tag:blogger.com,1999:blog-90314842203013897902024-02-21T01:00:00.384-08:00more than wordschrysellovehttp://www.blogger.com/profile/05522828086229518858noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-9031484220301389790.post-85777823848634559202011-06-09T02:16:00.000-07:002011-06-09T02:16:06.713-07:00<span class="Apple-style-span" style="font-family: sans-serif; line-height: 24px;"></span><br />
<h1 class="firstHeading" id="firstHeading" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; border-bottom-color: rgb(170, 170, 170); border-bottom-style: solid; border-bottom-width: 1px; color: black; font-size: 1.6em; font-weight: normal; line-height: 1.2em; margin-bottom: 0.1em; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0px; padding-top: 0px; width: auto;">Virus komputer</h1><div id="bodyContent" style="line-height: 1.5em; position: relative; width: 1071px;"><span class="Apple-style-span" style="font-size: 12px;">from chrisyel.blogspot.com</span><div id="contentSub" style="color: #7d7d7d; font-size: 11px; line-height: 1.2em; margin-bottom: 1.4em; margin-left: 1em; margin-right: 0px; margin-top: 0px; width: auto;"></div><div class="dablink noprint" style="font-size: 0.8em; font-style: italic; margin-bottom: 0.5em; padding-left: 2em;">Untuk kegunaan lain dari Virus, lihat <a href="http://id.wikipedia.org/wiki/Virus_(disambiguasi)" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Virus (disambiguasi)">Virus (disambiguasi)</a>.</div><div style="font-size: 0.8em; line-height: 1.5em; margin-bottom: 0.5em; margin-left: 0px; margin-right: 0px; margin-top: 0.4em;"><b>Virus komputer</b> merupakan <a href="http://id.wikipedia.org/wiki/Program_komputer" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Program komputer">program komputer</a> yang dapat menggandakan atau menyalin dirinya sendiri <sup class="reference" id="cite_ref-vx.netlux.org_0-0" style="line-height: 1em;"><a href="http://id.wikipedia.org/wiki/Virus_komputer#cite_note-vx.netlux.org-0" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;">[1]</a></sup> dan menyebar dengan cara menyisipkan salinan dirinya ke dalam program atau dokumen lain. Virus komputer dapat dianalogikan dengan <a href="http://id.wikipedia.org/wiki/Virus" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Virus">virus biologis</a> yang menyebar dengan cara menyisipkan dirinya sendiri ke <a href="http://id.wikipedia.org/wiki/Sel_(biologi)" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Sel (biologi)">sel makhluk hidup</a>. Virus komputer dapat merusak (misalnya dengan merusak data pada dokumen), membuat pengguna komputer merasa terganggu, maupun tidak menimbulkan efek sama sekali.</div><table class="toc" id="toc" style="background-attachment: initial; background-clip: initial; background-color: #f9f9f9; background-image: initial; background-origin: initial; border-bottom-color: rgb(170, 170, 170); border-bottom-style: solid; border-bottom-width: 1px; border-left-color: rgb(170, 170, 170); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(170, 170, 170); border-right-style: solid; border-right-width: 1px; border-top-color: rgb(170, 170, 170); border-top-style: solid; border-top-width: 1px; font-size: 12px; padding-bottom: 5px; padding-left: 5px; padding-right: 5px; padding-top: 5px;"><tbody>
<tr><td><div id="toctitle" style="text-align: center;"><h2 style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; border-bottom-style: none; border-color: initial; border-color: initial; border-left-style: none; border-right-style: none; border-top-style: none; border-width: initial; border-width: initial; color: black; display: inline; font-size: 12px; font-weight: bold; margin-bottom: 0.6em; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; width: auto;">Daftar isi</h2> <span class="toctoggle" style="font-size: 11px;">[<a class="internal" href="http://id.wikipedia.org/wiki/Virus_komputer#" id="togglelink" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;">sembunyikan</a>]</span></div><ul style="line-height: 1.5em; list-style-image: none; list-style-type: none; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0.3em; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: left;"><li class="toclevel-1 tocsection-1" style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Virus_komputer#Cara_kerja" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;"><span class="tocnumber">1</span> <span class="toctext">Cara kerja</span></a></li>
<li class="toclevel-1 tocsection-2" style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Virus_komputer#Jenis" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;"><span class="tocnumber">2</span> <span class="toctext">Jenis</span></a></li>
<li class="toclevel-1 tocsection-3" style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Virus_komputer#Cara_mengatasi" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;"><span class="tocnumber">3</span> <span class="toctext">Cara mengatasi</span></a></li>
<li class="toclevel-1 tocsection-4" style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Virus_komputer#Referensi" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;"><span class="tocnumber">4</span> <span class="toctext">Referensi</span></a></li>
<li class="toclevel-1 tocsection-5" style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Virus_komputer#Pranala_luar" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;"><span class="tocnumber">5</span> <span class="toctext">Pranala luar</span></a></li>
</ul></td></tr>
</tbody></table><h2 style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; border-bottom-color: rgb(170, 170, 170); border-bottom-style: solid; border-bottom-width: 1px; color: black; font-size: 19px; font-weight: normal; margin-bottom: 0.6em; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0.17em; padding-top: 0.5em; width: auto;"><span class="editsection" style="float: right; font-size: 13px; margin-left: 5px;">[<a href="http://id.wikipedia.org/w/index.php?title=Virus_komputer&action=edit&section=1" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Sunting bagian: Cara kerja">sunting</a>]</span><span class="mw-headline" id="Cara_kerja">Cara kerja</span></h2><div style="font-size: 0.8em; line-height: 1.5em; margin-bottom: 0.5em; margin-left: 0px; margin-right: 0px; margin-top: 0.4em;">Virus komputer umumnya dapat merusak <a href="http://id.wikipedia.org/wiki/Perangkat_lunak" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Perangkat lunak">perangkat lunak</a> komputer dan tidak dapat secara langsung merusak <a href="http://id.wikipedia.org/wiki/Perangkat_keras" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Perangkat keras">perangkat keras</a> komputer tetapi dapat mengakibatkan kerusakan dengan cara memuat program yang memaksa <i>over process</i> ke perangkat tertentu. Efek negatif virus komputer adalah memperbanyak dirinya sendiri, yang membuat sumber daya pada komputer (seperti penggunaan memori) menjadi berkurang secara signifikan. Hampir 95% virus komputer berbasis sistem operasi Windows. Sisanya menyerang Linux/GNU, <a href="http://id.wikipedia.org/wiki/Mac" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Mac">Mac</a>, <a href="http://id.wikipedia.org/wiki/FreeBSD" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="FreeBSD">FreeBSD</a>, OS/2<a href="http://id.wikipedia.org/wiki/IBM" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="IBM">IBM</a>, dan <a class="new" href="http://id.wikipedia.org/w/index.php?title=Sun_Operating_System&action=edit&redlink=1" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #ba0000; text-decoration: none;" title="Sun Operating System (halaman belum tersedia)">Sun Operating System</a>. Virus yang ganas akan merusak perangkat keras.</div><h2 style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; border-bottom-color: rgb(170, 170, 170); border-bottom-style: solid; border-bottom-width: 1px; color: black; font-size: 19px; font-weight: normal; margin-bottom: 0.6em; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0.17em; padding-top: 0.5em; width: auto;"><span class="editsection" style="float: right; font-size: 13px; margin-left: 5px;">[<a href="http://id.wikipedia.org/w/index.php?title=Virus_komputer&action=edit&section=2" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Sunting bagian: Jenis">sunting</a>]</span><span class="mw-headline" id="Jenis">Jenis</span></h2><div style="font-size: 0.8em; line-height: 1.5em; margin-bottom: 0.5em; margin-left: 0px; margin-right: 0px; margin-top: 0.4em;">Virus komputer adalah sebuah istilah umum untuk menggambarkan segala jenis serangan terhadap komputer. Dikategorikan dari cara kerjanya, virus komputer dapat dikelompokkan ke dalam kategori sebagai berikut:</div><ul style="font-size: 0.8em; line-height: 1.5em; list-style-type: square; margin-bottom: 0px; margin-left: 1.5em; margin-right: 0px; margin-top: 0.3em; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;"><li style="margin-bottom: 0.1em;"><a class="mw-redirect" href="http://id.wikipedia.org/wiki/Worm" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Worm">Worm</a> - Menduplikatkan dirinya sendiri pada <a class="mw-redirect" href="http://id.wikipedia.org/wiki/Harddisk" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Harddisk">harddisk</a>. Ini membuat sumber daya komputer (Harddisk) menjadi penuh akan worm itu.</li>
<li style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Trojan" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Trojan">Trojan</a> - Mengambil data pada komputer yang telah terinfeksi dan mengirimkannya pada pembuat trojan itu sendiri.</li>
<li style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Backdoor" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Backdoor">Backdoor</a> - Hampir sama dengan trojan. Namun, Backdoor bisanya menyerupai file yang baik-baik saja. Misalnya game.</li>
<li style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Spyware" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Spyware">Spyware</a> - Virus yang memantau komputer yang terinfeksi.</li>
<li style="margin-bottom: 0.1em;"><a class="new" href="http://id.wikipedia.org/w/index.php?title=Rogue&action=edit&redlink=1" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #ba0000; text-decoration: none;" title="Rogue (halaman belum tersedia)">Rogue</a> - merupakan program yang meniru program <a href="http://id.wikipedia.org/wiki/Perangkat_lunak_antivirus" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Perangkat lunak antivirus">antivirus</a> dan menampilkan aktivitas layaknya antivirus normal, dan memberikan peringatan-peringatan palsu tentang adanya virus. Tujuannya adalah agar pengguna membeli dan mengaktivasi program antivirus palsu itu dan mendatangkan uang bagi pembuat virus rogue tersebut. Juga rogue dapat membuka celah keamanan dalam komputer guna mendatangkan virus lain.</li>
<li style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Rootkit" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Rootkit">Rootkit</a> - Virus yang bekerja menyerupai kerja sistem komputer yang biasa saja.</li>
<li style="margin-bottom: 0.1em;"><a class="new" href="http://id.wikipedia.org/w/index.php?title=Polymorphic_virus&action=edit&redlink=1" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #ba0000; text-decoration: none;" title="Polymorphic virus (halaman belum tersedia)">Polymorphic virus</a> - Virus yang gemar beubah-ubah agar tidak dapat terdeteksi.</li>
<li style="margin-bottom: 0.1em;"><a class="new" href="http://id.wikipedia.org/w/index.php?title=Metamorphic_virus&action=edit&redlink=1" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #ba0000; text-decoration: none;" title="Metamorphic virus (halaman belum tersedia)">Metamorphic virus</a> - Virus yang mengubah pengkodeannya sendiri agar lebih sulit dideteksi.</li>
<li style="margin-bottom: 0.1em;"><a href="http://id.wikipedia.org/wiki/Virus_ponsel" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Virus ponsel">Virus ponsel</a> - Virus yang berjalan di telepon seluler, dan dapat menimbulkan berbagai macam efek, mulai dari merusak telepon seluler, mencuri data-data di dalam telepon seluler, sampai membuat panggilan-panggilan diam-diam dan menghabiskan pulsa pengguna telepon seluler.</li>
</ul><h2 style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; border-bottom-color: rgb(170, 170, 170); border-bottom-style: solid; border-bottom-width: 1px; color: black; font-size: 19px; font-weight: normal; margin-bottom: 0.6em; margin-left: 0px; margin-right: 0px; margin-top: 0px; overflow-x: hidden; overflow-y: hidden; padding-bottom: 0.17em; padding-top: 0.5em; width: auto;"><span class="editsection" style="float: right; font-size: 13px; margin-left: 5px;">[<a href="http://id.wikipedia.org/w/index.php?title=Virus_komputer&action=edit&section=3" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Sunting bagian: Cara mengatasi">sunting</a>]</span><span class="mw-headline" id="Cara_mengatasi">Cara mengatasi</span></h2><div style="font-size: 0.8em; line-height: 1.5em; margin-bottom: 0.5em; margin-left: 0px; margin-right: 0px; margin-top: 0.4em;">Serangan virus dapat dicegah atau ditanggulangi dengan menggunakan <a href="http://id.wikipedia.org/wiki/Perangkat_lunak_antivirus" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none;" title="Perangkat lunak antivirus">Perangkat lunak antivirus</a>. Jenis perangkat lunak ini dapat juga mendeteksi dan menghapus virus komputer. Virus komputer ini dapat dihapus dengan basis data (<i>database</i>/ <i>Signature-based detection</i>), heuristik, atau peringkat dari program itu sendiri (<i>Quantum</i>).</div></div>chrysellovehttp://www.blogger.com/profile/05522828086229518858noreply@blogger.com0