Hey everyone. I came here once with ThinkPoint infecting my computer. You guys helped me kill it. Now I need your pro knowledge once again please. PART 1 My Dad's having a ton of trouble with his desktop computer. It got attacked by what he called a "variant" of the "Homeland Security" malware. He was browsing the internet and Malwarebytes started to say 14 malware removed, 18 malware removed, and escalated once more until it ceased to function while Avast antivirus simultaneously brought up an orange flag for less than half a second, and as the background changed to orange and the word "Avast" began to appear, the computer shut off. This is the second attack his desktop has endured. The first attack was FBI ransomware, but that was eradicated with the help of using F8 to launch "safe mode with support" and disabling questionable applications from the desktop using Task Manager and shutting the programs off. He then used Malwarebytes Anti Malware and Auslogics Pro's advanced tools to clean the registry. He then used Auslogics Task Manager to expand all programs (inactive programs included), and then using the ability of Auslogics Task Manager to hover his cursor over every program individually and cause an internet search to run on whatever program his cursor is hovering over, so that he can gain information about it and then potentially delete it if it was the malware. He also used a website that he cannot remember the name of, but which contained information specifically listing how to remove the FBI malware from the registry. There were around six program listings in total that he searched for, and couldn't find because they had already been eradicated by either Auslogics or Malwarebytes Anti Malware. When he rebooted his computer, everything seemed to be fine. He rebooted 6 times (to check and see if a DOS program which apparently runs every fifth boot of your computer was running) and everything seemed to be fine and working normally. That brings us to now: PART 2 While his computer seemed to be working fine, a few weeks later (now), his computer was attacked a second time. This time, the phrase "Homeland Security something something" appeared, and my dad tried to look up on his tablet how to remove the malware/virus. The tablet said this is another, more advanced, version of the FBI malware. It warned that attempting to reboot your computer or pressing Ctrl+Alt+Del while the screen showed the malware splash screen would result in the malware launching a rootkit, which my dad unfortunately didn't get to see as he was panicked and hit Ctrl+Alt+Del while still reading on his tablet. Now his computer won't even boot to DOS. I need your help please. Having a pro would be utmost appreciated. ((( NOTE: ))) In the time it takes you to have read this, I am going to attempt to create a Bootable USB stick using a Centron 4GB Datastick PRO, and having the USB Stick equipped with UNetbootin: link for reference ( http://unetbootin.sourceforge.net/unetbootin-windows-latest.exe ) which I got from ( lifehacker.com/the-complete-guide-to-saving-your-windows-system-with-a-thumb-drive ) Thank you so much for your time reading this post and I thank you in advance for any help I might receive on this topic. I'm also hoping to convince my dad to become active on the TechSpot Virus and Malware Removal forums so he can be more educated on the subject and be able to deal with things like this much easier. My apologies for any run-on sentences, as I was asking my dad for play-by-play information and typing it as he said it so you guys have the most accurate stuff to work with.