[wp-hackers] Advice on possible malware affecting multiple sites on same server

[A5D]

Possibly try running Regenerate Thumbnails:
http://wordpress.org/plugins/regenerate-thumbnails/

Lee


On 26 Jul 2013, at 14:48, Nikola Nikolov wrote:

> Can you check if the other sizes are actually created on the server? Go to
> the uploads( /wp-content/uploads/mm/yyyy ) directory and see if you get
> multiple files with similar names for each upload that you make. It's
> possible that the other sizes are simply not created(I'm not sure what
> would cause that but I assume it could be some server configuration issue).
> 
> That's the first thing I can think of.
> 
> 
> On Fri, Jul 26, 2013 at 4:26 PM, Patty Ayers <patty at ayersvirtual.com> wrote:
> 
>> If this isn't appropriate for this list, I apologize, but I'm not sure
>> where to turn and I know there are experts here. Any advice will be much
>> appreciated.
>> 
>> I have a shared server with about 20 WordPress sites. Yesterday, on one
>> site, an issue appeared in the Media Uploader: the selection of sized
>> images is created, but does not show up as available for inserting. Only
>> the largest size shows up.
>> 
>> I troubleshot that site's issue, but then gradually discovered that the
>> exact same issue is appearing on every one of my WordPress sites.
>> 
>> I have tried de-activating all plugins and reverting to the default theme,
>> and the issue persists. The sites don't have anything in common except for
>> WordPress itself and being on the same shared server.
>> 
>> What is the best way to proceed in this situation? Thanks very much in
>> advance for any help.
>> 
>> Best,
>> 
>> Patty
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