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Win32.HLLW.Autoruner1.23903

Added to the Dr.Web virus database: 2012-07-27

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '1' = '%TEMP%\win32.exe'
Malicious functions
Searches for registry branches where third party applications store passwords
  • [<HKCU>\Software\Yahoo\pager]
  • [<HKCU>\Software\Paltalk]
Reads files which store third party applications passwords
  • %LOCALAPPDATA%\google\chrome\user data\default\login data
Modifies file system
Creates the following files
  • %TEMP%\win32.exe
  • %LOCALAPPDATA%\microsoft\windows\history\history.ie5\mshist012020061720200618\index.dat
Network activity
TCP
HTTP GET requests
  • http://bo#####e.hack-free.net/index.php?ac##################################################
  • http://bo#####e.hack-free.net/index.php?ac#########################################################################################################
  • http://ww##.###doire.hack-free.net/index.php?ac##################################################
  • http://ww##.###doire.hack-free.net/index.php?ac#########################################################################################################
  • http://ww##.###doire.hack-free.net/px.gif?ch#######################
  • http://www.google.com/adsense/domains/caf.js
UDP
  • DNS ASK bo#####e.hack-free.net
  • DNS ASK ww##.###doire.hack-free.net
  • DNS ASK google.com
Miscellaneous
Searches for the following windows
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebCheckMonitor' WindowName: ''
Creates and executes the following
  • '%TEMP%\win32.exe'

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