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Old 08-31-2006, 04:04 AM
David H. Lipman
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Default Re: modem hijacking or internet dumping

From: "spviking" <Smp928s@gmail.com>

| Yes Moe trin is correct this is what I was referring to. My Cousin uses
| Time Warner's Road Runner here in New York and he got his recent
| Verizon phone bill and found 600 dollars worth of calls to Cameroon,
| Austria and Madagascar. The phone company told him it was likely modem
| hijacking (what Moe Trin described). My cousin does not have his phone
| line plugged into his computer at all and we cant figure out how this
| malware could have effectively charged his phone bill. Sorry I was so
| vague initially.
|
| Thanks again!
|

Yes. There are Trojan Dialers out there that when installed on a computer will place 900 or
"off shore" phone calls to pay for services that can cost $40.00 US per phone call and make
numerous phone calls.

The term "modem hijacking" is non-standard.
Trojan Dialers is the terminology. Those that call 900 number porn content are known as
Porn Dialers.

Now in relation to your original post. Once infected by a Dialer it doesn't make a
difference if you are on Broadband or a Dial-Up (DUN) connection. However if you use DUN,
it will own dial out when you are not using the DUN connection. If you are on Broadband you
would need a traditional Plain Old Telephone System (POTS) modem (such as a FAX/modem).
Cable modems and DSL modems are not traditional modems and can't make telephobne calls.

Good article on Dialers.
http://anti-spyware-review.toptenrev...e-dialers.html

Now if a computer with Broadband has no POTS modem or it has one and NO telephone line is
connected to the modem then a Trojan Dialer is a Red Herring and look to people using the
telephone and not at malware on the PC.

HTH

--
Dave
http://www.claymania.com/removal-trojan-adware.html
http://www.ik-cs.com/got-a-virus.htm



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