US and UK Zombies Demand Top Dollar

coondoggie writes "Denizens of the malware underworld who sell access to compromised computers do so at varying rates depending on where the machines are located, researchers told the Usenix Security Symposium this week. The researchers followed what they called the pay-per-install (PPI) industry, which obtains infected machines from which malware can be launched and sells access to these machines to parties looking for someplace to execute malicious code. Sometimes the PPI sellers hire middlemen to supply the compromised machines, and the PPI dealer retails them."