Trojan

Trojan

Trojan is any malicious computer program, it’s takes name from the story of the Trojan horse, because it misleads users of its true intent, its creating backdoors in security, spying. Term was made popular by Ken Thompson in 1983. Girlgif.trojan was discovered in 2001, the email message has two attachments: Girl.exe 65 KB and Girl.gif. The Girl.gif 17 KB file is actually a .dll file, not a .gif file. This Trojan might track password and keyboard input.