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Worm:Win32/Kyga.A

First posted on 22 July 2014.
Source: Microsoft

Aliases :

There are no other names known for Worm:Win32/Kyga.A.

Explanation :

Threat behavior

Installation

Worm:Win32/Kyga.A creates files on your PC using variable file names, for example:

• c:\documents and settings\administrator\local settings\temp\aut13.tmp

The malware creates the following files on your PC:

• c:\malwar~1.exe
• c:\documents and settings\administrator\x78r96km.fy9

Spreads via€¦

Network drives

Worm:Win32/Kyga.A can create the following files on targeted drives:

• :\malwar~1.exe

It also creates an autorun.inf file in the root folder of the removable drive. The file has instructions to launch the malware automatically when the removable drive is connected to a PC with the Autorun feature turned on.
This is a common way for malware to spread. However, autorun.inf files on their own are not necessarily a sign of infection; they are also used by legitimate programs.
This malware description was produced and published using automated analysis of file SHA1 13b7bdbea27dc411b3c210c4121d1f8705a44b1b.Symptoms

System changes

The following could indicate that you have this threat on your PC:

• You have these files:
  
  c:\malwar~1.exe
  c:\documents and settings\administrator\x78r96km.fy9
  c:\documents and settings\administrator\local settings\temp\aut13.tmp

Last update 22 July 2014

 

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