- ZIP File
- Worm
- Windows Scripting
- Warm Boot
- Virus Hoaxes
- Virus
- Variant
- Vaccination
- VBS
- Tunneling
- Trojan Horse Program
- Triggered Event
- Timestamp
- Time Bomb
- TSR
- System Boot Record
- Stealth Virus
- Sparse Infector
- Sniffer
- Slow Infector
- Signature
- Shareware
- Shared Drive
- Self-garbling Viruses
- Self-extracting Files
- Self-encrypting Virus
- Sector Viruses
- Scanner
- SMTP
- Resident Virus
- Replication
- Redirect
- Real-time Scanner
- RTF File
- Program Infector
- Polymorphic Virus
- Piggyback
- Payload
- Password Sniffing
- Password Attacks
- PGP
- Overwriting Virus
- Operating System
- On-demand Scanner
- On-access Scanner
- Not In The Wild
- NTFS
- Mutating Virus
- Mutant
- Multipartite Virus
- Memory-resident Virus
- Master Boot Sector Virus
- Master Boot Sector
- Master Boot Record
- Malware
- Malicious Code
- Macro Virus
- Macro
- MS-DOS
- MP3 File
- MBR
- Logic Bomb
- Library File
- Key
- Joke Programs
- JavaScript
- Infection
- Host
- Hole
- Hijacking
- Heuristic Analysis
- Firewall
- File Viruses
- FAT
- Encryption
- Encrypted Virus
- EXE file
- Dropper
- Disinfection
- Direct Action Virus
- Denial Of Service (DoS)
- DOS
- Cookie
- Companion Virus
- Cold Boot
- Cluster Virus
- Checksum
- Boot Sector Infector
- Boot Sector
- Boot Record
- Boot
- Batch files
- Backup
- Background Task
- Background Scanning
- Back Door
- BIOS
- Antivirus Virus
- Anti-virus Software