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Trojan:Win32/CoinMiner.AJ

First posted on 29 October 2014.
Source: Microsoft

Aliases :

There are no other names known for Trojan:Win32/CoinMiner.AJ.

Explanation :

Threat behavior

Installation

Trojan:Win32/CoinMiner.AJ creates the following files on your PC:

• c:\documents and settings\administrator\application data\adobe\flash player\cache\idmcache.bat
• c:\documents and settings\administrator\application data\adobe\flash player\cache\idmcache.vbs
• c:\documents and settings\administrator\application data\adobe\flash player\cache\idmgrhlp.exe - detected as Trojan:Win32/CoinMiner.AJ
• c:\documents and settings\administrator\application data\adobe\flash player\cache\libcurl.dll
• c:\documents and settings\administrator\application data\adobe\flash player\cache\pthreadgc2.dll
• c:\documents and settings\administrator\application data\adobe\flash player\cache\zlib1.dll

Payload

Contacts remote host

Trojan:Win32/CoinMiner.AJ might contact a remote host at cdn.cloudservice.su using port 9327. Commonly, malware does this to:

• Report a new infection to its author
• Receive configuration or other data
• Download and run files, including updates or other malware
• Receive instructions from a remote hacker
• Upload data taken from your PC

This malware description was produced and published using automated analysis of file SHA1 026f7c35fcc6baa7cf3051fde729dec60bb4b500.Symptoms

System changes

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

• You have these files:
  
  c:\documents and settings\administrator\application data\adobe\flash player\cache\idmcache.bat
  c:\documents and settings\administrator\application data\adobe\flash player\cache\idmcache.vbs
  c:\documents and settings\administrator\application data\adobe\flash player\cache\idmgrhlp.exe
  c:\documents and settings\administrator\application data\adobe\flash player\cache\libcurl.dll
  c:\documents and settings\administrator\application data\adobe\flash player\cache\pthreadgc2.dll
  c:\documents and settings\administrator\application data\adobe\flash player\cache\zlib1.dll

Last update 29 October 2014

 

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