Maybe it's a sign of the Bitcoin bubble. Criminals are trying to take control of PCs and turn them into Bitcoin miners.
According to antivirus seller Kaspersky Lab, there's a new Trojan -- spotted on 4 April and spreading via Skype -- that takes control of infected machines and forces them to do what is known as Bitcoin mining, a way of earning digital currency.
The Bitcoin digital currency system rewards miners (in bitcoins, natch) for their number-crunching work, which is essential to keeping the anonymous Bitcoin currency system working. With the Trojan, hackers are forcing others' machines to earn them money, and it can really put a strain on these machines. Victims might notice that their CPU usage shoots sky high.
By: Robert McMillan, Edited by: Kadhim Shubber
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via Wired.co.uk
http://www.wired.co.uk/news/archive/2013-04/8/bitcoin-trojan
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