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Avira Malware File-Extension Statistics

29 Gen/10

Malware is a generic term for trojans, viruses, worms, keyloggers, rootkits and other malicious code. The Avira blog has posted an interesting statistic about the malware that gets distributed by urls either in emails, on websites or other ways. Most computer users probably associated file types like exe as dangerous when they encounter them on websites or in emails and might be surprised that those files only make up 53% of the file extensions used.

Followed by no file type at all (e.g. pointing the user to a root url or directory) with 18.99%, the txt file extension with 10.37% and php with 6.56%.

This requires some explanation. Most users would probably agree that text files are harmless. This is not always the case especially when it comes to links as links can be redirected easily. But attackers can also rename an executable to txt and use malicious code on a website to run the file.

The statistics basically points out that while the standard file (exe) associated with a computer virus is making up more than 50% of all attacks it is of equal importance to understand that harmless looking files and links can be malicious as well.

The safest bet is still to avoid clicking on links or attachments in emails. A sandboxed environment or a virtual PC are two secure alternatives if the link needs to be clicked on. (via Avira Blog)

Continua a leggere – Original Link: Avira Malware File-Extension Statistics

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