help with Vundo.gen.k

[Anywhere]

Hello,
Having loaded vundofix.exe, after having opened, I have two messages:
Done searching for files, I click on OK and immediately the following message appears. No files were found infected I click ok but after a few hours I get a message that computer is infected with vundo.gen.k

Please help me and Thank you for the same.

[Zachary]

Download HijackThis on your desktop: HijackThis - How to use HijackThis? What it dose?
Double-click on HJTInstall to start the installation.
Click on Install then on I Accept.
Click Do a system scan and save a logfile.
Open Notepad, make a copy and paste its contents here in your next message.

[Anywhere]

Your explanation is very detailed thank you.
I loaded, install, then I accepted
Immediately a message to Hijack this.exe generated errors and was closed by windows. You must restart the program. What should I do?

[Big Fish]

---> Download Malwarebytes' Anti-Malware (MBAM) on your desktop.
---> Double-click the downloaded file to start the installation process.
---> In the Update tab, click the Search button to update if the firewall is seeking authorization to MMFA to connect to the Internet, agrees.
---> Once the update is complete, go in the search tab.
---> Select Run a quick review.
---> Click Search. The analysis starts.

At the end of the analysis, a message appears:
The review was completed normally. Click 'Show Results' to display all items found.

---> Click OK to continue. If MMFA found nothing, it will tell you.
---> Close your browser.
If malware were detected, click on show results.
---> Select All (or leave checked) and click Delete the selection, MMFA will destroy the files and registry keys infected and save a copy in quarantine.
---> MMFA will open Notepad and copy the analysis report. Copy and paste the report in your next reply.

[.:MUNDITO:.]

Spybot-Search & Destroy (Spybot-S&D) is a popular malware,
spyware and adware removal program, which is free.

http://www.safer-networking.org/en/download/index.html

Spybot also includes an "Immunize" feature to block the
installation of spyware before it occurs.
The Spybot TeaTimer module can be enabled to
provide a level of active, real-time protection
from undesirable registry changes. Spywares and virus cannot
install itself behind your back.