viruses can attach you through malicious website, corrupt your important data and system files. how ever you can keep your self safe with anti-virus software . Anti-virus software comes in several type of packages best of all some of most effective are freeware.
Antivirus software has mode of detection method
1. Signature based detecton
2. Malicious activity detection
3. Heuristic based detection
Anti-Spy ware : Judging from it's name assume spy ware was simply malware that monitors your pc activities. Spy ware indeed collects personal information regarding what sites you visit and for hhow long. However , it can also werst control from the user. It redirects one's browser activity and even permits the installtion of additional software without one's consent or knowledge . spyware doesn't infect neighbouring computers; it attcakes by exploiting software loopholes. some of its other more damaging effects include:
- Higher CPU utilisation
- Unwanted disk usage
- System crashes
- Software Freezing
- Start up failures
- lower connection speeds
Spyware has servel routes of infection . A common method is by "Piggy - Baking" on software downloads such as kazza and limewire. It can also come bundled with shareware . keep in mind that the downlosd itself is still safe , once the software is installled the spyware authores often repackage popular freeware with installer for spyware.