"Program Too big to fit into memory"

[Lemony Vengeance]

As you can probably tell by the title, a machine I've been working on is infected with Windows AV PRO.. Everytime I attempt to open a program I get a command prompt box that flashes briefly with the text "Program too big to fit in memory". This prevents me from running any antispam software. Of course re-install isn't an option so I was wondering what you all suggest.

[Lemony Vengeance]

ok, update:

I found a forum on the internet saying that the file c:\windows\system32\desot.exe was responsible for this issue. i moved it to the recycling bin and was able to open programs again, but as soon as I tried hitting the MBAM site explorer.exe crashed. I attempted to reopen it from task manager and it came up with the "choose a program to run explorer.exe" window... no good

I booted into safemode and was able to open to the command prompt by manually specifying that I wanted to use c:\windows\system32\cmd.exe to open cmd.exe and ran the install/scan of mbam from there.... but it closed it out as soon as the scan started. now it's saying access is denied when I try to manually run it.

[Firefox]

Greetings and Welcome .

If you're having trouble getting Malwarebytes' and other tools to update or run please review the following tutorials and see if they are helpful:

• Total-Security (FakeAlert)
  
• av360 (Fakealert)
  
• CLB Rootkit driver=TDSS/Seneka/GAOPDX/UAC/ovfst
  
• SystemSecurity
  

If you aren't able to use those instructions or there are other issues then please follow the instructions here:

I'm infected - What do I do now?

And post your logs in a new topic here:

Malware Removal - HijackThis Logs

Please be sure not to install any software or use any removal or scanning tools except those that you are

instructed to by the expert who will be assisting you as doing so can make their job much more difficult.

note: if for some reason you are unable to run some or any of the tools in the first link, then skip that step and move on to the next one.

If you can't even run HijackThis, then just post here: Malware Removal - HijackThis Logs describing your issues and an expert will reply with further instructions.

I hope I was helpful. Good luck and safe surfing.