Bien the moi cua virus Klez

Ho hang moi cua con sau nay dang "ngao du" tai mot so nuoc chau A va hom qua da xuat hien o My voi cac ten Klez.g, Klez.h va Klez.k.

Virus co the xoa cac file, dong thoi lam te liet mot so phan mem chong virus. Alex Shipp, mot chuyen gia diet virus cua nha cung cap dich vu e-mail MessageLabs, tru so tai My, cho biet con bo da tim moi cach vuot qua cac san pham chong virus de ngay cang nhan rong pham vi lay lan cua no.

Cong ty Kaspersky Labs, tru so tai Matxcova (Nga), cho biet ho da nhan duoc cac thong bao ve su lay lan cua bien the Klez moi o Nhat Ban, Trung Quoc, Ao va Cong hoa Sec.

Virus nay hoat dong theo chu ky. No thuong xuat hien vao ngay mung 6 cua cac thang le.

Klez len loi vao may tinh cua nguoi dung qua e-mail voi nhieu tieu de khac nhau, nhu “let’s be friends”, “meeting notice”, “some questions” va “honey”. Nhung file dinh kem chua virus nay thuong co cac duoi .exe, .pif, .com, .bat, .scr hoac .rar.

Trong nhieu truong hop, Klez khong can nan nhan phai mo e-mail ma tu no se hoat dong.

Nguoi dung e-mail duoc khuyen cao nen cap nhat cac phan mem chong virus de tu bao ve minh truoc Klez.

Thanh Tu (theo CNet, Ananova)