Posts Tagged ‘digital signature’

High profile site scares users

Apr

2013

We come across a plenty of malware reports every day. Sometimes we have to deal with some special cases, where a respected vendor is involved. This time it was the Dell driver download site. Download siteThe “Download file” link leads to this unexpected screen (our user complained about a false positive): What a surprise?!Well, being […]

Category General Written by Avast! blog 0 Comments

How Attackers Steal Private Keys from Digital Certificates

Feb

2013

Regular readers of the Symantec blog may sometimes read blogs that mention a fraudulent file that is signed with a valid digital certificate or that an attacker signed their malware with a stolen digital certificate.You may recall that the creators of Stuxnet, arguably the most notorious malware in history, signed it using the private keys […]

Category General Written by Symantec Security Response Blog 0 Comments

Facebook application endangers security

Feb

2013

Russian anti-virus company Doctor Web is warning users that malware is being spread in large numbers by means of a Facebook application that enables criminals to embed arbitrary HTML code in the site’s web pages. To spread Trojans, criminals have created bogus thematic groups in which links that appear to lead to video clips actually […]

Category General Written by Virus alerts 0 Comments

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Posts Tagged ‘digital signature’

High profile site scares users

How Attackers Steal Private Keys from Digital Certificates

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