Sophos' researcher Vanja Svajcer followed links lately disseminated through Twitter, and landed on a number of .ru domains pointed to the same IP address hosted in Ukraine.
"Depending on the URL you click on and URL parameters, you might be prompted (in Russian) to install fake updates for a variety of products including the Opera browser and Skype," Graham Cluley reports. "Or you might be presented with a page which prompts you to run a security scan on your phone."
The scans are, of course, bogus, and the apps offered after them are as well.
They appear to be antivirus applications - and sometimes they even present icons stolen from legitimate security firms such as Kaspersky Lab - but most of the time are actually premium rate Trojans.
Also, if one is very unlucky, the downloaded Trojans also have the ability to download further malware onto the device.