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1. Doubtful Sophos Antivirus would wreck your Mac. Something would have to go seriously wrong with the program. If you get hit with some nasty malware designed for a Mac then the wrecking starts.
2. Built-in AV? Not really what many would call AV. Think they are referring to this:
http://www.macworld.com/article/1142457/snowleopard_malware.html
3. Mal/EncPk-MP and TrojAgent-ADLD are both detections for Windows malware - hence these files cannot harm (or even run) on you Mac running OS X.
Delete the files as they are malicious, however you'd need to run them on a Windows operating system to cause a problem.
To delete them either clean up the files from the quarantine manager or locate the files and delete manually (then clear the files from the quarantine manager so they are not longer listed).
1. Doubtful Sophos Antivirus would wreck your Mac. Something would have to go seriously wrong with the program. If you get hit with some nasty malware designed for a Mac then the wrecking starts.
2. Built-in AV? Not really what many would call AV. Think they are referring to this:
http://www.macworld.com/article/1142457/snowleopard_malware.html
3. Mal/EncPk-MP and TrojAgent-ADLD are both detections for Windows malware - hence these files cannot harm (or even run) on you Mac running OS X.
Delete the files as they are malicious, however you'd need to run them on a Windows operating system to cause a problem.
To delete them either clean up the files from the quarantine manager or locate the files and delete manually (then clear the files from the quarantine manager so they are not longer listed).