The malicious code is known to be hosted on websites that advertise themselves as user-generated video services. Identified earlier last week, the Flashback.L Trojan is thought to have infected more than 6,00,000 OS X computers worldwide already by exploiting the Java runtime environment on the local machine. Bitdefender has announced a new virus scanning software that offers detection and removal for the latest e-threat affecting Mac OS X users. We had reported earlier how the Flashback trojan had infected 5,50,000 Macs worldwide but now we have some good news for Mac users.