimer? Ou balayage d'une analyse manuelle / programmée?

Aussi: assurez-vous que vous utilisez IPS. Signatures IPS sont efficaces contre le trafic de cette menace.

Espérons que cela aide!

Mick