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Flash installation .dmg: virus or legit?

New Here ,
Apr 20, 2014 Apr 20, 2014

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I'm on OSX on a Macbook Air.  For a few days now, .app installation files for Flash (which I already have installed) have been turning up unbidden on my desktop at a rate of a few every hour, until they litter the desktop.   I don't remember the update process being anything like this in the past, though I can't recall how it usually works.  Is there anything legit about this, or is it a virus?  I've tried to attach screenshots, but they seem to be too large.

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correct answers 1 Correct answer

LEGEND , Sep 29, 2018 Sep 29, 2018

Yes, be very worried. If you installed it, best practice is to wipe the disk and restore your data from a backup taken before the infection.

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LEGEND ,
Apr 20, 2014 Apr 20, 2014

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ruthjlee wrote:

I'm on OSX on a Macbook Air.  For a few days now, .app installation files for Flash (which I already have installed) have been turning up unbidden on my desktop at a rate of a few every hour, until they litter the desktop.   I don't remember the update process being anything like this in the past, though I can't recall how it usually works.  Is there anything legit about this, or is it a virus?  I've tried to attach screenshots, but they seem to be too large.

There is no such thing as a virus for OS X. I absolutely DO NOT CARE what anyone else says, or who they are. There is no such thing.

The DMG for Flash will only "show up" on your desktop if you download it. That can happen when you click on a link disguised as a video, or an image, but Adobe doesn't download them automatically. If your Flash Player is up to date, you can delete any DMG that does download. You don't need it.

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New Here ,
Apr 20, 2014 Apr 20, 2014

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Thanks Mike.  So, how might I prevent them from continuing to appear?

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LEGEND ,
Apr 20, 2014 Apr 20, 2014

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Be careful what you click... especially on sites you don't trust?

It's hard to say without knowing the source of the downloads.  Safari will show you when something is downloading.

1.jpg

There are literally thousands of fake Flash Player download sites.  Most disguised as video pages. Vigilance is your best protection.

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New Here ,
Apr 20, 2014 Apr 20, 2014

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I don't recall visiting any sites that I thought were suspect.  Does anyone have any advice on how to proceed from here?

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New Here ,
Apr 22, 2014 Apr 22, 2014

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It would be very useful if someone from Adobe could confirm whether this is, or is not, the normally way for updates to be distributed. I still have a desktop covered in .dmg files. 

If this is legit, it's still very annoying.

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LEGEND ,
Apr 22, 2014 Apr 22, 2014

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Adobe does not, and never has, automatically downloaded installation files, for any product. It is and always has been a "user initiated" process. That's for Reader, Flash Player, Shockwave, AIR, and ANY paid software, such as Creative Suites.

ANY legitimate Adobe download will only be started by a notification appearing that the download is available, and then you must click a link to either begin the download, or go to the page containing the download, and click a link there.

The only possible exception to this rule (and even this is a long shot) is certain Windows updaters that will download McAfee Security Scan along with the requested update, and there's no opt out... BUT

1. The end user had to initiate the download that contained the unwanted add-in

2. It wouldn't affect you because you have a Mac, and your updater links to a different page.

First, trash ALL of the Flash Player DMGs on your desktop.

Then, go to Mac HD/Library/Internet Plug-ins.

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Trash the Flash Player,pliugin and flashplayer.xpt files from there.

Go to: Mac HD/Library/Application Support/Adobe.

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Trash the Flash Player and Flash Player Install Manager folders (the entire folders)

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Also, in the Mac HD/Library/Application Support, trash the Macromedia folder (the entire folder)

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In Mac HD/Library/PreferencePanes, trash the Flash Player.prefPane

Empty the trash

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That, will remove anything and everything that is Flash Player, or controls any downloading of files related to Flash Player.

Open Safari, and browse sites as you normally would.

The first time you see ANY download activity

1.jpg

IF it's another Flash Player DMG, note what address you were on when it appeared. Post that address back here.

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New Here ,
Apr 22, 2014 Apr 22, 2014

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Many thanks, Mike,  I appreciate it - I will try all this.

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New Here ,
Sep 29, 2018 Sep 29, 2018

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I downloaded it and got to worrying. So I started checking and found this thread. Here is the site I got it from.  https://www.frequencysmart.com/FTVUzRKilV6RA?imp_id=ca0b80e6-90e1-4bee-b8da-c3513ec88b07&source=Safa...

What is the danger to having it?

Thanks,

Bill

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LEGEND ,
Sep 29, 2018 Sep 29, 2018

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Yes, be very worried. If you installed it, best practice is to wipe the disk and restore your data from a backup taken before the infection.

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New Here ,
Jul 25, 2019 Jul 25, 2019

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LATEST

www.blackwhite.com

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New Here ,
Apr 11, 2018 Apr 11, 2018

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Mike why be careful of what you click if there's no such thing as a Virus for OSX?

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