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brastk (brastk.exe) Remover

   
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Information

A malicious backdoor trojan that runs in the background and allows remote access to the compromised system.

File
  • <System>\brastk.exe
  • <System>\delself.bat
  • <System>\dllcache\beep.sys
  • <System>\dllcache\figaro.sys

 

Registry
  • Created Registry Values:
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]
      • 1208 = 0x00000000
      • 2500 = 0x00000003
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]
      • 1208 = 0x00000000
      • 2500 = 0x00000003
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]
      • 1208 = 0x00000000
      • 2500 = 0x00000003
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
      • 1208 = 0x00000000
      • 2500 = 0x00000003
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]
      • 1208 = 0x00000000
      • 2500 = 0x00000003
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
      • brastk = "%System%\brastk.exe"

    • [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
      • Enable Browser Extensions = "yes"
      • Search Bar = "http://www.google.com/ie"
    • [HKEY_CURRENT_USER\Software\Microsoft\Security Center]
      • AntiVirusDisableNotify = 0x00000001
      • FirewallDisableNotify = 0x00000001
      • UpdatesDisableNotify = 0x00000001

    • [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
      • brastk = "%System%\brastk.exe"
  • Registry Values were modified:
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main]
      • Default_Search_URL = "http://www.google.com/ie"
      • Search Page = "http://www.google.com"
      • Start Page = "http://www.google.com"
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Search]
      • SearchAssistant = "http://www.google.com"
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]
      • 1201 = 0x00000000
      • 1804 = 0x00000001
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]
      • 1201 = 0x00000000
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]
      • 1201 = 0x00000000
      • 1804 = 0x00000001
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
      • 1201 = 0x00000000
    • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]
      • 1200 = 0x00000000
      • 1201 = 0x00000000
      • 1608 = 0x00000000
      • 1804 = 0x00000001
    • [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
      • Start Page = "http://www.google.com"
      • Search Page = "http://www.google.com"

 

ATTENTION
Once the virus installed on your computer, it will connect to http://do-scan-progress.com/?wmid=1058&l=33&it=2&s=1 and tries to download a file named wini10581.exe , puts it in the Windows directory and installs an application called XP AntiSpyware 2008 (or 2009) or XP AntiVirus 2008 or 2009.
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