Avast detect in my site virus not vírus?

Avast Free Antivirus / Premium Security
1

I created my site
Hosting 9k
Detect vírus
In my arquive html not cod vírus never
What o AVAST my site detected vírus?
(Site: wxw.tectonny.9k.com)

2

hXXp://www. tectonny.9k.com/
makes three requests to a site engaged in malware distribution cdn. optmd.com

http://wepawet.cs.ucsb.edu/view.php?hash=a2cf8d42602eb3233bcfb035d14321b3&t=1347180029&type=js

http://hosts-file.net/default.asp?s=cdn.optmd.com

hXXp://cdn. optmd.com/casaleFlash.js 200 application/x-javascript
hXXp://cdn. optmd.com/V2/67072/130794/index.html?g=Af////8=&r=www. tectonny.9k.com/ 200 text/html
hXXp://cdn. optmd.com/V2/67072/130794/pss09_500x300_0308.swf?clickTAG=hXXp%3A%2F%2Fc. casalemedia.com%2Fc%2F1%2F1%2F67072%2FaHR0cDovL3d3dy5wb3B1bGFyc2NyZWVuc2F2ZXJzLmNvbS9kbC9pbmRleC5qaHRtbD9wYXJ0bmVyPVpSeGRtNDI5 200 application/x-shockwave-flash

3

html scan 6/42
https://www.virustotal.com/file/693653f2efcc9c427459a9182acd0bf85de22cc012f199e0bb2838aa71e81f19/analysis/1347181738/

sucuri
http://sitecheck.sucuri.net/results/www.tectonny.9k.com/

unmaskparasites
http://www.UnmaskParasites.com/security-report/?page=tectonny.9k.com

URLVoid reputation check - Detected by WOT and see domain at bottom
http://www.urlvoid.com/scan/tectonny.9k.com/

sucuricata filter
http://urlquery.net/report.php?id=168846

ET WEB_CLIENT Hex Obfuscation of substr % Encoding ET WEB_CLIENT Hex Obfuscation of unescape % Encoding ET WEB_CLIENT Hex Obfuscation of Script Tag % Encoding ET WEB_CLIENT Hex Obfuscation of document.write % Encoding ET WEB_CLIENT Hex Obfuscation of charCodeAt % Encoding ET WEB_CLIENT Hex Obfuscation of String.fromCharCode % Encoding