10 Dec Microsoft Updates December 2013 - Patching Critical 0day Exploited in the Wild Kurt Baumgartner
05 Dec Corporate threats in 2013 - the expert opinion GReAT
04 Dec Putting malware in the picture Tatyana Shcherbakova
04 Dec ZeuS – now packed as an antivirus update Andrey Kostin
03 Dec Top security stories of 2013 - the expert opinion GReAT
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Malware has evolved a step further. AdWare has been compared to Trojan code for quite some time, but now we're seeing AdWare behaving like a file infector. This is something new.
A variant of the infamous CoolWebSearch family is infecting legitimate files in a way that when the infected file gets run, the AdWare file gets loaded too.
This means that you need to disinfect the legitimate file. If you delete the AdWare, but don't cure the file infection, this will cause problems.
It will be interesting to see how most Anti-Spyware programs will cope with this issue, as their engines aren't designed to disinfect executable files.