Hello and welcome. I suspect you have the Internet Security 2010 malware. You may need to copy these tools to a flash or CD to use them if you cannot get them fro m your connection.
First try using the Automated Removal Instructions for Internet Security 2010
from our guide here.Remove Internet Security 2010 (Uninstall Guide)
Post the scan log in your next reply with any questions and an update on the PC.
The log is automatically saved and can be viewed by clicking the Logs
tab in MBAM.
Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
For TASK MGR DISABLED.. IF this is XP
This step involves making changes in the registry. Always back up your registry before making any changes.
Go to Start » Run and type: regedit
On the left side, click to highlight My Computer
at the top.
Go up to File » Export
Make sure in that window there is a tick next to "All" under Export Branch.
Leave the "Save As Type" as "Registration Files".
Under "Filename" put RegBackup
Choose to save it to C:\
and then go to File » Exit.
Or you can download and use ERUNT
which is an excellent free tool that allows you to to take a snapshot (backup) of your registry before making changes and restore it when needed.
Click on the link below:http://www.kellys-korner-xp.com/xp_tweaks.htm
Scroll down to #275 and click "Lift Restrictions - TM, Regedit and CMD" in the left column. Go to File, choose "Save page as" All Files and save regtmcmdrestore.vbs
to your desktop. Double-click on that file to allow the script to run and reboot when done. Since the script modifies certain registry settings your anti-virus package may warn you about it. Ignore the warning and allow it to run.