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Protection againt Malware: Virus, Trojans, Worms and Spyware

 

Computer protection is a combination of firewall protection, updating windows security patches, and a good anti-virus/internet security suites. A good anti-virus software updates the virus definition several times a day.

Protecting our PC

Basic protection for a PC is an anti-virus software. This can check infected files in emails, scans your computer's memory and hard drive for infected files. For some people this should be sufficient PC protection, they use their computer mostly for emails and goes to a few trusted sites like their bank websites. But for heavy web surfers, limewire users, and download freaks, this protection is not enough from other malwares like trojans, adware - annoying pop ads, key stroke loggers, etc. an internet security suite is what's needed, this protects their computer against any malware and has a built in firewall to block ports known to be used by trojans and hackers.

Computer Virus

A Virus is a computer program that replicates by attaching itself to another object and/or program. A Stealth Virus is another virus that hides itself by intercepting disk access requests. When an antivirus program tries to read files or boot sectors to find the virus, the stealth virus feeds the antivirus program a clean image of file or boot sector.

Spyware

Spyware is software that performs actions such as creating unsolicited pop-ups, hijacks home/search pages, or redirects browsing results.

Computer Worm

A Worm is a computer program that replicates independently by sending itself to other systems. Worms are "network viruses", primarily replicating on networks. Usually a worm will execute itself automatically on a remote machine without any extra help from a user. However, there are worms, such as mass-mailer worms, that will not always automatically execute themselves without the help of a user. Multiple vectors of spreading result in malware being typed as "Worm". A single vector of spreading will result in a more specific type. Examples: "Net-Worm", "IM-Worm", or "Bluetooth-Worm".

Malware

Malware is a common name for all kinds of unwanted software such as viruses, worms, trojans and jokes. Like Adware, a type of Advertising Display Software that delivers advertising content potentially in a manner or context that may be unexpected and unwanted by users. or Data Miner is a program that can collect information on how you browse and use websites. The collected information can include data gathered from forms you fill and submit. Usually data miners work without your knowledge.

Trojans

A Trojan or Trojan House is a software application with hidden destructive functionality. It is a program that appears to do one thing but actually does another.
Trojan-Downloader: Downloads and installs new malware or adware on the targeted computer.
Trojan-Dropper: installs other malware on a computer without the computer user's knowledge.
Trojan-Proxy: These Trojans function as a proxy server and provide anonymous access to the Internet from infected machines.
Trojan-PSW: This type of Trojan is designed to steal passwords.
Trojan-Spy: A type of Trojan that includes a variety of spy programs and keyloggers.

Virus protection is the most important software a computer user needs. There are four free programs available: Grisoft's AVG Anti-Virus Free (http://free.grisoft.com/doc/1), avast! 4 Home Edition (http://www.avast.com/), AntiVir PersonalEdition Classic (http://www.free-av.com/), and AOL Active Virus Shield (http://www.activevirusshield.com). But you can have better protection using other commercial software such as F-secure.

If you need absolute malware protection call the JHSYS Computer Specialist: 213-487-0113 or email us at specialist@jhsys.us. The Specialist does IT better than the geeks.

We offer up to 365 days of worry free guarantee, 12x times better than the computer repair geeks.

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