Cara Kerja
Virus komputer umumnya dapat merusak perangkat lunak komputer dan tidak dapat secara langsung merusak perangkat keras komputer tetapi dapat mengakibatkan kerusakan dengan cara memuat program yang memaksa over process 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, Mac, FreeBSD, OS/2 IBM, dan Sun Operating System. Virus yang ganas akan merusak perangkat keras.
Jenis
- Worm - Menduplikatkan dirinya sendiri pada harddisk. Ini membuat sumber daya komputer (Harddisk) menjadi penuh akan worm itu.
- Trojan - Mengambil data pada komputer yang telah terinfeksi dan mengirimkannya pada pembuat trojan itu sendiri.
- Backdoor - Hampir sama dengan trojan. Namun, Backdoor bisanya menyerupai file yang baik-baik saja. Misalnya game.
- Spyware - Virus yang memantau komputer yang terinfeksi.
- Rogue - merupakan program yang meniru program antivirus 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.
- Rootkit - Virus yang bekerja menyerupai kerja sistem komputer yang biasa saja.
- Polymorphic virus - Virus yang gemar beubah-ubah agar tidak dapat terdeteksi.
- Metamorphic virus - Virus yang mengubah pengkodeannya sendiri agar lebih sulit dideteksi.
- Virus ponsel - 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.
Cara Mengatasi
Serangan virus dapat dicegah atau ditanggulangi dengan menggunakan Perangkat lunak antivirus. Jenis perangkat lunak ini dapat juga mendeteksi dan menghapus virus komputer. Virus komputer ini dapat dihapus dengan basis data (database/ Signature-based detection), heuristik, atau peringkat dari program itu sendiri (Quantum).
Antivirus terbaik dunia:10 Antivirus Terbaik 2011
3.Webroot Antivirus
5.ESET Nod32 Antivirus
6.AVG Antivirus
10.Trend Micro Titanium Antivirus
Antivirus terbaik dunia:10 Antivirus Terbaik 2011
1.Bitdefender Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, Keyloggers, inbound email protection, outbond email protection, instant messaging protection, p2p/file sharing, registry startup protection, dialers, backdoors, hackers, phising, identity theft protection, adware, activex, vulnerabilities, cookies, scripts, full web protection, auto usb detect.
•Protection Technology: Virus signatures, whitelisting, heuristic, real time.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 29.95
2.Kaspersky Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, Keyloggers, inbound email protection, outbond email protection, instant messaging protection, p2p/file sharing, registry startup protection, dialers, backdoors, hackers, phising, identity theft protection, adware, activex, vulnerabilities, cookies, scripts, full web protection, auto usb detect.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, real time, security network.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 59.95
3.Webroot Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, Keyloggers, inbound email protection, outbond email protection, instant messaging protection, p2p/file sharing, registry startup protection, dialers, hackers, identity theft protection, adware, activex, cookies, scripts, spam.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, real time, security network.
•Supported OS: XP (32 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 29.95
4.Norton Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, inbound email protection, outbond email protection, instant messaging protection, registry startup protection, dialers, backdoors, hackers, identity theft protection, adware, activex, vulnerabilities, scripts, full web protection, auto usb detect.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, real time, security network.
•Supported OS: XP (32 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 39.99
5.ESET Nod32 Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Keyloggers, inbound email protection, outbond email protection, registry startup protection, dialers, backdoors, adware, activex, vulnerabilities, scripts, full web protection, auto usb detect.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, real time, security network.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 39.99
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, Keyloggers, inbound email protection, outbond email protection, instant messaging protection, p2p/ file sharing protection, registry startup protection, dialers, backdoors, hackers, phising, identity theft protection, adware, activex, vulnerabilities, cookies, scripts, full web protection, spam, auto usb detect.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, real time, security network.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 34.99
7.G Data Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, inbound email protection, outbond email protection, instant messaging protection, registry startup protection, dialers, backdoors, hackers, phising, identity theft protection, adware, scripts, full web protection,.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, security network.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 29.95
8.Avira Antivir
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, inbound email protection, outbond email protection, registry startup protection, dialers, backdoors, phising, adware, activex, scripts, full web protection.
•Protection Technology: Virus signatures, heuristic, real time, security network.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 26.95
9.Vipre Antivirus
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: Browser exploit, OS exploit, Keyloggers, inbound email protection, outbond email protection, instant messaging protectionp2p/file sharing, registry startup protection, dialers, backdoors, hackers, phising, adware, activex, vulnerabilities, cookies, scripts, auto usb detect.
•Protection Technology: Virus signatures, blacklisting, whitelisting, heuristic, real time, security network.
•Supported OS: XP (32 & 64 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 29.95
•Threat Detection: Virus, Worm, Trojan, Spyware, Malware, Rootkit.
•Additional Protection: OS exploit, Keyloggers, inbound email protection, outbond email protection, instant messaging protection, registry startup protection, dialers, hackers, identity theft protection, adware, activex, vulnerabilities, cookies, scripts, auto usb detect.
•Protection Technology: Virus signatures, blacklisting, whitelisting, real time, security network.
•Supported OS: XP (32 bit), Vista (32 & 64 bit), Windows 7 (32 & 64 bit)
•Price: $ 39.95
sumber:Dr. Solomon's Virus Encyclopedia, 1995, ISBN 1-897661-00-2, Abstract at http://vx.netlux.org/lib/aas10.html
http://namakugusti.wordpress.com/2011/02/27/10-daftar-anti-virus-terbaik-tahun-2011-download-anti-virus-software/
http://namakugusti.wordpress.com/2011/02/27/10-daftar-anti-virus-terbaik-tahun-2011-download-anti-virus-software/
06.06
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