2. VIRUS
VIRUS IS A SOFTWARE, CONTAINS SET OF
PROGRAMMES WHICH LEAD FORCED TO
WORK WITHOUT ANY COMMANDS &
INTERUPTION. THE COMPUTER VIRUS ARE
EXECUTABLE PROGRAMMES.
2 COMPUTER VIRUS / JANGIDML
3. EFFECTS : MAY BE ONE OR
MORE
DATA : CORRUPT
SOFTWARES : CORRUPT
OPERATING SYSTEM : CORRUPT
HARD DISK : CREATE BAD SECTORE OR
CORRUPT
SLOW DOWN : PROGRAMMES
PRINT : UN-USAL CHARACTERS
HANG : PC OPERATIONS
3 COMPUTER VIRUS / JANGIDML
4. TYPES OF VIRUS
PROGRAM VIRUS : .COM,.EXE,.DLL etc.
BOOT VIRUS : INTERUPT BOOTING PROCESS
MACRO VIRUS : EXECUTE SEQUENCE OF KEY
STROCKS
STEALTH VIRUS : HIDE FROM ANTI-VIRUS
POLY MORPHIC VIRUS : INFECT PROGRAMMES
MULTIPARTITE VIRUS : BOOT & PROGRAMMES
COMPANION VIRUS : INFECT PROGRAMMES WITH
.COM
MALICIOUS PROGRAMS : INFECT PROGRAMS OF
4 DOWNLOAD / JANGIDML
COMPUTER VIRUS
5. TIPS TO MINIMIZE VIRUS
RISKS
AUTOMATIC PROTECTION BY ANTI-VIRUS
SCAN : HARD DICK
SCAN : FD,CD,USB DRIVE
E-MAIL : SCAN & READ
UPDATE : ANTI-VIRUS
DOWNLOAD : CARE & SCAN
AVOID COPIED SOFTWARES
AVOID TO USE BORROWED CD,USB DRIVE
ETC
USE BACKUP & RESCUE DISK
5 COMPUTER VIRUS / JANGIDML