Waski.a is a vicious Trojan that can be propagated by adware and other malicious viruses. This often utilizes some loopholes to sneak into your system. To remove it, you can take following steps:- Press F8 key to enter the safe mode with networking. End the process of Win32/TrojanDownloader.Waski.A by pressing ctrl+ alt + Del button. Remove Win32/TrojanDownloader.Waski.A from Windows Start-up items. Scan your system with the help of best malware protection tools like Immunet, Norton 360, Panda Cloud, Kaspersky, Bitdefender etc.