Re: [NF] Fake Antivirus Software

Author: Dave Thayer

Posted: 2011-03-24 at 09:59:37

On Wed, Mar 23, 2011 at 11:54 PM, Demon <peter@peterhart.demon.co.uk> wrote:

> As I suspected this was how my clients were getting these Fake Antivirus

> programs, I plugged in a second hand computer and proceeded to go through

> the same procedure.

>

> This time I went further and clicking Remove All took me to a save or run

> dialogue.  I went through the same procedure with Firefox and it gave the

> same results.

>

> I then went a stage further and saved and ran the executable and sure enough

> on restarting the computer the Fake Antivirus Program was well and truly

> embedded.

>

> I went into safe mode.  Installed Malware bytes from a pen drive and it

> successfully removed the Virus.

You need to be Really Careful when trying this sort of exercise. A

while back I had a fresh VirtualBox XP VM installed, so I decided to

play with a disposable image snapshot and try a similar exercise.

A short time later I got a nastygram from my ISP (Comcast) saying that

my access to port 25 (direct SMTP) was being shut down. Apparently,

just for the minute or so that I was experimenting my VM sent out

enough spam to raise a red flag at Comcast.

Tread carefully here...

dt

--

Dave Thayer

Denver, CO

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©2011 Dave Thayer