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Can a Virus or Trojan prevent a PC from using the Internet?

by Plancaster1950 / July 21, 2006 9:47 AM PDT

Can a Virus or Trojan prevent a PC from using the Internet? If so, what type?

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What type? The type that is designed to corrupt or delete networking, winsock, and firewall settings and files. (To my knowledge there is no specific subcategory.)

Why do you ask?

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by Merl Priester / July 21, 2006 12:39 PM PDT
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by bldtraffic / July 21, 2006 1:58 PM PDT

Some viruses [for example Win 32 Nixem E@mm] can block accessing the web pages of Antivirus companies.If you try to open the web pages it will automatically close unless you remove the virus.

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by jadu1958 / July 21, 2006 6:42 PM PDT

when i had a trojan i could go on the internet

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(NT) (NT) not all naughty software misbehaves in the same manner
by linkit / July 21, 2006 7:35 PM PDT
In reply to: ??
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I agree
by MarkFlax Forum moderator / July 21, 2006 11:01 PM PDT

Some viruses drop trojans for other reasons. The main one being spyware to spy on your computer usage and attempt to obtain personal details from you, eg credit card details, logon details for secure sites like banks, etc.

Such malware would defeat its purpose if it halted internet access as it would not be able to "phone home" with the information.


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