Win32:Delf-MZG [Trj] - False Positive from Avast!

Win32:Delf-MZG false positive was fixed in the latest VPS - 091203-1.It is recommended to update Avast! now.

 If you are using Avast!,you will probably receive a number of detections from Avast! telling you that there is a malware(Win32:Delf-MZG [Trj]).This problem was encountered today,a couple of hours ago.

This is encountered in programs such as
  • Skype,
  • Spybot,
  • SpyBot Search and Destroy,
  • Spysweeper,
  • Mamutu,
  • SpywareDoctor,
  • MailWasher Pro,
  • Wordweb,
  • KMPlayer,
  • EditPad Lite and many other programs.
Apparently this is a false positive,and it is recommended that you do not take any action.It seems there was a bug in the recent update of Avast!

If you had run a full scan or deleted anything,
  • Stop Schedule Boot Scan.Some users have also complained that Windows is not stable after the boot scan.
  • Do not restart your computer as it might try to delete some files which it couldn't delete instantly.
If you had deleted any file after the warning,it is recommended that you reinstall the application.

Currently,the Avast! support forum is over flowing with this issue.No need to panic.It is highly recommended not to run Avast! till this issue is resolved.This issue has now been fixed in the latest update.


  1. I initiated a boot scan and accidentally pressed the "Delete all" option instead of moving the files to the chest. Is there any way of knowing what got deleted? It eventually came across something in the Windows folder and queried me about whether I really wanted to delete it, allowing me to exit the scan. But I know it deleted a number of files that started with System Information something-or-over backslash underscore restore. It also deleted my Copernic, which is where it initially "found" the "virus", and it still won't let me reinstall that.
    I PAID for the "professional" version of this program. Grrr.

  2. @Anonymous,

    You can view by right clicking the "a" button and going to Avast! Log Viewer.

  3. mr.. i am not using Avast!, how ???

  4. @Surya,
    Right click the avast! button('a') and go to Updating to update.

    If you are using any other anti virus,there is no need to worry.


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