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	<title>Active Click &#187; ataques</title>
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		<title>Os vírus que mais ameaçaram em janeiro</title>
		<link>http://www.activeclick.com.br/blog/os-virus-que-mais-ameacaram-em-janeiro/</link>
		<comments>http://www.activeclick.com.br/blog/os-virus-que-mais-ameacaram-em-janeiro/#comments</comments>
		<pubDate>Wed, 18 Feb 2009 00:53:39 +0000</pubDate>
		<dc:creator>Philipe Souza</dc:creator>
				<category><![CDATA[Entretenimento]]></category>
		<category><![CDATA[Noticias]]></category>
		<category><![CDATA[ataques]]></category>
		<category><![CDATA[malware]]></category>
		<category><![CDATA[vírus]]></category>

		<guid isPermaLink="false">http://www.activeclick.com.br/blog/?p=540</guid>
		<description><![CDATA[A empresa de segurança BitDefender divulgou o ranking de malware do mês de janeiro. As ameaças baseadas na web predominaram na lista que teve Cavalos-de-troia e exploits como principais vilões eletrônicos do mês. O Tojan.Clicker.CM liderou o ranking de ameaças, ele foi responsável por 5,4% de todos os ataques do mês. A praga apresenta um [...]]]></description>
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<div class="topsy_widget_data topsy_theme_blue" style="float: right;margin-left: 0.75em;"><!-- { "url": "http://www.activeclick.com.br/blog/os-virus-que-mais-ameacaram-em-janeiro/", "style": "big", "title": "Os vírus que mais ameaçaram em janeiro" } --></div><p style="text-align: justify;"><span style="color: #000000;">A empresa de segurança BitDefender divulgou o ranking de malware do mês de janeiro.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">As ameaças baseadas na web predominaram na lista que teve Cavalos-de-troia e exploits como principais vilões eletrônicos do mês.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">O Tojan.Clicker.CM liderou o ranking de ameaças, ele foi responsável por 5,4% de todos os ataques do mês. A praga apresenta um número significativo de janelas de pop-up comerciais no navegador da web, que tentam atrair os usuários para clicá-las. Esses anúncios estão registrados no sistema de pagamento por clique e, com isso, criminosos conseguem arrecadar dinheiro fácil.</span></p>
<p style="text-align: justify;"><span style="color: #000000;"><span id="more-540"></span></span></p>
<p style="text-align: justify;"><span style="color: #000000;">Logo em seguida, com 4,3% dos ataques, aparece o Trojan Wimad.Gen.1. ele é distribuído por meio de sites com links maliciosos, e costuma ser enviado por e-mail em campanhas de spam como um arquivo .WMA de 3,5 MB, simulando uma música de um artista popular.  Ele abre automaticamente o navegador da web para acessar o codec adequada, permitindo a instalação do Adware.PlayMp3z.A.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">Em terceiro lugar, com 4,22%, aparece o Trojan.Autoran/INF.Gen. Ele executa ações não programadas pelos usuários quando um CD, DVD ou dispositivo USB é inserido no computador.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">O cavalo-de-troia Trojan.Downloader.Js.Agent.F aparece em quarto com 3,79% dos ataques.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">Agora, a partir da Quinta colocação, começam a aparecer os exploits, que ocupam quatro das dez posições do ranking, com 12% de ataques. Pra quem não sabe, os exploits são pragas que se aproveitam das falhas do sistema operacional. O primeiro dos exploradores, e quinto no ranking, é o Trojan.Exploit.SSX, que atacou 3,69%, ele abusa de sites vulneráveis quando um código SQL malicioso é injetado em sua base de dados. Ele ataca quando o usuário clica em um link verdadeiro e é direcionado para um site malicioso. Por isso temos que ter muito cuidado com os links dos sites que visitamos, quanto ao meu blog vocês podem ficar tranquilos (risos).</span></p>
<p style="text-align: justify;"><span style="color: #000000;">O sexto colocado é o Trojan.Exploit.SSX, com 3,36%, seguido por Exploit.SinaDLoader.A, com 2,7%.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">Em oitavo, foi a vez do Trojan.Downloader.Wimad.A (2,56%). Ele é da mesma família do Wimad.Gen.1, que ficou em segundo lugar, lembra? E age de forma bastante similar.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">O Exploit.HTML.Agent.AO, dono de 2,3% dos crimes, vem na rabeira, e fica com a nona posição.</span></p>
<p><span style="color: #000000;">Por fim, a lista é encerrada com o Packer.Malware.NSAnti.1, responsável por 2,09% das ameaças de janeiro. O malware vem com funcionalidades de worm e se espalha por meio de sites e arquivos autorun.inf presentes em dispositivos removíveis contaminados.</span></p>
<p style="text-align: justify;"><span style="color: #000000;">Então, concluí-mos que, o que mais facilita os ataques dos malwares é a falta de conhecimento, atenção e cuidado dos usuários.</span></p>
<p style="text-align: justify;"><span style="color: #000000;"><br />
</span></p>
<p style="text-align: justify;"><span style="color: #000000;"><strong>Confira o ranking de uma maneira menos desorganizada <img src='http://activeclick.com.br/blog/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </strong></span></p>
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<table class="MsoNormalTable" style="width: 272.25pt;" border="0" cellspacing="0" cellpadding="0" width="363">
<tbody>
<tr style="height: 24.15pt;">
<td style="padding: 0cm; background: black none repeat scroll 0% 0%; width: 13.5pt; height: 24.15pt;" width="18"></td>
<td style="padding: 0cm; background: black none repeat scroll 0% 0%; height: 24.15pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><strong><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> <span style="color: white;">Empresa</span></span></strong></p>
</td>
<td style="padding: 0cm; background: black none repeat scroll 0% 0%; height: 24.15pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><strong><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">%</span></strong></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #7f7f7f none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">1</span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.Clicker.CM </span></span></p>
</td>
<td style="padding: 0cm; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">5,40 </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #595959 none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">2</span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.Wimad.Gen.1 </span></span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">4,32 </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #7f7f7f none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">3</span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.AutorunINF.Gen </span></span></p>
</td>
<td style="padding: 0cm; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">4,22 </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #595959 none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">4</span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.Downloader.Js.Agent.F</span></span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">3,79 </span></span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #7f7f7f none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">5</span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.Exploit.ANPI </span></span></p>
</td>
<td style="padding: 0cm; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">3,59 </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #595959 none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">6</span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.Exploit.SSX </span></span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">3,36 </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #7f7f7f none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">7</span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Exploit.SinaDLoader.A </span></span></p>
</td>
<td style="padding: 0cm; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">2,70 </span></span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #595959 none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">8</span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Trojan.Downloader.Wimad.A</span></span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">2,56 </span></span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #7f7f7f none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">9</span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Exploit.HTML.Agent.AO</span></span></p>
</td>
<td style="padding: 0cm; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">2,30 </span></span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #595959 none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;">10</span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="color: #000000;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> Packer.Malware.NSAnti.1 </span></span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">2,09 </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #7f7f7f none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: white;"> </span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> </span></p>
</td>
<td style="padding: 0cm; height: 13.8pt;" valign="bottom">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> </span></p>
</td>
</tr>
<tr style="height: 13.8pt;">
<td style="padding: 0cm; background: #595959 none repeat scroll 0% 0%; height: 13.8pt;"></td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; height: 13.8pt;">
<p class="MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal;"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"> <span style="color: #000000;">Outras   pragas</span></span></p>
</td>
<td style="padding: 0cm; background: #efefef none repeat scroll 0% 0%; width: 94.5pt; height: 13.8pt;" width="126" valign="bottom">
<p class="MsoNormal" style="text-align: center; line-height: normal;" align="center"><span style="font-size: 12pt; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;">65,67 </span></p>
</td>
</tr>
</tbody>
</table>

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