4 Replies Latest reply: Apr 15, 2012 2:26 AM by Klaus1
FunBoo Level 1 Level 1

ok so that program you gave me the other night..i checked it again today and it asked the thing keep or delete and like i started to press delete buttons and give my password to do so each time...


it went to trash....i put back the stuff and deleted the program cause apple software update fixed the problem...


oddly enough it found the trojan even the unauthorised version the other night said it did...


so did i lose programs..

iMac (21.5-inch Mid 2011), iOS 5.1
  • BDAqua Level 10 Level 10

    unknown, but...


    ClamXAV, free Virus scanner...



    Free Sophos...




    Or Intego VirusBarrierX...



    Little Snitch, stops/alerts outgoing stuff...



    Disable Java in your Browser settings, not JavaScript.


    Flashback - Detect and remove the uprising Mac OS X Trojan...




    In order to avoid detection, the installer will first look for the presence of some antivirus tools and other utilities that might be present on a power user's system, which according to F-Secure include the following:


    /Library/Little Snitch


    /Applications/VirusBarrier X6.app





    /Applications/Packet Peeper.app


    If these tools are found, then the malware deletes itself in an attempt to prevent detection by those who have the means and capability to do so. Many malware programs use this behavior, as was seen in others such as the Tsunami malware bot.


    http://reviews.cnet.com/8301-13727_7-57410096-263/how-to-remove-the-flashback-ma lware-from-os-x/



  • FunBoo Level 1 Level 1

    if the stuff the program sent to traqsh...i did the put back thingy..


    does it get sort of corrupted cause it was in the trash...


    or is everything back...

  • BDAqua Level 10 Level 10

    Tough to tell, try reinstalling those Apps if they fail.

  • Klaus1 Level 8 Level 8

    The ‘Flashback Trojan’:

    A version of an existing Trojan Horse posing as a legitimate Flash Player installer (named “Flashback.A” by a security firm) is designed to disable updates to the default Mac OS X anti-malware protection system, potentially leaving the system open to the manual installation of other malware without any system warnings. The most recent versions bypass any user action and automatically installs itself after an affected website is visited.


    http://www.appleinsider.com/articles/11/10/19/fake_adobe_flash_malware_seeks_to_ disable_mac_os_x_anti_malware_protection.html


    (Adobe is aware of malware posing as its Flash Player and warns users to ignore any updates that didn't originate on its own servers. "Do not download Flash Player from a site other than adobe.com," said David Lenoe, Adobe's product security program manager, in an entry on Adobe Product Security Incident Response Team's PSIRT blog. "This goes for any piece of software (Reader, Windows Media Player, QuickTime, etc). If you get a notice to update, it's not a bad idea to go directly to the site of the software vendor and download the update directly from the source. If the download is from an unfamiliar URL or an IP address, you should be suspicious.")


    Flashback Trojan - Prevention of infection:

    In order to prevent a potential infection with “Flashback” Trojans, Mac users should always obtain their copy of Adobe Flash Player directly from Adobe’s official website and to disable the "Open 'safe' files after downloading" option in Safari Preferences/General to avoid automatically running files downloaded from the Internet. Also, do not turn on Java in Safari Preferences/Security. Few websites use Java. Javascript is something entirely different and should be left active.


    The Flashback Trojan does not affect PPC (non-Intel) Macs, nor has it been noted to affect users running Tiger OS 10.4.11 or Leopard OS 10.5.8.


    Last, but by no means least, using Open DNS is the simplest way of preventing infection in the first place. Open DNS also protects against phishing attacks, re-directs, speeds up your internet connection, and works for all users of OS X from Tiger upwards:


    http://blog.opendns.com/2012/04/09/worried-about-mac-malware-just-set-up-opendns /


    How to get it:




    Flashback Trojan - Detection and Removal

    Users with Intel Macs running Snow Leopard OS 10.6 or Lion OS 10.7 should ensure that they have downloaded all the recent Java updates from Apple, which are designed to prevent infection and also remove any infection already present.

    New Macs running Lion do not have either Flash Player nor Java installed. If you running Lion and have not already downloaded and installed Java, you should download the ‘Flashback malware removal tool’ from Apple:  http://support.apple.com/kb/HT5246  (356KB) which includes the same code as the Java update that plugged a security hole which allowed the malware to automatically install itself without admin authorization.


    You can also use this to check whether you have been infected (for Intel Macs only) and remove it if required:





    Flashback Trojan - Detection, and how to remove (with caution) if you are running other browsers than Safari: