Virus:TR/Spy.Agent.144896
Date discovered:28/07/2010
Type:Trojan
In the wild:Yes
Reported Infections:High
Distribution Potential:Medium
Damage Potential:Medium to high
Static file:Yes
File size:144.896 Bytes
MD5 checksum:d3de1f75b8151c284ab04819994c0Dc9
IVDF version:7.10.09.249 - Wednesday, July 28, 2010

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Symantec: Downloader.MisleadApp
   •  Kaspersky: Trojan.Win32.FraudPack.bcet
   •  TrendMicro: TROJ_FAKEAV.SMXG
   •  F-Secure: Trojan:W32/Cosmu.Z
   •  Sophos: Mal/Behav-321
   •  Bitdefender: Trojan.Downloader.FakeAlert.FN
   •  Microsoft: TrojanDownloader:Win32/FakeRean
   •  AVG: Crypt.YBS
   •  Panda: Adware/DesktopSecurity2010
   •  PCTools: Downloader.MisleadApp
   •  VirusBuster: Trojan.Bredolab.DDF
   •  Eset: Win32/TrojanDownloader.FakeAlert.BAT
   •  GData: Trojan.Downloader.FakeAlert.FN
   •  AhnLab: Win-Trojan/Fakeav.144896.G
   •  Authentium: W32/Trojan3.BWP
   •  DrWeb: Trojan.DownLoad1.64194
   •  Fortinet: W32/Agent.AEB5!tr.dldr
   •  Ikarus: Trojan.Win32.FakeAV


Platforms / OS:
   • Windows 98
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows 7


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

 Files It copies itself to the following locations:
   • %PROGRAM FILES%\MSN\MSNCoreFiles\Setup\MSNUNINCommunications.exe
   • %PROGRAM FILES%\Common Files\Java\Update\Base Images\jre1.5.0.b64\patch-jre1.5.0_11.b03\PlatformEdition.exe
   • %PROGRAM FILES%\Windows Media Player\MicrosoftRPlayer9.00.00.3250.exe
   • %PROGRAM FILES%\MSN\MSNCoreFiles\msnmetalupdate.exe
   • %PROGRAM FILES%\Common Files\Microsoft Shared\DAO\MicrosoftMicrosoft.ex
   • %PROGRAM FILES%\Common Files\Microsoft Shared\DW\1036\ApplicationReporting.exe



The following files are created:

– Temporary files that might be deleted afterwards:
   • %TEMPDIR%\qas1.tmp
   • %TEMPDIR%\qas2.tmp
   • %TEMPDIR%\qas3.tmp
   • %TEMPDIR%\qas4.tmp
   • %TEMPDIR%\qas5.tmp

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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "%executed file%"="%malware execution directory%\%executed file%"
   • "KernelFaultCheck"="%systemroot%\system32\dumprep 0 -k"
   • "MicrosoftMicrosoft"="%PROGRAM FILES%\Common Files\Microsoft Shared\DAO\MicrosoftMicrosoft.exe"



The following registry keys are added:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
   • "%executed file%"="%malware execution directory%\%executed file%"
   • "UpdateRegUtils"="%PROGRAM FILES%\Common Files\Java\Update\Base Images\jre1.5.0.b64\patch-jre1.5.0_11.b03\PlatformEdition.exe"

– [HKLM\SOFTWARE\Microsoft\MediaPlayer\Setup\Files]
   • "1"=%hex values%
   • "2"=%hex values%
   • "3"=%hex values%
   • "4"=%hex values%

Description inserted by Carlos Valero Llabata on Thursday, August 12, 2010
Description updated by Carlos Valero Llabata on Thursday, August 12, 2010

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