Endpoint Protection

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Brazil in the Firing Line 

Jan 11, 2007 03:00 AM

We regularly see Brazilian Bancos samples that try to steal the credentials of Brazilian bank users. These are generally delivered via spam or drive-by downloads. However, recently a different form of threat was spotted that specifically targets Brazilian users.

W32.Selfish is a file infector that checks what your default language pack is and only proceeds to execute its payload if you are using the Brazilian Portuguese Language pack. If you are using a different language pack, W32.Selfish will simply execute the infected host file and exit.

When W32.Selfish is executed on a Brazilian machine, it tries to download a file from the internet and execute it. At the time of writing, this file is not accessible, so it is uncertain whether it will download a Brazilian bank password stealer. However, the emergence of this threat does show that Brazil is being specifically targeted by online criminals. Not only does this show that criminals are targeting Brazil, but it confirms what has been seen over the past year; namely, that attacks are now becoming more targeted.

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