These are quick first looks and trend and threats


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Written by the security and AV professionals from team K7, meant for the general audience
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These are usually articles that go into internals of a virus or deal with security issues
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Archive for the ‘Cryptolocker’ Category

K7 Computing’s Security Alpha Geeks Introduce Generic Anti-Ransomware Prototype at VB Conference 2015

Friday, October 9th, 2015

So last week, Samir Mody and Gregory Panakkal, security experts from K7 Computing, showcased a generic anti-ransomware framework at this year’s Virus Bulletin International Conference. It garnered quite an excited bunch of fellow security enthusiasts at Prague, Czech Republic, where the conference was held, to listen to the duo talk about this prototype.

This presentation addressed majorly on file encrypting ransomware variants. A demo followed to display the capability of this generic anti-ransomware prototype in defending ransomware through samples obtained from valid sources.

K7 Computing is extremely proud of the team behind the idea to develop a simple solution to thwart complex ransomware menace. This generic framework is on the process of being incorporated into our products, and we are super excited. We also would take this opportunity to thank our readers, for sending ransomware samples requested by them to test our prototype.

For curious souls who want extensive information on this, please find the complete slides here.

Archana Sangili, Content Writer

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Tearing Down the Wall

Thursday, October 1st, 2015


In all likelihood, the ransom note above is possibly what an already overworked IT technician of a corporate network is staring at at this moment. In addition to their woes, IT administrators are now burdened with the task of dealing with Cryptowall; a troublesome breed of malware which until now restricted itself to infecting mostly home users.

With gigabytes of confidential data available on network storage devices & tormented users willing to do whatever it takes to retrieve the company’s data back, life has never been easier for Cryptowall authors. Needless to say, it is only a matter of time before things take a turn for the worse.

To enlighten our users, we have already dissected the infection vector of this category of malware, discussed the possibility of retrieving the original files, advocated that paying the ransom is a bad idea and advised that prevention is better than cure, through blog entries available here and here.

To assist our customers, researchers at K7 Threat Control Lab have come up with reinforcements in this fight against Cryptowall. We have developed a heuristic anti-ransomware prototype which will allow monitoring, identifying and eliminating this menacing enemy based on run-time behaviour.

Samir Mody and Gregory Panakkal from K7 TCL will be discussing this prototype & presenting their paper titled “Dead and buried in their crypts: defeating modern ransom-ware“ tomorrow, the 2nd of October 2015 at the Virus Bulletin International security conference held at Prague.

We hope to see you all there !!

Lokesh Kumar
K7 TCL Systems Manager

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