First, ***
1 *** computer
containing illegal procedure in legal proceedings
2. *** endanger
file operations
modify the registry
password-stealing
keyloggers
system operation
3, a common virus ***
Ice
widely outside the specter of
the great white shark
gray pigeons
Second, the similarities and differences between computer viruses and biological viruses of
the same point: parasitic, infectious and destructive
different points: the preparation of artificial
Second, the characteristics of computer viruses
unauthorized execution of
hidden
infectious
latent
destructive
can be triggered
Third, the computer virus - the classification
file type
boot sector type
macro virus
VBS script virus
worms
Fourth, harm the network computer virus
-destructive
spread of highly
diffuse wide
spread fast
is difficult to eradicate
V. script virus
1, script viruses use .asp, .htm, .html, .vbs, .js types of files spread-based VB script and Java script scripting language
2, the script virus characteristics
hidden
wide spread