3 cong cu diet virus mien phi

Khong phai luc nao "tien nao cua ay" cung dung! Loat bai ve cac phan mem, tien ich mien phi sau gioi thieu voi ban nhung san pham tot.

Ba phan mem AntiVir PersonalEdition Classic, avast!4 Home Edition, AVG Free Edition hoan toan mien phi, la giai phap khi phan mem diet virus co ban quyen cua ban da het han su dung.

Dac diem chung

Ba phan mem nay quet virus toan bo he thong, cung nhu cac tap tin. Ca ba deu ho tro tu Windows 98, Me, 2000 va XP. Cac phien ban moi cua chung deu co giay thong hanh an ninh cua Microsoft, nghia la duoc tuong lua cua XP SP2 ghi nhan.

Chung tu dong cap nhat du lieu ve virus, nen nguoi dung khong phai lo rang, se co nhung virus moi bi lot luoi. Chung co the quet tat ca cac dinh dang tap tin hoac nhung thu muc con duoc chon. Neu phat hien tap tin nhiem benh, nguoi dung co the chon sua chua, xoa hay "cach ly" doi tuong nay nhu cac phan mem diet virus khac van lam.

Theo danh gia cua cac chuyen gia bao mat, phan mem diet virus tot phai chong duoc cac ten gian diep (spyware). Ba phan mem nay co kha nang phat hien va tieu diet nhieu con ngua thanh Troa ( Trojan), mot dang virus am tham dot nhap, nam vung trong may tinh cua ban.

AntiVir Personal Edition Classic

Tuy khong the quet cac dinh dang dac biet gan kem thu dien tu, phan mem nay ngan chan kha tot cac gian diep muon tham nhap. Sau khi quet xong, ban bao cao kha chi tiet lai lich virus phat hien duoc, thuan tien cho nguoi dung tra cuu de tim cong cu diet huu hieu hon.

Giao dien cua AntiVir don gian. Ngay khi kich hoat, chuong trinh thuc hien quet nhanh he thong. No co kha nang phat hien mot so loai ngua thanh Troa, nhung khong the xoa chung. 

Diem yeu cua chuong trinh nay la kha nang bao ve thu dien tu. Khong giong voi hai phan mem avast! va AVG, AntiVir khong quet duoc cac dang dinh kem dac biet trong thu dien tu.

Diem manh: Manh trong viec ngan chan cai dat cac phan mem gian diep.

Diem yeu: Khong co tinh nang quet dac thu cac thu dien tu. Quet theo yeu cau khong co tinh nang cach ly, chi co the diet va sua chua.

Tai ve tai http://www.free-av.com/   

Avast! 4 Home Edition

Giao dien phan mem than thien, tuong tu nhu giao dien cua mot ung dung da phuong tien. Nguoi dung co the chon thu muc, dat mot so yeu cau va quet, phan mem nay cung cap giai phap bao ve may tinh huu hieu, voi nhieu tinh nang. Tuy khong co chuc nang dinh ky quet, tinh nang quet theo thoi gian thuc (real-time) theo doi cac tap tin dinh kem cua thu dien tu, tin nhan IM.

Khi phan mem phat hien nhung ung dung la chay thuong truc trong bo nho, no se yeu cau ban khoi dong lai may va quet he thong truoc khi nap Windows. Tinh nang nay chi co o may chay Windows NT/2000/XP.

Khi phat hien virus, neu muon cach ly, ban se chon Virus Chest. Virus Recovery Database giup khoi phuc cac tap tin bi nhiem virus. Ngoai kha nang quet tap tin kem thu dien tu, avast con chan cac tap tin gui den hay di neu co bieu hien bat thuong. Thi du, neu phat hien nhieu thu cung mot dia chi gui den hoac co qua nhieu dia chi nguoi nhan cho mot thu dien tu, no co the quet tai cac tai khoan thu dien tu POP3 hay qua trao doi tap tin o mang ngang hang.

Diem manh: Quet tap tin khoi dong truoc khi chay Windows. Quet thu dien tu, ngan chan cac dang sau, co the thong bao bang thu dien tu khi phat hien virus. Tinh nang Virus Recovery Database de tro giup sua chua tap tin bi nhiem virus.

Diem yeu: Khong co chuc nang dinh ky quet virus.

Tai ve tai www.avast.com/eng/avast_4_home.html  

AVG Free Edition

Mot phat hien kha hay cua chuong trinh nay la khi mot con ngua thanh Troa nay lo dang, phan mem AVG tu dong nhac ban nen khoi tao dia du phong. Ngay lan dau tien ban chay chuong trinh, no kiem tra va tu dong cap nhat, dong thoi tao dia du phong.

Giao dien cua AVG de dung, cho phep nguoi dung dat cac yeu cau cho cac tinh nang quet, diet. Tuy kha nang phat hien cac phan mem gian diep kha tot, nhung kha nang diet hoi yeu. AVG tich hop voi cac phan mem thu dien tu nhu Outlook, Eudora.

Diem manh: Tich hop voi Outlook, Eudora. Co kha nang diet, xoa tat ca cac dang dinh kem thu dien tu.

Diem yeu: Hoi yeu trong ngan chan gian diep. Bi gioi han o cap nhat du lieu hang ngay.

Tai ve tai www.grisoft.com/