Virus Basics
A destructive software program.
Computer virus
Malware that spreads without a host file.
Worm
One way viruses spread online.
Email attachments
Software that detects and removes malware.
Anti-virus software
A sign of virus infection.
Unusual error messages
A suspicious file extension example.
.jpg.exe
Malware disguised as a useful program.
Trojan Horse
Devices commonly used to transfer viruses.
flash drives/disks
Process of checking the computer for malware.
Scanning
Malware that secretly collects information.
Spyware
Viruses start working when this happens.
Running the infected program
Malware that infects startup areas.
Boot Sector Virus
Viruses can spread through this computer connection system.
Networks
Files are isolated here for safety.
Quarantine
Virus that infects executable files.
Program Virus
Viruses cannot infect this type of disk.
write-protected disks
Malware that spreads independently across computers.
Worm
Files from unknown senders may contain this.
Malware
Another option besides deleting infected files.
Repairing infected files
Boot sector viruses infect this part of the computer.
A computer infected with malware may become this.
Slow
Malware that tricks users by pretending to be safe.
Trojan Horse
Viruses can spread through shared computer this.
Important software that should always be updated.
Antivirus software
Main purpose of antivirus software.
Detecting and removing malware