Two Belarussian hackers were arrested last week. The arrests are related to a website called callservice.biz, which was in operation for several years.
According to the indictment, Dmitry Naskovets and Sergey Semashko were the persons behind this service. The server itself operated in Lithuania.
Callservice.biz provided an online form where you could order fake confirmation phone calls by people who spoke either English or German. Such confirmation calls are often used by banks to confirm large money transactions or changing details of an account. Online criminals need a way to make convincing calls like this, and this is where callservice.biz came into picture.
Translation of their details page: Please register for the service...then fill in the order form for the call...add the details...we will make the call within 24 hours...if the call is not succesful you get your money back...price per call in English: $10.
Here's a snippet from an online chat where criminals are discussing money transactions related to the service:
The site is down now. Visiting callservice.biz will produce this page:
More details in an article by Kim Zetter in Wired.