Avast WEBforum
Consumer Products => Avast Free Antivirus / Premium Security (legacy Pro Antivirus, Internet Security, Premier) => Topic started by: zfactor on March 06, 2011, 07:58:11 PM
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my mother in law got this avg fake antivirus and she was running 5.1 final and it removed it on the next reboot. then i updated her to version 6. a few days ago and today she accidentally clicked the same link she got it from last time (she forgot to remove it from her favorites) and it went right through and even doing a boot time scan found no traces of it. i used malwarebytes to remove it. so why did 5.1 remove it and 6 cant????
settings are set up the same as i had 5.1 so its not a general setting pup's are all set to on etc...it was updated to the newest defs as well.
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If you haven't already done so, avast needs samples:
Send the sample/s to avast as a Undetected Malware:
Open the chest and right click in the Chest and select Add, navigate to where you have the sample and add it to the chest (see image). Once in the chest, right click on the file and select 'Submit to virus lab...' complete the form and submit, the file will be uploaded during the next update.
Or
Send the sample to virus (at) avast (dot) com zipped and password protected with the password in email body, a link to this topic might help and false positive/undetected malware in the subject.
A link to the site that is also the host in the submission report might also help, so that it to can be analysed and hopefully added to the network shield malicious sites list.
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i will do that when i get there tomm. till then she just turned off the computer. but my point is avast version 5.1 detected this exact same fake av but with version 6 it didnt do anything?? i owuld have figured if version 5.1 found it then 6 would also...???
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That may well be a repackaged variant of the same fake malware, as they are constantly changing to try to keep ahead of the AVs trying to detect them.