Hoax.HTML.OdKlas or OdKlas is a hoax with HTML extension.
OdKlas imitates an anonymizer service allowing the user to get access to blocked "Odnoklassniki.ru"/"OK.ru" site. It is an HTML document. It is 3367 bytes in size.
When the user opens the fraudulent resource in the browser, this HTML document opens in a frame on the main page. The domain names of such fraudulent resources nearly match the "Odnoklassniki.ru" site or have very similar names, for example:
Once the page is opened, the user is asked to use the anonymizer service to get access to the "Odnoklassniki.ru" site.
The user is then asked to send 2 SMS messages to one of the premium rate numbers:
3***47 1***61 1***71
with the text