So there’s definitely nothing to lose and everything to gain by erasing them. They are several megabytes in size due to null padding. Normally the infected media files are blank (no music, no video) but they are distributed posing as music from Lady Gaga, ABBA, Madonna, etc. As The Register describes, Mal/ASDFDldr-A is how Sophos detects malicious files that use the scripting capability of Microsoft Media Player to force your web browser to visit an infected site instead of playing the video you were hoping for. There are some interesting entries in there.įirstly, we should deal with the one that’s top of the list. The above top 20 chart shows the percentage of malware reports by users of our Mac product. What we’ve also been trying to determine, is a list of the most commonly encountered malware that these Mac users are seeing: It’s also made the list of top products downloaded on the Apple site, and is listed as the most popular download in their Networking & Security section.

At its peak we were seeing one download almost every second (to be precise, 3032 an hour at the craziest point!).

Sophos Anti-Virus for Mac Home Edition was launched on November 2nd, and proved instantly popular. We currently have a stonking 150,000 active users of our free Mac anti-virus product, downloading updates from our servers.