hi. i'm pretty new posting here, longtime reader of boards. i've been using os x 7 years, had happen today i've never seen before.
saving article forbes' website pdf, , when went click "save" noticed location saving file to, instead of usual "documents," "desktop," or "downloads," called "n9bz7n0o.default", have never seen or heard of. changed destination desktop instead, , saved article. few minutes later, went try find "n9bz..." location figure out was, couldn't. spotlight search reveals nothing name on computer. should concerned trojan or malware or something?
i've got firewall , little snitch running, , never have used pirated software. download software macupdate or appstore.
in advance advice!
not unless installed something. don't need 3rd party antivirus app keep mac malware-free. macs not immune malware, no true viruses exist in wild can run on mac os x, , there never have been since released on 10 years ago. cannot infect mac visiting website, unzipping file, opening email attachment or joining network. malware in wild can affect mac os x handful of trojans, cannot infect mac unless actively install them, , can avoided basic education, common sense , care in software install. also, mac os x snow leopard , lion have anti-malware protection built in, further reducing need 3rd party antivirus apps.
that's need keep mac free of virus, trojan, spyware, keylogger, or other malware. don't need 3rd party software keep mac secure.
- make sure built-in mac firewall enabled in system preferences > security > firewall
- uncheck "open "safe" files after downloading" in safari > preferences > general
- uncheck "enable java" in safari > preferences > security. leave unchecked until visit trusted site requires java, re-enable visit site. (this not confused javascript, should leave enabled.)
- check dns settings reading this.
- be careful install software trusted, reputable sites. never install pirated software. if you're not sure app, ask in forum before installing.
- never let else have physical access install on mac.
- always keep mac , application software updated. use software update mac software. other software, it's safer updates developer's site or menu item "check updates", rather installing notification window pops while you're surfing web.
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