What is a Trojan ? How to Remove ?

Trojan horses usually use social engineering, like a pirated software or a fake Office document send by mail, to gain control over a computer. Once installed, they usually hide themselves from the system and make it impossible for the user to remove.

What is a Virus ? How to Remove ?

Computer viruses were the first kind of malware that were developed. At the beginning, they were not malicious per se (the first computer virus “Creeper”, developed in 1970 only displayed a message), but soon after malicious ones begin to appear and counter-measures known as “anti-virus” software were developed.