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Windows 7: usb stick virus

26 Nov 2011   #1

Windows 7
usb stick virus

I just finished ordering a fresh cd of windows 7 home premium + download. I plan to burn it on a usb drive and do a clean install. The reason is because I suspect my system was infected by a virus(I was redireceted to a filestube page with rar password download)even though I have comodo firewall + defense installed and do regular virus checks with trend micro free scan and microsoft security essentials tool, and none of these show any virus found.

So if I burn the iso file on the usb stick then install it, would this be secure enough since I heard some rootkits install themselves on usb sticks and that is how they infect and spread themselves onto other pcs. I have scanned the usb flash drive with microsoft security essentials and nothing was found. Can anyone confirm if this is enough or should I wait for the CD to arrive and then do a clean install?

My System SpecsSystem Spec
26 Nov 2011   #2

Windows 7 Ultimate x64

No USB is safe. You can get it infected whenever you insert it in a running system infested with nasty viruses. The best thing to do is to plug it in before the operating system starts, boot from it to start installation and don't use it everywhere. Once you have downloaded it to your USB, you cannot use it for transferring files, etc., just for Windows installation.
My System SpecsSystem Spec
26 Nov 2011   #3

Windows 7

I am burning the iso file from the same drive that the virus have been installed on.
My System SpecsSystem Spec

26 Nov 2011   #4

Windows 7 Ultimate x64 SP1

Either wait for the CD to arrive, or download it on a different (virus free) computer to a USB stick that hasn't touched your computer.
My System SpecsSystem Spec
26 Nov 2011   #5
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

The least you should do is to turn off Autoplay.
My System SpecsSystem Spec
27 Nov 2011   #6

Windows 7

I scanned with mcafee antivirus, comodo antivirus before burning the iso on it apart from formatting it as well. I don't know if that takes care of it surfficiently or not.

Also is it more secure to install it fro usb or just mount the iso with an iso mounting tool and then do a clean install?
My System SpecsSystem Spec
27 Nov 2011   #7

Windows® 8 Pro (64-bit)

I find Autoplay a very useful feature as whenever I plug in my USB drive, I do not want to open it via Computer. But it is very important to have a strong Anti virus which will detect the Autorun viruses before it can damage your PC.
Just FYI, I use Avast.
My System SpecsSystem Spec
27 Nov 2011   #8
Microsoft MVP

Windows 7 Ultimate 32bit SP1

Flash_Disinfector link:

*** Note: Be sure to insert your flashdrives before you begin!
Double-click Flash_Disinfector.exe to run it and follow any prompts that may appear.
The utility may ask you to insert your flash drive and/or other removable drives including your mobile phone. Please do so and allow the utility to clean up those drives as well.
Wait until it has finished scanning and then exit the program.
Reboot your computer when done.
*** Note: Flash_Disinfector will create a hidden folder named autorun.inf in each partition and every USB drive plugged in when you ran it. Don't delete this will help protect your drives from future infection.

PS ... my antivirus was claiming that a virus wanted access to my computer when I clicked on the disinfector link. It's a direct download, and it's quite safe!
My System SpecsSystem Spec
27 Nov 2011   #9

Windows 7 & Windows Vista Ultimate

It is my understanding that Flash Disinfector is only compatible with Windows XP 32-bit and sUBs is not planning on updating it. Panda USB Vaccine is another option, as is dr_Bora's MCShield::Anti-Malware Tool::.
My System SpecsSystem Spec

 usb stick virus

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