TaxonomyofMobileMalware·Chapter5 113 Another interesting Trojan horse released in 2007 targeting Symbian-enabled phones was SymbOS.Stealwar.A. This Trojan did not use Bluetooth to distribute itself. Instead, it used Bluetooth to distribute other known MM to enabled mobile devices within range. The Trojan came as a SIS file that, once installed, placed the following MM on the device: SymbOS/Cabir.A SymbOS/Lasco.A SymbOS/CommWarrior.A SymbOS/Pbstealer.A Once these MM were installed on the mobile device, they would each start distributing and infecting other mobile devices via Bluetooth. This created heavy Bluetooth traffic on the device, which had the side effect of depleting the battery very quickly. Wired Communication Given the advantage of wireless communications in mobile devices, it is not surprising that few MM used wired technologies to distribute themselves. For infection, several novel MM have appeared, using wired communications, as explained earlier in this chapter, but for