:)hello to all …
I am Brazilian and I am using google translator …
I see a small problem with avast 5, where many viruses use different variations each time it is downloaded (eg changes size, name and avast can not catch these variations, only when he reaches the url …)
following example of a suspected link with variant virus each time you make a download and here in Brazil has a lot of this (discovered this weakness) …
(http://dobner.com.br/images/amigos.html #? / index.html? msgids 460,597 = & email = & friendships rodrigosoad2005@hotmail.com = 839488)
every time the file downloaded and comes with a small change …
Can you upload the file to VirusTotal www.virustotal.com and when you have the result copy the URL in the addressbar and post it here
ok…ok … but my goal is to show that every time someone downloads the virus it comes with a small name and different elements in which the avast detect the first (after update) but not to realize that the virus changed the name and the record after another in the same download link … thanks
Hi deirpaixao,
That is a way for advanced viruses to go under the detection radar, they create a unique ID all the time, also self modification on each infection is a known technique to evade detection. This virus is known as self-modification virus. There are various ways to achive this with code: http://en.wikipedia.org/wiki/Self-modifying_code. This process can also be used for good purposes, as all things have a darker and a lighter side to it: http://www.acm.org/src/Joy/joy.htm
polonus
thanks…
entao vamos bloquear os links…