Trojan:Win32/FakeSysdef is detected as a harmful and deceitful Trojan infection that uses command and control server to download other malicious payloads upon the PC. This type of trojan cannot spread on its own. Rather, it relies on the user’s incautious activities like visiting a hacked or malicious webpage to spread on the machine. Trojan:Win32/FakeSysdef may drop malicious files that generates fake security reports on the desktop and may urge calling on fraud numbers to cheat users. Also, this trojan can silently give access of the PC to any remote server who can steal your personal information without letting you know. Trojan:Win32/FakeSysdef loads up various small chuck of codes that keeps on executing within the background. These codes although small but needs high CPU usage, thus rendering the whole Pc performance slow and sluggish. Trojan:Win32/FakeSysdef is only designed for the purpose of controlling the vulnerable system and carry out evil tasks through that. Trojan:Win32/FakeSysdef is an extremely harmful program that must be eliminated as soon as possible.