[mantrax4]

Well, don't worry, malware writers will generate enough bitcoins to sustain the system.

The cost of mining to them is practically zero.

[ericb]

While I'm not sure if you're joking about mining as theft, if you're not, what you're saying makes perfect sense. Non ASIC based cryptocurrencies provide one of the greatest botnet monetization schemes I can imagine. Low-risk, hard to trace.