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Enhanced KIVARS Malware Now Attacks 64-bit Systems

By Eduard Kovacs on July 03, 2014

 

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Enhanced KIVARS Malware Now Attacks 64-bit Systems

By Eduard Kovacs on July 03, 2014 Tweet

More and more pieces of malware have become capable of targeting users running 64-bit versions of operating systems.

One of them is KIVARS, a piece of malware whose 64-bit version was recently analyzed by researchers from Trend Micro. According to the security firm, the Trojan is distributed with the aid of TROJ_FAKEWORD.A, a dropper that's designed to drop two executable files and a Microsoft Word document on infected systems.

In the 32-bit version, the executable files are copied into the "windows system" folder with the names iprips.dll, which is detected by Trend Micro as TROJ_KIVARSLDR, and winbs2.dll, detected as BKDR_KIVARS. The latest versions of KIVARS, which can target both 32-bit and 64-bit systems, drop these components in the same folder, but under a random name, with the backdoor file having either a .tib or a .dat extension.

The dropper uses the right-to-left override (RLO) technique and a genuine Microsoft Word icon to make it look like the document file, which is password protected and acts as a decoy, is genuine, Trend said. These techniques have also been used in a campaign targeted at government agencies in Taiwan, which Trend Micro recently analyzed

 

 

SecurityWeek/ Full Read Hehttp://www.securityweek.com/enhanced-kivars-malware-now-attacks-64-bit-systemsre/

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Re: Enhanced KIVARS Malware Now Attacks 64-bit Systems

Good to see malware writers staying up with the latest technology Smiley Happy

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Re: Enhanced KIVARS Malware Now Attacks 64-bit Systems

Actually, they are a bit behind the times as 64bit has been out for quite a while...LOL

       


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Re: Enhanced KIVARS Malware Now Attacks 64-bit Systems


Baldrick wrote:

Actually, they are a bit behind the times as 64bit has been out for quite a while...LOL


Yea how about 128bit malware? They should be ahead not catching up! LOL

 

Daniel Smiley Very Happy


 


Webroot® SecureAnywhere™ Internet Security Complete Beta Tester v9.0.12.52 on my main system Alienware 17R2 with Windows 10 Enterprise x64 Version 1607 (Build 14393.187) & HTC One M8 Android 6.0 Marshmallow with WSA Mobile Complete v3.7.1.7660 which is full Cloud now as well!


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Posts: 7,210
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Registered: ‎12-16-2013

Re: Enhanced KIVARS Malware Now Attacks 64-bit Systems

My malware goes to 11 bits!

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Re: Enhanced KIVARS Malware Now Attacks 64-bit Systems

  Bits eater also cookies. LOL

 

Daniel Smiley Very Happy


 


Webroot® SecureAnywhere™ Internet Security Complete Beta Tester v9.0.12.52 on my main system Alienware 17R2 with Windows 10 Enterprise x64 Version 1607 (Build 14393.187) & HTC One M8 Android 6.0 Marshmallow with WSA Mobile Complete v3.7.1.7660 which is full Cloud now as well!


 Microsoft® Windows Insider MVP - Windows Security