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Added to the Dr.Web virus database: 2014-05-12

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe csrcs.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'csrcs' = '<SYSTEM32>\csrcs.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • '<SYSTEM32>\csrcs.exe'
Executes the following:
  • '<SYSTEM32>\ping.exe' -n 5 -w 250
  • '<SYSTEM32>\cmd.exe' /c %TEMP%\suicide.bat
Modifies file system :
Creates the following files:
  • %TEMP%\suicide.bat
  • %TEMP%\aut2.tmp
  • %TEMP%\mogwovq
  • %TEMP%\aut1.tmp
  • %TEMP%\qwxcgtl
  • <SYSTEM32>\csrcs.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\csrcs.exe
Deletes the following files:
  • %TEMP%\aut2.tmp
  • %TEMP%\mogwovq
  • %TEMP%\aut1.tmp
  • %TEMP%\qwxcgtl
Deletes itself.