Virus:TR/Agent.KD.28072
Date discovered:24/08/2010
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:45.056 Bytes
MD5 checksum:be928a531d44002d08f5970702a62163
IVDF version:7.10.11.01 - Monday, August 23, 2010

 General Method of propagation:
   • Autorun feature


Aliases:
   •  Symantec: W32.Pilleuz
   •  Mcafee: Artemis!BE928A531D44
   •  Kaspersky: Worm.Win32.Joleee.fee
   •  Microsoft: Trojan:Win32/Meredrop
   •  PCTools: Malware.Pilleuz
   •  Eset: Win32/Injector.CSP
   •  Sunbelt: Trojan.Win32.Meredrop
   •  AhnLab: Win32/Autorun.worm.45056.N
   •  Authentium: W32/Trojan2.NDBD
   •  DrWeb: Trojan.DownLoader1.18349
   •  Ikarus: Trojan.SuspectCRC


Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Drops a file
   • Drops a malicious file
   • Lowers security settings
   • Registry modification

 Files It copies itself to the following location:
   • %system drive%\RECYCLER\S-1-5-21-0243936033-3052116371-381863308-1811\%random character string%.exe



The following file is created:

– %system drive%\RECYCLER\S-1-5-21-0243936033-3052116371-381863308-1811\desktop.ini This is a non malicious text file that contains information about the program itself.

 Registry One of the following values is added in order to run the process after reboot:

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "%random character string%"="%system drive%\RECYCLER\S-1-5-21-0243936033-3052116371-381863308-1811\%random character string%.exe"

 File details Programming language:
 The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Carlos Valero Llabata on Tuesday, August 24, 2010
Description updated by Carlos Valero Llabata on Tuesday, August 24, 2010

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