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Added to the Dr.Web virus database: 2016-10-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '%APPDATA%\Microsoft\wintask.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '%APPDATA%\Microsoft\taskhost.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '<Full path to file>'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = '%HOMEPATH%\Start Menu\Programswintask.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\wintask.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\taskhost.exe
Creates the following files on removable media:
  • <Drive name for removable media>:\USBDriver.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
Executes the following:
  • '%APPDATA%\Microsoft\taskhost.exe'
  • '%APPDATA%\Microsoft\wintask.exe'
  • '%HOMEPATH%\Start Menu\Programswintask.exe'
Modifies file system:
Creates the following files:
  • <LS_APPDATA>\taskhost\taskhost.exe_Url_iji2fttt51ivkyon5eobhx02e34fonxv\\r8mtuf4u.newcfg
  • %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\U98D4X8H\gate[1].php
  • %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\U98D4X8H\gate[2].php
  • %APPDATA%\Microsoft\wintask.exe
  • <LS_APPDATA>\taskhost\<File name>.exe_Url_hqhyc0ccon4alkgxc4ifkamnb3wj00nb\\-2m_2dd_.newcfg
  • %HOMEPATH%\Start Menu\Programswintask.exe
  • %APPDATA%\Microsoft\taskhost.exe
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\Microsoft\wintask.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\taskhost.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\wintask.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\USBDriver.exe
  • %APPDATA%\Microsoft\taskhost.exe
Deletes the following files:
  • <Drive name for removable media>:\autorun.inf
Moves the following files:
  • from <LS_APPDATA>\taskhost\taskhost.exe_Url_iji2fttt51ivkyon5eobhx02e34fonxv\\r8mtuf4u.newcfg to <LS_APPDATA>\taskhost\taskhost.exe_Url_iji2fttt51ivkyon5eobhx02e34fonxv\\user.config
  • from <LS_APPDATA>\taskhost\<File name>.exe_Url_hqhyc0ccon4alkgxc4ifkamnb3wj00nb\\-2m_2dd_.newcfg to <LS_APPDATA>\taskhost\<File name>.exe_Url_hqhyc0ccon4alkgxc4ifkamnb3wj00nb\\user.config
Network activity:
Connects to:
  • 'localhost':1044
  • '':80
  • 'localhost':1040
HTTP GET requests:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
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