Looks like you had/have vundo trojan, so...
* Please download
Malwarebytes' Anti-Malware from
HERE or
HERE
Double Click
mbam-setup.exe to install the application.
* Make sure a
checkmark is placed next to
Update Malwarebytes' Anti-Malware and z
Launch Malwarebytes Anti-Malware, then click
Finish.
* If an update is found, it will download and install the
latest version.
* Once the program has loaded, select
"Perform Full Scan", then
click Scan.
* The scan may take some time to finish,so please be patient.
* When the scan is complete,
click OK, then
Show Results to view the results.
* Make sure that
everything is checked, and click
Remove Selected.
* When
disinfection is completed, a log will open in
Notepad and you may be prompted to
Restart.(See Extra Note)
* The log is automatically saved by
MBAM and can be viewed by clicking the
Logs tab in MBAM.
*
Copy&Paste the
entire report in your next reply along with a fresh
HijackThis log.
Extra Note:
If MBAM encounters a file that is difficult to remove,you will be presented with 1 of 2 prompts,click OK to either and let MBAM proceed with the disinfection process,if asked to restart the computer,please do so immediatly.
Also...
Update Java: Security Issue
* Go to
Start >
Control Panel double-click on the
Software icon > add/remove programs.
* Search in the list for all previous installed versions of Java. (J2SE Runtime Environment.... )
It should have next icon next to it:

Select it and click Remove.
* The current version can be downloaded from Sun here:
Java SE Downloads - Sun Developer Network (SDN) Scroll down the page to 'Java Runtime Environment (JRE) 6u12(or higher) and press the 'Download' button. On the new web page, click the 'Accept License Agreement' button. Then select 'Windows Offline Installation, Multi-language' in the Windows Platform area just below the Accept button.