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Trojan.Click2.36397

Added to the Dr.Web virus database: 2012-10-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe] 'Debugger' = '0'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Printspooler' = '%PROGRAM_FILES%\spooler.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft appswitch' = '<SYSTEM32>\jwt32.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe] 'Debugger' = '0'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%PROGRAM_FILES%\spoolsvt.exe' = '%PROGRAM_FILES%\spoolsvt.exe:*:Enabled:Print Spooler'
Creates and executes the following:
  • %PROGRAM_FILES%\spoolsvt.exe
Executes the following:
  • %PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE http://www.un####sal101.com/ptt.php
Modifies settings of Windows Internet Explorer:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'Flags' = '00000020'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1001' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1004' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2200' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2300' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2301' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1200' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1209' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '120A' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1400' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1201' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1206' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1208' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A02' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A03' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A05' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1805' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1809' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '180A' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A06' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2102' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2104' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2105' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2000' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2101' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1A10' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2000' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2101' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1A03' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1A05' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1A06' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2102' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2300' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2301' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] 'Flags' = '00000020'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2104' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2105' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '2200' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1407' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1605' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1607' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1402' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1405' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1406' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1608' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1809' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '180A' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1A02' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1609' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1804' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0] '1805' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1804' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1609' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1804' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1805' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1605' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1607' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1608' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1809' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1A05' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1A06' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1A10' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '180A' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1A02' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1A03' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1201' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1206' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1208' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1001' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1004' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1200' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1209' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1405' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1406' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1407' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '120A' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1400' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '1402' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '120A' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1402' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1206' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1208' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1209' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1405' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1607' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1608' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1609' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1406' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1407' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1605' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2104' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2105' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2200' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2000' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2101' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2102' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2300' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1004' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1200' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1201' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2301' = '00000000'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] 'Flags' = '00000020'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1001' = '00000000'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ptt[1].php
  • %PROGRAM_FILES%\spoolsvt.exe
  • <SYSTEM32>\jwt32.exe
Network activity:
Connects to:
  • 'www.un####sal101.com':80
  • 'localhost':1038
TCP:
HTTP GET requests:
  • www.un####sal101.com/ptt.php
UDP:
  • DNS ASK www.un####sal101.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''

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