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Author Topic: Non Amiga Q - Mac Virus ?  (Read 4476 times)

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Offline TheMudTopic starter

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Re: Non Amiga Q - Mac Virus ?
« Reply #14 from previous page: December 17, 2007, 04:00:35 PM »
Hi All !!

I know this was not a Amiga Q, but it seems like this forum here, is the best to solve any kind of problem. Had the computer scanned, and it had 0 virus's .. Eventhough it's been on for 4 years !

Found some dumb startup programs that was running all the time. They are now gone, and the computer is again very fast :-)

THX !!!
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Offline TheMudTopic starter

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Re: Non Amiga Q - Mac Virus ?
« Reply #15 on: December 17, 2007, 04:06:15 PM »
This is the Output.:

Seems Firefox is bad to my System :-S ... Sometimes over 90% :-O
.....

Processes:  60 total, 2 running, 58 sleeping... 204 threads            17:04:40
Load Avg:  2.27, 2.52, 1.97     CPU usage:  71.5% user, 9.9% sys, 18.5% idle
SharedLibs: num =  157, resident = 41.0M code, 4.65M data, 8.92M LinkEdit
MemRegions: num =  6576, resident =  166M + 12.1M private, 96.0M shared
PhysMem:  62.2M wired,  130M active,  289M inactive,  482M used, 29.1M free
VM: 4.02G +  125M   27905(0) pageins, 0(0) pageouts

  PID COMMAND      %CPU   TIME   #TH #PRTS #MREGS RPRVT  RSHRD  RSIZE  VSIZE
  246 top          7.9%  0:06.28   1    18    22   452K   424K  2.29M  27.0M
  245 bash               0.0%  0:00.02   1    14    16   176K   872K  1.29M  27.2M
  244 login               0.0%  0:00.03   1    16    37   148K   440K  1.65M  26.9M
  242 Terminal         0.6%  0:02.06   5    97   135  1.88M  9.78M  17.8M   111M
  228 Safari               0.0%  1:12.84   7   134   409  48.0M  26.2M  65.9M   198M
  224 Mail                  0.0%  0:16.03   7   162   267  10.3M  14.6M  19.9M   129M
  222 automount       0.0%  0:00.10   3    40    30   308K   964K  1.04M  28.7M
  218 firefox-bi     74.6%  9:49.92   8   100   307  30.2M  30.5M  47.3M   181M
  217 automount      0.0%  0:00.11   3    42    34   308K  1000K  1.08M  29.0M
  214 rpc.lockd         0.0%  0:00.00   1    10    18   108K   408K   192K  26.7M
  205 nfsiod              0.0%  0:00.00   5    30    24   128K   352K   180K  28.6M
  191 ntpd                 0.0%  0:00.13   1    11    19   164K   556K   368K  26.9M
  188 lookupd           0.0%  0:00.88   3    36    41   540K  1.02M  1.28M  29.0M
  187 SymSeconda   0.0%  0:00.12   2    56    93   720K  4.51M  2.11M  92.5M
  186 SymUIAgent    0.0%  0:00.43   4    68   149  1.37M  8.31M  4.56M   106M
  185 SymQuickMe   0.0%  0:00.58   4    75   158  1.80M  10.5M  5.80M   111M
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Offline da9000

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Re: Non Amiga Q - Mac Virus ?
« Reply #16 on: December 18, 2007, 06:12:39 AM »
@TheMud:

Firefox is not really the problem when you're getting 90% CPU usage (it could be in certain cases), but what really is the problem (usually) is the myriad of Adobe Flash applications/plugins running inside multiple tabs.

I recommend FlashBlock (Firefox plugin) which stops Flash from playing until you click the little play button. Very handy and a great speed up.

There's one other occasion (other than severe bugs) that would cause a browser in general to exhibit high CPU usage, and that is a rogue Javascript. Not a cause as often as Flash though.

All this holds true for other platforms like Linux and Windows.

As for anti-virus software, if you're scanning in Windows, I've used ClamAV before, but it didn't catch some of the baddies that www.freeav.com did, so I had to remove it. YMMV.

Lastly, if you discover the cause, it's good practice to share that info, because you will help the community you has helped you. So what were the 'rogue' startup processes/programs?


@Floid:
You're correct about ditto, and usually when it doesn't die is when there's a problem with umounting an image. So perhaps if an image is mounted (yet might not be visible on Finder) and it's trying to do stuff to it, it can cause these problems.



Quote

Skurk wrote:

Audun wrote:
all I can say is: "ew, mac"


That statement alone says "I don't know squat about computers" to me.


DITTO.

I mean, I understand some users are machosists and love the pain inflicted on them from Windows and Microsoft, but come on, you just got to rain on someone's parade just because you realize that someone's made a better choice and just having a tad bit of difficulty (something you should be happy, from your tone, you're experiencing every single day for 20 years now - if you've been a faithful since the 3.x days...) and unhappy with your self defacing choices?

 

Offline persia

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Re: Non Amiga Q - Mac Virus ?
« Reply #17 on: December 18, 2007, 03:05:01 PM »
In the end, as Bob Dylan said, "you have to serve somebody."  In the real world, where work gets done, it's really a choice between OS X and Windows, you can't put a Amiga in an office and, quite frankly there are only limited situations where a Linux box would suffice.  

We use photoshop, Quark, Flash, Dreamweaver, the Microsoft suite and a significant number of other programs that only work in OS X and MSWindows.  The Gimp, as fine a programme as it might be, is no Photoshop and Open office is still not really ready for prime time.  

So we fight the battles we can win.  I managed to convince my boss to go with an Intel Xserve and 3.5 TB raid in-spite of the fact that we could have gotten the equivalent much cheaper with generic parts.  I count that as a victory of sorts but it just replaces an old PPC XServe and third part RAID, so the net number of Macs in my control remains the same - 3 Xserves, one PPC Mac handing email, two Gentoo Linux boxes and an SWindows 2003 raid box...
[SIGPIC][/SIGPIC]

What we\'re witnessing is the sad, lonely crowing of that last, doomed cock.
 

Offline Floid

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Re: Non Amiga Q - Mac Virus ?
« Reply #18 on: December 19, 2007, 06:59:44 PM »
As The Inquirer reminds me today, there have been some keyboard driver quirks that would also explain the particular responsiveness issue here.

Plugins are generally the culprit with Firefox, but as well as Flash you have Java and the media players to worry about.  Be sure to apply the latest Java and Quicktime patches in Software Update as apparently they patch some remote code execution holes that were known for quite a while (and which the malicious side of the world was just reminded of).

Quicktime on Windows has the same hole, apparently, so go update that too.

...

Javascript/ECMAscript can also bog down the 'fox, particularly poorly written stuff for interstitial ads and things that may be attempting to pull off cross-site scripting-type attacks.

I'm finding the Tab Permissions extension handy compared to toggling scripting on and off entirely (or using the various scripting whitelist/blacklist extensions).  You'll have to drag the controls where you want them via the 'Customize Toolbar' context menu -- putting the current-tab controls on the left side of the bookmarks bar works well, and the new-tab controls on the right side, with the 'New Tab' control moved next to them to remind you which is which -- but then if you know you're visiting a problem site, you can either crack open a new tab with restricted permissions (no redirects, etc) or disable scripting for the current one and refresh, without impacting any other tabs open.

Note that when the icons display an 'x', scripting/redirecting/??? is blocked, and when they don't, it's on.  They're easily misinterpreted to mean the opposite ("Click here to ..." vs. displaying the current status), one of those problems with hieroglyphs.
 

Offline Floid

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Re: Non Amiga Q - Mac Virus ?
« Reply #19 on: December 19, 2007, 07:08:09 PM »
Quote

persia wrote:
[...] Open office is still not really ready for prime time. [...]


Okay, I've got to contest that -- since we're using it daily here (and the old version packaged for the last Ubuntu LTS, no less) it's only as annoying and awkward as the competition, not particularly worse.  The need to actively be-aware-of and control your document layout with [paragraph, page, ...] styles is a big adjustment for users to make... but Word's document model is similar, which is why people have so many headaches with Word.

I noticed OO.o's Windows version doesn't seem to let you dock the Styles as a toolbar/pane (and remember StarOffice for OS/2 didn't back in the day, either), which is pretty much requisite to work with it comfortably if you don't have 24" of display and don't like stuff floating on top of your work.  So perhaps *NIX is a prerequisite for finding it bearable.
 

Offline Trev

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Re: Non Amiga Q - Mac Virus ?
« Reply #20 on: December 19, 2007, 07:30:07 PM »
@Gaiyan

No viruses? No offense, but that's a little naive. Malicious software takes many forms. It probably wouldn't be too difficult to talk a typical Mac user into running a shell script containing 'rm -rf /' as a privileged user.

A well-informed user rarely encounters viruses, but not because their virus scanner is less than perfect. Rather, they don't run questionable software in the first place. And before anyone starts, I think we can skip the "Windows is questionable" jokes. ;-)

Trev
 

Offline da9000

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Re: Non Amiga Q - Mac Virus ?
« Reply #21 on: December 21, 2007, 02:34:39 AM »
Quote

Trev wrote:
No viruses? No offense, but that's a little naive. Malicious software takes many forms. It probably wouldn't be too

Indeed.

Quote

Trev wrote:
difficult to talk a typical Mac user into running a shell script containing 'rm -rf /' as a privileged user.


Hey, that's not a virus! That's good social engineering :-D

Quote

Trev wrote:
 before anyone starts, I think we can skip the "Windows is questionable" jokes. ;-)


I wasn't going to say questionable, I was going to say "Windows is a virus"! :-D

OK, enough joking around. Because I *hate* that many people still believe that their favorite platform can't have a virus, the bare truth has to be re-enforced into their skulls, over and over and over again. Here it is:

EVERY platform can be affected by a virus.

Even Mac OS X which I love very much, and even Amiga OS which I love very much for very long time now. Heck, you give me a wrist-watch with a CPU and memory and a vulnerability and there'll be a virus on it very soon. The point is to be aware/educated and not be naive. Keep up with the general security news and trends (no need to be paranoid), and be careful what you download and run and from who/where, and of course keep backups. That'll suffice for everyone.

So a synopsis for all fan-boys:

Amiga OS *IS* vulnerable to viruses.

Mac OS X *IS* vulnerable to viruses.

Linux *IS* vulnerable to viruses.

Windows *IS* especially vulnerable due ot the sheer number (but not alone) of viruses on the platform.

Your BODY is also vulnerable, so go get some Vitamin-C to strengthen your immune system :-)