Trojan viruses have gone through several stages of development before achieving the current state of perfection. Modern Trojans, unlike their predecessors years ago, are able to exploit security vulnerabilities in Windows operating system and installed software. Bugs in security software, ubiquity of unsafe browsers and email clients, outdated detection algorithms in antivirus programs allow viruses to creep into seemingly well-protected computers. That’s why decent protection against Trojans still is not perfect, and infections occur. If you paid attention to statistics published by various security labs (e.g. Kaspersky, Bit Defender, etc) then you certainly notices that Trojan viruses are amongst most active ...