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Virus:TR/Fake.Rean.305
Date discovered:22/03/2011
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:339.968 Bytes
MD5 checksum:94F526B3A5D142417B23DAA9BED86CBC
VDF version:7.10.09.239
IVDF version:7.11.05.21 - Tuesday, March 22, 2011

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  TrendMicro: TROJ_FAKEAV.SMIN
   •  Sophos: Mal/FakeAV-JR
     Microsoft: Rogue:Win32/FakeRean


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


Side effects:
   • Blocks access to security websites
   • Drops files
   • Lowers security settings
   • Registry modification


Right after execution the following information is displayed:




 Files It copies itself to the following location:
   • %HOME%\Local Settings\Application Data\%random character string%.exe



It deletes the initially executed copy of itself.



The following files are created:

%TEMPDIR%\7370jh63o4m2k83g6lx7uq5358viy257
%ALLUSERSPROFILE%\Application Data\7370jh63o4m2k83g6lx7uq5358viy257
%HOME%\Local Settings\Application Data\7370jh63o4m2k83g6lx7uq5358viy257
%TEMPDIR%\7370jh63o4m2k83g6lx7uq5358viy257
%HOME%\Templates\7370jh63o4m2k83g6lx7uq5358viy257

 Registry The following registry keys are added:

[HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile]
   • "DoNotAllowExceptions"=dword:00000000
   • "EnableFirewall"=dword:00000000
   • "DisableNotifications"=dword:00000001

[HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\
   FirewallPolicy\DomainProfile]
   • "EnableFirewall"=dword:00000000
   • "DoNotAllowExceptions"=dword:00000000
   • "DisableNotifications"=dword:00000001

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "ctfmon.exe"="%SYSDIR%\ctfmon.exe"

[HKCR\.exe\shell\open\command]
   • "(Default)"="\"%HOME%\Local Settings\Application Data\\%random character string%.exe\" -a \"%1\" %*"
   • "IsolatedCommand"="\"%1\" %*"

[HKCR\exefile\shell\open\command]
   • "(Default)"="\"%HOME%\Local Settings\Application Data\\%random character string%.exe\" -a \"%1\" %*"
   • "IsolatedCommand"="\"%1\" %*"

[HKCR\exefile\shell\runas\command]
   • "(Default)"="\"%1\" %*"
   • "IsolatedCommand"="\"%1\" %*"

[HKLM\SOFTWARE\Clients\StartMenuInternet\IEXPLORE.EXE\shell\open\
   command]
   • "(Default)"="\"%HOME%\Local Settings\Application Data\\%random character string%.exe\" -a \"%PROGRAM FILES%\Intern"



The following registry key is changed:

[HKLM\SOFTWARE\Microsoft\Security Center]
   New value:
   • "AntiVirusDisableNotify"=dword:00000001
   • "FirewallDisableNotify"=dword:00000001
   • "FirewallOverride"=dword:00000001
   • "UpdatesDisableNotify"=dword:00000001
   • "AntiVirusOverride"=dword:00000001

 Injection It injects itself as a remote thread into a process.

    Process name:
   • iexplore.exe


 Miscellaneous Accesses internet resources:
   • **********yziriryvi.com/1003004112;
      **********ipemura.com/1003004112;
      **********awekugygil.com/1003004112;
      **********ifyzadiby.com/1003004112;
      **********ijinymut.com/1003004112;
      **********uwemixonav.com/1003004112;
      **********exynogemi.com/1003004112;
      **********elaticik.com/1003004112;
      **********inolecowary.com/1003004112;
      **********ofociv.com/1003004112;
      **********ucerybaqecy.com/1003004112;
      **********upowibi.com/1003004112;
      **********ujykolenuja.com/1003004112;
      **********exyhun.com/1003004112;
      **********oralipijago.com/1003004112;
      **********ykacagatet.com/1003004112;
      **********ulipum.com/1003004112;
      **********isesyf.com/1003004112;
      **********ityvik.com/1003004112;
      **********ejutyhyfu.com/1003004112;
      **********usaseda.com/1003004112;
      **********ehiqino.com/1003004112;
      **********idicawisos.com/1003004112;
      **********ibipaj.com/1003004112;
      **********ixydyf.com/1003004112;
      **********unemymyko.com/1003004112;
      **********upinycom.com/1003004112;
      **********ygizeq.com/1003004112;
      **********emolezala.com/1003004112;
      **********ecolun.com/1003004112

说明添加者: Andrei Ilie 打开 2011年8月16日星期二
说明更新者: Andrei Ilie 打开 2011年8月16日星期二

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