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Added to the Dr.Web virus database: 2011-10-06

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Msn Messsenger' = '<SYSTEM32>\regsvr.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe regsvr.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe '
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\regsvr.exe
  • <Drive name for removable media>:\New Folder .exe
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Registry Editor (RegEdit)
Executes the following:
  • <SYSTEM32>\at.exe 09:00 /interactive /EVERY:m,t,w,th,f,s,su <SYSTEM32>\svchost .exe
  • <SYSTEM32>\at.exe /delete /yes
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NofolderOptions' = '00000000'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\setting[1].doc
  • <SYSTEM32>\setup.ini
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\setting[1].doc
  • <SYSTEM32>\setting.ini
  • <SYSTEM32>\regsvr.exe
  • %TEMP%\aut1.tmp
  • <SYSTEM32>\svchost .exe
  • %WINDIR%\regsvr.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\setting.ini
  • <Drive name for removable media>:\autorun.inf
  • <SYSTEM32>\setup.ini
  • <SYSTEM32>\regsvr.exe
  • <SYSTEM32>\svchost .exe
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\setting[1].doc
  • %TEMP%\aut1.tmp
Network activity:
Connects to:
  • '67.##5.160.76':80
HTTP GET requests:
  • 67.##5.160.76/setting.doc
  • '<Private IP address>':1033
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
The Russian developer of Dr.Web anti-viruses
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Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.

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