January 14, 2011

WORM_CORONEX.A

This is a worm that comes as an email with an attachment with a names sars.exe, Virus.exe, Corona.exe, death.exe, CV.exe from the emails sars2@hotmail.com, corona@hotmail.com.It is a very dangerous and spreads very fast when executed and slows down the PC.

Effects:
It does the following things when executed:

  • Changes the home page to http://www.who.int/csr/don/2003_04_19/en/ 
  • Drops its file CORONA.exe in windows folder 
  • Adds itself to the registry key HKLM\Software\Microsoft\Windows\Current Version\Run "PC-Config32" = "C:\corona.exe -A" 
  • Drops a file in C:\My Download or in the current directory where it is executed.
  • The corrupted file is filled with useless data that occupies unwanted space on the hard disk which goes up to Certain GB's.
It drops itself as any of the following

  • Age Of Mythology.exe
  • Battlefield 1942 (full).exe
  • Black Hawk Down (full).exe
  • Doom 3.exe
  • Grand Theft Auto 3 (full).exe
  • Medel Of Honor: Allied Assault.exe
  • Quake 3 Full Version.exe
  • Rainbow 6 Full.exe
  • Return to Castle Wolfenstien (Full).exe
  • Starcraft full.exe
  • The Lord of the Rings.exe
  • The Sims: Unleashed.exe
  • Unreal 2: The Awakening (full).exe
  • Warcraft III Full.exe 
  •  It checks this registry key to obtain list of addresses HKEY_CURRENT_USER\Software\Microsoft\WAB\WAB4\Wab File Name 
  • Initiates its own SMTP engine to send emails with any of the names Corona.exe, hongkong.exe, Virus.exe, Sars.exe, Deaths.exe from senders virus2@china.com
  • It also modifies the home page as http://www.who.int/csr/don/2003_04_19/en/ which is a site on SARS 

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