You might also try this web site - http://www.bleepingcomputer.com - contains details for many of the common
infections, often immediately after they began to appear in the wild, and instructions are provided for how to remove the infections using their malware removal guides. They also have forums where you can seek help from people who specialize in malware removal.
If that does not work,
If you are using Microsoft Security Essentials,
start here -
https://support.microsoftsecurityessentials.com/ and select the link that says - I think my computer
is infected. Options will vary by region, but phone support leads you to Microsoft Answer Desk (http://www.answerdesk.com/) in the US at this
time. After an initial free consultation, a fee will be charged for assistance, based on the details of the case.
Otherwise go to your current AV provider.
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