On the Skype forums, some users
report that they received an automatic call with a message about infecting the computer and calling to go to a specific site (
sosgt.com ) and install a system update for Windows. Here is a
partial recording of the conversation .
As soon as you enter the specified address, a window appears immediately with a fictional list of viruses on your computer.

Naturally, users of other operating systems (Mac) see a similar window with the words “Windows has been infected”.
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The goal is to intimidate the user and force him to subscribe to an online anti-virus service worth $ 19.95.

Payments are accepted through the
SWReg platform, which serves many legitimate software vendors.