Your java is out of date please update it this is an easy way to get infected how is your computer running I do not see anything bad in your log,
Update your Java Runtime Environment
First try going to Start -> Control Panel -> double click Java
Select the Update Tab at the top of the Java console
Click the Check for Updates button at the bottom
If it finds the newer version (Java 6 Update 7) Follow the on screen instructions (uncheck the yahoo toolbar option)
After it installs the newest version Go back to Control Panel -> Add/remove programs (programs and features in vista)
Uninstall any older versions of Java
If for some reason you couldn't update through the above instructions.
Update your Java Runtime Environment
Click the following link
Java Runtime Environment 6 Update 7
The 5th option down is the one you want (click Download)
Check the box to agree to terms of service
Check the box for your operating system and click 'Download selected'at the bottom
After the install Go to Start-> Control Panel-> add/remove programs (Programs and features), and uninstall any old versions
Navigate to C:\programfiles\Java -> delete any subfolders except the jre1.6.0_07 folder
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TrendMicro™ HouseCall Java Scan
- Please go HERE to run the Trend Micro™ HouseCall Scan.
- Click Scan now. It's free!
- Read and put a Check next to Yes I accept the terms of use.
- Click the Launching HouseCall>> button.
- Under Using Java-based HouseCall kernel click the Starting HouseCall>> button.
- You may receive a Security Warning about the TrendMicro Java applet, click YES.
- Under Scan complete computer for malware, grayware, and vulnerabilities click the Next>> button.
- Please be patient while it installs, updates, and scans your system.
- Once the scan is complete, it will take you to the summary page.
- Under Cleanup options, choose clean all detected infections automatically.
- Click the Clean now>> button.
- If anything was found you may be prompted to run the scan again, you can just close the browser window.